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        ESS-PRO ESS-PRO Engine Sound Simulation
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1.   throttle signal output  output to ESC  4  Ground 5 power 6  throttle signal    outpute    Detailed definition of Header2       No  of headere   Function descriptione    Receiver AUX input  1  Ground 2 power 3  AUX signal inpute    LSW E switch output 4  Ground 5  E switch output  under control  6  no  definitione    Detailed definition of Header3       No  of headere   Function descriptione    Speaker output of the right sound channel  1  positive pole 2  negative polee             1 2  AMP power input  4  amplifier ground 5  amplifier powere  Speaker output of the left sound channel  1  positive pole 2  negative polee    e ESS PRO needs two kinds of power supply in operation  logic circuit power supply and AMP power supply     e Supply voltage range of the logic circuit is between 4 8V  usually coming from ESC   s BEC with approximately    100mA current    e AMP power comes from battery  usually within the range of 5 26V with a peak current of 3A     www sensehobby com 4    R C SENSE    Innovations    Attentions    ESS PRO needs two kinds of power supply in operation  The AMP power supply can directly use the battery   while the ESS PRO logic circuit power supply comes from the BEC output of the ESC     LSW output in essence is an E switch controlled by the AUX channel  The output voltage of the E switch matches    the BEC of the ESC PRO  The E switch can withstand a voltage range of 4 8V and a maximum current of 3A     When LSW output is used for driving the LED  please a
2.   you may    kindly register a membership on the RC PLUS platform     Get RC PLUS software for free   e Applicable to Windows 8 7 Vista systems Microsoft has stopped updating XP system so we cannot guarantee its normal  usage in XP systems    e The software has undergone strict test and does not have any attached ads  Besides  it does not threat privacy safety in  any manner  But the launch of new software may trigger false alarms in some anti virus software  We have submitted the  sample of the software to major manufacturers of anti virus software for review    e Download RCPlus  http   www sensehobby com rcplus install   e MSI installation package  http   download sensehobby com rcplus_1_2_1_x86 zip    Online installation of RC PLUS SENSE  F      When you have bought an ESS product  you can directly install RC Plus through the product  eee een  e Connect the ESS PRO through a USB cable to a PC  then the PC will automatically identify a disk driver  Enter into the  disk       Double click the icon of     3RCPlus     install RCPlus  and the PC will automatically download and install the software       Meanwhile you could verify relevant information of the ESS product you bought through QR code scanning by your    mobile phone        eon   Summary Configuration Local Resources    Home VEHICLE Vehicle ESS Pro   Firmware Version  v1 6 0    Products Ss Model  Vehicle ESS Pro  E  TS SERE  Video    a Guid  7b509b258b66e816556017df Your firmware is up to date v1 6 0    Po    Space 
3.  4 0 MB  2 1 MB Free  Resources f o Jpgrade Restore    Upgrade From File     Vehicle ESS Pro 4    Installed Resources     Sense Standard 01  Change    Original Brake    v1 2 1 Beta ADV     www sensehobby com 6    R C SENSE    Innovations    Function Description of RC PLUS    Product information and firmware updating     ESS has a standard USB interface which can communicate with the RC Plus  When you insert the ESS PRO into a PC   RC Plus will run and connect the device automatically  You could change the name of your device through RC Plus to  give it a neat nickname  Meanwhile  you can also get your device and current engine sound information through RC Plus  and preview the sound  We adopted open design so we would keep updating the firmware of the ESS and present you    with the latest version which may include the increasing of new functions  repairing of bugs and more optimized    calculation method of sound to constantly increase the value of your ESS PRO     Give ESS a neat nickname    SENSE INNOVATIONS    Firmware updating    Firmware Version  v1 6 0    Your firmware Is u p to datel v1 6 0      Vehicle ESS Pro    Model Vehicle ESS Pro       www sensehobby com    R C SENSE    Innovations    Video sharing    RC PLUS will constantly update various application videos of ESS  Meanwhile  we are expecting you to share  your videos when you use our products with other fans     Resource download    Resource download section provides various sounds resources of vehicles and ai
