1. _ 10k 20k HZ Frequency in Hertz eeeeee e at 1KHz 5dB DC S20 20 000Hz 1kHz at 1 TH D 149dB SPL S N 1kHz at 1Pa 85dB 0000 DC48V 3 3mA 2 80Hz 12 dB oct AT8449 SV 142312680B 2012 6 2. audio technica 593 4 mm 3. 10dB RF RoHS XLRH M PIN3 D PIN1 _ PIN2 LOW CUT 10dB 7 http Www audio technica co jp proaudio 4. DC AT4047 SV TRE Fre Ed PS HH HH HERBWEWPWEggge EE HH HH EE HH Ni PH HH HH 1 DC 40 80Hz 12dB oct