Owner`s manual
Contents
1. activated the surroundings will be amplified through the headphones Audio Control Features with Active M4U Headphones In your headphone package we have included two 1 5m 59 audio cables One cable is equipped with a monitor function ergonomically positioned on the cable The second cable is equipped with a 3 Push Function Button and monitor function for remote controllability nands free operation of your mobile phone lf you receive a phone call during a listening session using the 3 Push Function Cable a single button press will answer the incoming call and pause your audio 1x P I IUA track Once the call is complete a single button press will end the call and resume audio play 2X gt I When listening to a handheld music device such as an iPod the 3 Push Function Button can be used to change to the next track or pause and resume music without reverting back to the controls of the handheld device LISTENING With the volume set to low turn on your audio source find a comfortable listening level and drift into a personal space filled with the sounds of your favourite audio video collections Headphone Placement Each ear cup is marked with L and R to indicate the left and right sides of the headphones Be sure to put them on correctly to enjoy your audio as originally intended and maximize your personal music experience Battery Life and Replacement with the Active M4U Headphones The 3 Position P2. ear cup allowing the user to pick a preferred side for a more comfortable listening setup as shown in Figure 2 1 4 inch Adaptor lf your audio equipment uses a 1 4 inch 6 3mm output jack use the included 1 4 inch adaptor Figure 2 Power Switch Controls on the Active M4U Headphones Position A Passive Mode Figure 3a In Passive mode noise cancelling is turned off The headphones are powered by your audio source No power required Figure 3a Position B Active Mode Figure 3b In Active mode the internal headphone amplifier is active The 3 position Power Switch will be RED It requires two AAA batteries to be installed in the headphones Figure 3b Position C Active Noise Cancelling Mode Figure 3c In Active Noise Cancelling mode you have activated the Noise Cancelling feature and the internal headphone amplifier The 3 Position Power Switch will be GREEN It requires two AAA batteries to be installed in the headphones Figure 3c Low Battery Power Indicator If in Position B or C active the 3 Position Power Switch will be AMBER if your battery power is low therefore you will soon need to replace the batteries ENGLISH CONTROLLING Monitor Function By simply pressing and holding the button you can reduce your current audio track by 30dB to hear your surroundings without ever leaving your personal space The described function will only work in Active Noise Cancelling mode When
3. T L aml O Z Lu Music for You M4U Over Ear Headphones Owner s Guide SPEAKERS INTRODUCTION Thank you for purchasing a pair of PSB Speakers M4U Headphones a highly developed set of headphones that captures all the sounds from your music and video collections and brings them into your personal space Producing natural musical dynamics and precisely imaged sound these hi fi headphones will bring you closer to the music you love Engineered with over 40 years of audio excellence and research the M4U Headphones from PSB Speakers will deliver unmatched sound quality all day comfort and fold and go portability for today s music enthusiasts and professionals With PSB s true to nature sound quality and stylish ergonomic designs you can escape to a personal concert experience that will travel anywhere with you SAFETY INFORMATION By supplying this Owner s Guide we hope you will read through this booklet to help assure that you are getting the most out of your PSB product and your music This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation FE amp Ce OSHA Guidelines for Noise Exposure Limits The Occupational Safety Health Administration OSHA has issued headphone usage recommendations for maximum daily exp
4. en the ear cup and audio source Also ensure the audio source has not been muted on the 3 Push Function Button or monitor function 3 Issue Crackling Noise or Intermittent Loss of Noise Cancelling if applicable Check the cable is fully connected Check the cable connection has not been damaged at the audio source and or ear cup If the 3 Position Power Switch is AMBER your battery power is low Therefore you will soon need to replace the batteries If you require service please visit your local authorized PSB service centre or www psbspeakers com If you have moved since your purchase the nearest authorized PSB dealer will be able to assist you If the problem is not resolved please contact us directly and provide the model name serial number date of purchase dealer name and a full detailed description of the issue We appreciate your purchase of the M4U Headphones and thank you for taking the time to read this owner s guide We hope you enjoy the exceptional satisfaction that PSB Speakers offer and wish you many years of enjoyable listening REAL SOUND for REAL PEOPLE ENGLISH
5. ent and cushion as described above and fit the lip of the ear cup cushion into the provided groove slot 1 To detach the ear cup cushion grasp the headband over the ear cup cushion that needs to be removed 2 Using your other hand grip the leather ear cup cushion and carefully stretch and pull the lip of the cushion away from the groove If necessary repeat on the other ear cup 2 Using your finger slowly work the leather lip into the groove of the ear cup until firmly inserted ENGLISH M4U HEADPHONE CARE For safe sanitary use it is essential to maintain and clean your M4U Headphones periodically However excessive cleaning may cause damage and jeopardize the longevity of the product When not in use always store headphones in the supplied protective case and store in a clean and dry environment Avoid storing in extreme heat or cold temperatures and humidity and avoid exposure to liquids WARNING e When disconnecting your M4U Headphones grasp the plug at the end of the cable and pull to disconnect Never pull on the headphone cable to disconnect the headphones from your music player PROTECTING YOUR INVESTMENT For long lasting enjoyment of your headphones you should respect their limits and avoid excessive volume levels for music or movie playback Excessive volume levels can damage all headphones lf your headphones are pushed to excessive volume levels they could be driven into clipping