4.  function configuration and firmware upgrading    e Upon connection of the ESS PRO with PC  the operation system will identify a removable disk through a link in which  RC PLUS installation can be realized      When the ESS PRO is in USB mode  it only exchanges data with PC and will not send audio signals to the amplifier    circuit and the latter will not work     Calibrate ESS PRO  e Enter Calibration mode  Press  amp  hold the ENTER 4   1S  LED1 4 on  after   DI      sound  release the button  ESS PRO    enters the    Setup mode      e Neutral Calibration   LED 1 on  make sure the TH at Neutral  Click the ENTER     after    DI   sound  the neutral calibration    finishes   e Forward TH calibration  LED1 2 on  Pull the TH stick to max forward position  click the ENTER     after   DI   sound     forward TH calibration finishes   e Backward TH calibration  LED1 3 on  Push the TH stick to max backward position  click the ENTER     after    DI   sound     the backward TH calibration finishes     e After the steps above  LED1 4 flash in order  after  DI      calibration is completed  Calibration mode exit automatically     e With only LED1 on and  Di  DI  DI  sound  the calibration fails  It returns to the neutral calibration to re calibration     e In process  you can quit the calibration mode by pressing CANCEL      with  DI           and three Red flashes     Remarks  after the device is powered on  the CANCEL button and ENTER button will be used for volume adjustment     Whe
5.  not deemed as being included in an ESS PRO     Declaration and warning    ESS PRO is an engine sound simulation system with high integration level and performance with highly powered  built in audio amplifier to suit speakers of different powers  Therefore  please use speakers from or recommended by  original manufacturer to work together with ESS PRO to caution against overheating and burning of amplifier because of  unsuitable speakers  Follow the manufacturer   s requirement to set up volume strictly to control the power output of the  amplifier  as the speaker might be damaged by high volume under high voltage  Choose as low voltage as permitted by  the equipment to control the heating of the amplifier  and place ESS PRO in an environment with good ventilation and  heat dissipation  Speakers are consumables so users should choose proper volume level to match the speakers    Engine sound simulation system is equipped with RC PLUS  a software platform for product configuration  video  playing and changing engine sound  This software provides better application services to users but does not constitute a  part that must be included in ESS product sales  Except the configuration function in RC PLUS  services unavailable  through RC PLUS out of some reasons do not constitute a product defect     Ningbo Sense Innovations Electronic Technology Co   Ltd  owns the final interpretation right of uncovered contents  in this user manual     www sensehobby com l    Uh Plus    Attentio
6. Products VEHICLE    Video E ADDITIONAL FUNCTION  t kK Configurate the AUX channel     Resources      We  BATTERY  Vehicle ESS Pro 4 L a3    Battery Type  Low voltage alarm     SPEAKER    Select the sound box model     USB    Connect to RC         Engine configuration  Braking function    The braking function of ESS is mainly meant to match the ESC brake  When ESC sets up brake function  ESS   PRO will also be able to play braking sound  Meanwhile  it can also lock down the sound under braking state to match  the forward or backward brake of ESC  This function currently provides two types of brakes  only forward brake and bi   directional brake   Location  Configuration  gt ENGINE  gt Brake    e Brake function closed      Engine  e Brake function started j  e Bi directional brake mode       Forward only brake mode Brake  aC On Forward Only    Click the    save    button on the upper right corner after selection is completed        Automatic start stop  ECO     Automatic start stop means that when you start your sound system  if the current state maintains a neutral throttle   the vehicle will keep motionless and the engine sound will be in idle state  If the automatic start stop system is  activated  the sound system will automatically play the sound of engine turning off after the delayed time you set up   and the engine will be re started as long as you trigger the throttle again  You can also choose to shut the automatic  start stop down  then no matter in what state  as lo
7. R C SENSE    Innovations    ESS  P RO ESS PRO Engine Sound Simulation    User Manual for Vehicle Model V1 0    Product Introduction    ESS PRO is a high performance vehicle engine sound simulation system with strong sound mixing unit  efficient high   power amplifier and a loudspeaker of optimized acoustic design  presenting perfect and realistic simulation effect     Http   www sensehobby com  Product Specification Main Functions    e 30W double channel Power Amplifier    Capable of simulating the sound of engine start  different  throttle speed  turning off  braking  turbo  overload and  special effects  users may need to purchase some sounds  before usage      e Supply voltage range of amplifier  5 Volts 25 Volts  e Speaker impedance  4 8Ohm   e 30W  8 Ohm  output for each channel   e MIRCO USB interface      Size 53mm x 33mm x 15mm   e Weight  ESS PRO 18g  S1510 loudspeaker  65g     Output is short circuit  overload  over current and  thermally protected    e Engine sound replaceable   e ESS PRO firmware upgrading   e Battery type selection and low voltage alarm  e 9 srade adjustment of volume       Built in electronic switch and special sound effect of the  AUX channel    Default factory settings    Before delivery  a    sense standard    engine sound and standard braking sound that may differ in different batches were  downloaded into ESS PRO  For value added services such as other types of sounds  please see details in the resource  section on RC PLUS  Other sounds are
