PARAMETRIC PREAMP COUSTIC AUDIO CO-328K / KAROAKE MIC SOUND Spesifikasi : *Total harmonic distortion : 0,5 % 20HZ-20KhZ *Signal noise ratio : gt;90 dB *Input gain : +6dB Maximum *Input impedance : 20K Ohm *Output impedance : 6K Ohm *Maximum input level : + 8 dB *Minimum output level : + 16 dB *Minimum output draw : 600 mA *Minimum voltage : 12 VDC *Bass equalizer frequency : 80 Hz *Min equalizer frequency : 1 KHz *Treble equalizer frequency : 10KHz