PK-1  
Main Feature
- 3 Microphone Input
- 3 Music Input (LINE / DVD / TAPE)
- 2 Band tone control and balance control
- 3D surround
- Digital echo with 3 effect
- Record with 3 mode
- Subwoofer output with volume and frequency
Technical Specification
THD+N < 0.03%
S/N Ratio 91dB
Mic Input 0-39mV / 600Ω
Music Input 0-1.7V / 2KΩ
Line Output 0-9.5V / 1KΩ
Subwoofer Output 0-9.5V / 1KΩ
Mic Frequency Response 20Hz - 20KHz , +/-3dB
Music Frequency Response 20Hz - 30KHz , +/-3dB
Mic Bass +/-10dB, 100Hz
Mic Treble +/-10dB, 10KHz
Music Bass +/-10dB, 100Hz
Music Treble +/-10dB, 10KHz
Power Supply Voltage 220V AC, 50Hz
Power Consumption 5W
Fuse 200mA 250V
Dimensions [WxDxH] 438 x 150 x 44 mm.