8. ation button          ENTER             e Use 3 Pin double head connecting wires to connect the throttle channel of the receiver and ESS PRO lt TH channel    respectively     e Insert the signal wire of the ESC to the ESS PRO TH gt  channel  The built in BEC of the ESC will supply power through  TH gt  channel to the ESS PRO and the receiver     e Power amplifier output provides two sound channels  the left one and the right one  Either channel can be chosen to    connect the speaker     e Use T plug amplifier power cord which is included in the package to get power from the battery to supply the  amplifier  DO NOT REVERSE the positive and negative pole of the power battery     Remarks   lt TH and TH gt  are essentially two plugs in complete parallel connection with the major purpose of connecting  three throttle signals of the receiver  ESS PRO and ESC  it serves as a Y line   Meanwhile  the power supply to the  ESS PRO and receiver both comes from the BEC of the ESC     Warning  make sure the signal lines of the receiver and the ESC are connected properly to the ESS PRO without    reverse insert  ESS PRO provides standard futaba anti reverse insert design  When using JR type plugs  make sure the    direction is correct     ESS header definition    Headerl    Header2    header3          Detailed definition of Headerl       No  of headere   Function descriptione     lt TH throttle signal input  from the receiver  1  Ground 2 power 3  throttle signal    inpute    4 5 6   TH gt
9. cess  remember to adjust your volume as per the speaker power and input voltage    of the amplifier  Too high volume may cause speaker damage which will not be categorized as product issues and    covered by warranty policies        Power output of amplifier and volume setting    e Firstly  identify the supply voltage of your amplifier  If it is higher than 12V  3S lithium battery   please use a  speaker with 8 ohm impedance  If you want to use a speaker of 4 ohm impedance  maintain the volume under level  4 and make sure heat dissipation will be well performed     e A 4ohm S1510 speaker is equipped for this product with the maximum power of 10W  Therefore  when the supply  voltage surpasses 12V  the maximum power output of the amplifier will surpass the highest power it can bear  so we  recommend that this speaker use 2S lithium battery for power supply  If you use the lithium battery higher than 3S   please firstly turn down the volume and increase step by step and go back one step when you feel the sound of the    speaker becomes unclear and distorted  By this time it is basically the highest power that can be applied on the    speaker and now you can have the best quality of sound which shall not be higher than Level 5     e Try not to maintain the speaker for a long time under the static state of the vehicle when the throttle speed is highest     because at this time the speaker will undertake the highest power and tends to be heated     Remarks  there are totally nine l
10. e battery with sufficient    lamp and twice for green lamps electtic quantity  1f necessary  Altemative flash of 3 times for red   Too high battery voltage   Cut of the amplifier power  lamp and twice for green lamps alarm       Batter status monitoring    ESS PRO can collect battery voltage and thus monitor and give alarm on the battery status   When the battery is not connected to the amplifier  a red LED and a green LED of the ESS PRO will alternatively    flash to mind the user    When the battery has a voltage higher than 26V  alternative flash of twice for green LED and 3 times for red LED  will give the alarm  Then the ESS PRO must immediately be cut off from the battery or else the former may be  damaged     ESS PRO has low voltage alarm function  Under default condition  this function is closed  the ESS PRO can be  connected with USB to the PC to configure the low voltage alarm function of RC PLUS  If the low voltage alarm  function is activated  the type and number of serial batteries and the threshold value of low voltage alarm shall be  selected in the configuration option  When ESS PRO is working and the output voltage of the battery falls below the  aforementioned threshold value  ESS PRO will give consecutive beeping sounds to give alarm and the LED will  alternatively flash of twice for red lamps and twice for green lamps     www sensehobby com l1    SENSE    Innovations    RC PLUS parameter configuration     amp   gt  Summary Configuration Local Resources    