6. ntal conditions common in commercial or non commercial aircrafts including but not limited to altitude temperature noise conditions unpressurized aircraft etc resulting in possible interference to critical communications SERVICING Ear cup Removal for Replacement and Cleaning The M4U ear cup cushions have been designed to be removable for cleaning and replacement purposes Constant removal of the cushions is not recommended nor necessary If accidental cushion removal occurs please see following directions WARNING e Never wet the speaker or electronics inside of your M4U Headphones Water or cleaning solvents may cause irreparable damage to the electronics inside your headphones The M4U warranty does not cover such damage Cleaning For regular cleaning use a slightly damp cloth and gently clean each ear cup cushion and then use a dry cloth to remove any residual moisture If heavy cleaning is necessary after extended listening and use follow these directions Clean the ear cup cushions by hand fill a bowl or sink with cold water Add a very small amount of dish or laundry soap and gently clean the cushions After cleaning the cushions rinse with clean water To dry the ear cup cushions place them on a towel with the pads facing up Fold the towel over top of the cushions and press down to remove any excess water in the foam padding Air dry completely before reattaching Cushion Attachment Detachm
7. osure and sound pressure levels measured in decibels dB A decibel is a unit of sound measurement that increases exponentially with volume For example conversational speech is typically around 60dB and a rock concert in a stadium is often about 110dB Maximum Sound Pressure Level Recommended For Daily Use see Figure 7 below Figure1 90dB 8 Hours 95dB 4 Hours 100dB 2 Hours 105dB 1 Hour 110dB 30 Minutes 115dB 15 Minutes 120dB Avoid as Damage May Occur WARNING e Warnings or announcements may be unnoticed when you are using the headphones You should be aware of ambient sounds while wearing the headphones and recognize them as needed e Long term exposure to loud music may cause permanent hearing damage To avoid personal injury when using the headphones the volume should be kept at the described levels in Figure 1 especially for extended listening periods e f water or other foreign substances permeate inside the device fire or electric shock may result e Do not attempt to modify this product as it could result in personal injury and or product failure e Keep batteries out of reach of children ENGLISH CONNECTING Before making any connection make sure your audio source is powered off as severe damage to equipment and or your ears could result if audio source is left on To connect your headphones plug the 1 8 inch 3 5mm straight connector into one of the inputs located at the base of the left L or right R
8. ower Switch will be AMBER to indicate to the listener that there is approximately 3 hours of battery life remaining Although battery life will vary upon usage the average life is 55 hours which may vary further if using rechargeable batteries Upon needed replacement simply grasp the headband and tilt the top of the left ear cup towards the right side to locate the two pull tabs on the bottom as indicated in Figure 4 Placing two fingers inside both tabs gently detach the battery compartment cover and replace the used batteries with two AAA alkaline batteries IEC LRO3 as illustrated in Figure 5 To reattach the front cover piece insert the top two clips first and proceed to press the remaining two clips into the provided slots Figure 5 Please dispose of used batteries properly following any local regulations Do not incinerate 4 ENGLISH CONNECTING TO IN FLIGHT ENTERTAINMENT SYSTEMS In order to connect to in flight entertainment systems equipped with dual output connectors you must use the supplied dual 3 5mm airline adaptor and Active Monitor cable with the Active M4U Headphones NOTE Audio output jack configurations may vary on airplanes Airline audio may not equal the high quality you get from your home audio equipment or a portable source WARNING e PSB Speakers recommends you do not use these headphones as aviation communication equipment as they are not engineered for many environme
9. which could result in severe and or permanent injury If using your headphones at loud levels listen carefully for any sign of harsh garbled midrange and diminishing intelligibility and if detected turn the volume down immediately NEVER TEST PEAK LISTENING LEVELS OF THE HEADPHONES BY TURNING THE VOLUME UP ALL THE WAY ENVIRONMENTAL PROTECTION At the end of its useful life this product must not be disposed of with regular household waste but must be returned to a collection point for the recycling of electrical and electronic equipment The symbol on the product owner s manual comptian The materials can be reused in accordance with their markings Through re use recycling of raw materials or other forms of recycling of old products you are making an important contribution to the protection of our environment Your local administrative office can advise you of the responsible waste disposal location ENGLISH TROUBLESHOOTING 1 Issue No Noise Cancelling if applicable Ensure the 3 Position Power Switch is in the Active Noise Cancelling position on the headphone and is illuminated GREEN If the 3 Position Power Switch is AMBER your battery power is low Therefore you will soon need to replace the batteries 2 Issue Low or No Volume Output Check the audio source is powered on and the audio is set to a medium volume level Check the cable connection to the audio source and the connection betwe
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