sa-6
frequency range:20hz------20khz
sensitivity:line 775mv(0db)  mic 10mv
signal-to-noise:>85db
maximum output thd≤0.5%:5v
tone:line:bass+12db;-12db(100hz)
     treble+12db;-12db(10khz)
mic:mid+10db;-10db(3khz)
    treble+10db;-10db(8khz)
mic echo:mid+5db;-5db(3khz)
    treble+5db;-5db(8khz)
voltage:ac220/50hz