11. e system has a default value to trigger low voltage alarm based on  current battery type and quantity  Users may adjust this default value upon actual needs    Amplifier supports a maximum voltage input of 26V  A higher input could cause damages  When the voltage used  surpasses 3S lithium battery  12V   please take care of the volume  Too high volume could damage the speaker    ESS has an inherent low voltage alarm function which  upon special filtering  could judge current voltage of the  battery accurately without triggering a false alarm out of frequent throttle changes     Location  Configuration  gt battery    Battery Type  LiPo W Battery Voltage must be between 5 26V     battery type selection  battery quantity selection Battery Cells  2  low voltage alarm off  low voltage alarm on    voltage value set up for low voltage Low voltage   alarm    Alarm Thresald        www sensehobby com 14    
12. e turbo sound  If you want it  you may obtain it from RC Plus   Meanwhile  the trigger of the turbo sound is subject to comprehensive calculation upon such multiple parameters as    rotation speed  pressuring time and throttle change before triggering  instead of being triggered simply upon one  location  Users could try to probe into the triggering process by triggering it more times        Additional functions  Additional functions contain extensive functions of the third channel  AUX  of the remote control  mainly  including   e The play of special sounds through signal control of the third channel of remote control  such as sirens  trumpets   etc   e Controlling on the E switch output of LSW channel can be realized through the signal of the third channel     Special Effect  You may purchase and download special sounds such as police whistle  ambulance sirens and trumpets  etc  from  the sound resource shops of RC PLUS  Then through RC PLUS configuration  triggering of these sounds through the  third channel  AUX  of remote control can be realized   Location  Configuration  gt Additional Function  gt Special Effect    e Special Effect off   e Special Effect on   e Third channel AUX trigger mode Special Effect   On   e Normal Open mode upon power  a    on PWM Direction   Forward    e PWM trigger direction through the  third channel   e PWM rigger threshold value  through the third channel     LA ih 4  al a  F y y i Y Gi We          www sensehobby com 13    R C SENSE    Inno
13. evels for volume adjustment  including Mute   In the adjustment process 4 LEDs    stand for 8 levels of volumes  The system has the default value of level 2 in factory setting  Use the Cancel    button    and Enter    button in the ESS PRO to adjust the volume        www sensehobby com 9    R C SENSE    Innovations    ESS PRO installation    Before using ESS PRO  secure it reliably onto your model and install the ESS PRO and speaker in a well ventilated  place as much as possible  If the high power output of the module could not guarantee good cooling  the overheating    protection function of the module will automatically stop the device from working until temperature drops to normal    value  The speaker is a heating element and long time of overheating will deform or even damage the diaphragm     Working mode of the ESS PRO    There are 3 working modes      Remote control calibration  in sound simulation mode  press ENTER    for more than one second to activate the  calibration mode    e Sound simulation mode  when the ESS PRO is powered on  the system will enter into sound simulation mode as  default    e USB mode  when the USB of ESS PRO connects the PC  the device will enter into USB mode  Then set up  sound  source changing and firmware upgrading of ESS PRO can be conducted through RC PLUS     USB functions    e ESS PRO connects with PC through USB and thus enters into USB mode  mutually exchanging data with the RC PLUS  in the PC to realize sound resource downloading 
14. n switching to the calibration mode upon long pressing ENTER  ENTER button will serve as the confirmation    button and the CANCEL button will mean cancellation        www sensehobby com 10    R C SENSE    Innovations    LEDs status in the ESS PRO  Under sound simulation mode  the LEDs in the ESS PRO mainly have three functions to display the engine speed     volume and abnormal states    Under default state  the LEDs display current speed of the engine  when adjusting the volume through a button  the  LEDs will display current level of the volume  If within 10 seconds upon the completion of volume set up there is not  further volume adjustment  LEDs will go back to display engine speed  when the ESS PRO has abnormal occurrence   the red LED and green LED will flash alternatively to warn the user  In this condition LEDs will not display engine    speed or volume until the abnormal occurrences are cleared off     Flashing mode Disposal   One red lamp one green lamp   No voltage exerted on the   Insert a battery into the   flash alternatively amplifier power interface of the amplifier  interface   Altemative flash of once for red   Abnormal engine sound   Download sound source again   lamp and twice for green lamps files through RC PLUS   Alternative flash of once for red   Abnormal configuration  Repair the configuration list   lamp and 3 times for green lamps list of ESS PRO automatically through RC  PLUS   Alternate flash of twice for red   Low battery voltage alarm   Replac
15. ng as the engine is started  the sound system will always keep playing  the engine sound    Location  Configuration  gt ENGINE  gt  ECO    e Automatic start stop off ECO  On    e Automatic start stop on  o Delayed time of engine flameout ECO Delay  a 5 Default       www sensehobby com 12    R C SENSE    Innovations    Overloading sound    Overloading sound refers to a special sound when the vehicle automatically controls the oil circuit to offer  intermittent oil supply to protect the engine when the throttle is in maximum position and the rotation speed range of  engine reaches the red line  This sound usually appears when the engine speed hits the limit under certain conditions  for  example  in drifting  You could start or shut down this function through option set up  and define a time interval after  which when the throttle is in maximum position the overload sound will be triggered    Location  Configuration  gt ENGINE  gt  overloading    e Overloading off Overloading   e Overloading on    e Overloading delay time Overloading Delay        Turbo sound    In terms of vehicle types  some of them are of turbo supercharging models and there will be a sound of turbo  decompressing  You could modify your vehicle by downloading various turbo sounds  Through RC PLUS you can start  or turn down the turbo sound    Location  Configuration  gt ENGINE  gt Turbo Effect    e Turbo Effect off   e Turbo Effect on  Turbo Effect Ss On       Remarks  in factory setting  ESS does not have th
16. ns    SENSE    Innovations    Install the device strictly according to the connection method and power supply requirement specified in this  user manual to make sure the installation is stable and reliable   S1510 speaker adopts highly magnetic trumpet  Keep items vulnerable to the affect of magnetic field away    during installation  such as watches     The interference of other items above the diaphragm of the speaker is strictly forbidden  Meanwhile  try    installing it in a place with good ventilation and heat dissipation   Turn the volume to a low level before powering on ESS PRO again after its adjustment and re installation to    caution against damage to the speaker by too high volume        Interface Description       1  Receiver TH input  2  TH output to ESC  3  Receiver AUX input  4  LSW E switch    5  1 4 LED indicator    m    Cancel     button    10     11     www sensehobby com    ph    Enter     button   Speaker output of right sound channel  Power input of amplifier   Speaker output of left sound channel    Micro USB    Ui Plus    Drawing of ESS Wiring       R C ea  AUX                                                       i battery 7       CANCEL       SENSE    Innovations    1   lt TH  Connect to RX TH             2  TH gt    Connect to ESC    3   lt AUX  Connect to RX AUX       4  LSW gt    Load  LED  E switch          5  Micro USB  battery                6 7  left right speaker output                         aa      8  AMP power output    9  Volume calibr
17. pply a proper resistance between the LED and the LSW in  serial connection to prevent too high voltage from directly being exerted on the LED and burn it   When connecting the battery to the power amplifier  please mind the positive and negative pole as reverse    connection will burn the ESS PRO circuit        External LED    A                    E switch  BEC power      GND    jo o ob  Keere D       GND E switch  BEC power      Quick start    Enter Calibration mode  Press  amp  hold the ENTER    1S  LED 1 4 on  after   DI      sound  release the button   ESS PRO enters the    Setup mode       Neutral Calibration   LED 1 on  make sure the TH at Neutral  Click the ENTER     after    DI      sound  the neutral  calibration finishes    Forward TH calibration  LED1 2 on  Pull the TH stick to max forward position  click the    ENTER     after   DI   sound  forward TH calibration finishes   Backward TH calibration  LED1 3 on  Push the TH stick to max backward position  click the ENTER     after       DI   sound  the backward TH calibration finishes   After the steps above  LED 1 4 flash in order  after  DI      calibration is completed  Calibration mode exit    automatically   With only LED1 on and  Di  DI  DI  sound  the calibration fails  It returns to the neutral calibration to re     calibration    In process  you can quit the calibration mode by pressing CANCEL      with  DI           and three Red flashes   With power on  the ESS PRO is still in off state  The engine starts 
18. rcrafts as well as attachments       sounds  This section provides value added service of ESS  You can download sounds you like for your car models or    plane models to acquire the best experience  We will keep increasing the types of resources to meet your demand   Product launch    SENSE works on the development of innovative electronic product used in models  Whenever we have something    new we will launch it in this area     Configure your product    RC PLUS provides satisfactory user interface and convenient operations for quick configuration of your ESS product     Main contents include product information  firmware upgrading  parameter configuration and local resource management        User registration    Before using various functions with RC PLUS  users need to register a RC PLUS account  in the process of which  email verification is required  This account will also be used for a user to purchase products and sound resource with RC  PLUS  so please keep the account and password well  Resources you may download later will all be related to this  account  Account verification will be needed in the process of sound downloading  We require users to kindly follow the  rule to download sounds with your own accounts to your ESS product and do not share resources with others by offering  your account information  By principle every account corresponds to a device authentication license  If we find that a  certain account shares and installs resources in a malicious way  
19. upon the push of the throttle  Then ESS PRO  generates engine sound according to the throttle signal  Meanwhile the LED displays the current speed status    synchronously     Warning  ESS PRO must have its throttle calibrated before being used for the first time  If ESC is connected in the  throttle calibration process  it will offer voltage output to the motor and rotate the wheels of the vehicle  For your    safety and to decrease the influence of noises coming from motor rotation on your judgment on sound during    calibration  please MAKE SURE that the motor and the ESC are disconnected  or do not use ESC in calibration but  use additional receiver battery to offer power supply to the receiver and the ESS PRO  and connect the ESC after the    completion of the calibration        www sensehobby com 5    SENSE    Innovations    About RC PLUS    RC PLUS is a software platform with online function which has various characters of internet software  RC PLUS  will upgrade automatically when it detects a new version  You may from time to time see new function updates from  RC PLUS also with new videos and sound resources  etc  Please kindly pay attention    RC PLUS is a kind of cloud service software with such functions as videos  consultation and audio resources   Meanwhile  it is the tool for the setup and configuration of ESS PRO  It is a comprehensive online applications  platform for model products  For better enjoyment of value added services of Sense products in the future
20. vations    LSW E switch    ESS has a built in E switch with maxim voltage of 8V and maximum current of 3A  used to connect external devices    such as LEDs  As long as your external devices meet aforementioned power supply requirement  they can be subject to    LSW E switch control through AUX channel   LSW pins are defined as follow        LSW E switch output  4  GND 35  E switch output  under control  6  Non definition  Location  Configuration  gt Additional Function  gt Electronic Switch    LSW off  LSW on Electronic Switch   Third channel AUX trigger mode  Power on trigger mode WM Direction  m Forward  PWM trigger direction through the  third channel   e PWM trigger threshold value through Duty Cycle    the third channel   e LSW output frequency  LSW output duty ratio    y E ae m  ATR 5 1  i M y alue     Cycle        Remarks  LSW channel in essence is an E switch  Through configuration it can realize the control on electrical devices  such as LED and smoke generators  Not only could this channel realize the output of voltage on or off by AUX    channel but also can set up the output after power on  controlling such functions as LED flashing mode through two    modes  adjusting the output frequency and duty ratio  Extend your imagination freely to enjoy this function        Power management and alarm  Battery    ESS provides a battery monitor and alarm function through which you could choose the type and quantity of your  battery  When you have chosen your battery type  th
21. we reserve the right to cancel the account as well as  resources related to it     Ningbo Sense Innovations Electronic Technology Co   Ltd  owns the right of final interpretation of  the content of this paragraph     www sensehobby com 8    R C SENSE    Innovations    ESS PRO hardware function description    ESS PRO includes three major parts     Sound mixing unit  a 32 bit processor is the CPU to realize complicated sound mixing algorithm in this unit  producing  various realistic sounds  This is a logic part with 4 8V power supply coming from the BEC of the ESC together with the  receiver     Power amplifier  it is used to amplify the sound signals  A high efficiency D Class amplifier with the maximum load of  30W x 2  8 ohm resistance  is used  supporting the input of 2 6S lithium batteries     Speaker  it consists of power speaker and its cavity  more specifically  a 1 5 inch 10W speaker and a sound cavity with  reverse phase hole     Power amplifier    e Supply voltage range  5Volts 26Volts   e Speaker Impedance  4 8Ohms   DO NOT use speaker lower than 8 Ohms on voltages greater than 12V  e Output power under 4 Ohms  20W 3S LiPO  per channel   e Output power under 8 Ohms  1OW 12V  23W 18V  30W 22Volts supply   e Number of audio channels  TWO channels 30W X 2   e Output is Short Circuit  Overload and Thermally Protected    Remarks  ESS PRO is a universal sound simulation system with quite big output power to meet different models of    speakers  Therefore in the usage pro
    
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