Pre-Amplifier
It is a versatile, high-performance unit that comes with four microphone inputs and four auxiliary inputs. It is a highly specified amplifier with a low signal to noise ratio. It fulfills a wide variety of public address requirements at surprisingly low cost. The volume of each microphone and the auxiliary input can be controlled independently.

HPP-0208A
Features
4 Auxiliary Input,1~2 RCA unbalanced input,3~4 balanced screw terminal input
Auxiliary Selector
4 x Balanced MIC Volume Control and 4 x  Auxiliary Volume Control
Master Remote Volume Control
Treble, Bass Volume Control
TEL, Mute Short-Circuit Trigger Connector
TEL Connector
2  x RCA Output
1 x  XLR Line Output

Power Supply 230Vac ± 10%, 50/60 Hz
Max power consumption 10VA
Protection 1A ac fuse
Distortion <0.5% @ rated Outputs, 1kHz
Bass Control -10/+10 dB @ 100 Hz
Treble Control -10/+10 dB @ 10 KHz
Frequency Response 20 Hz - 20 kHz (+1/-3 dB @ -10 dB ref. rated Outputs)
4 x MIC Input  XLR,balanced,24V Phantom Power(ON/OFF Switch)
Sensitivity: MIC: 5 mV; Line: 775mV; Impedance :> 1k Ohm; S/N :> 60dB.
4 x Aux Input RCA stereo socket bridged mono, Screw terminals, balanced; Sensitivity:775 mV; Impedance:10k Ohm; S/N:>75dB.
Tel Input Screw terminals, balanced; Sensitivity: 300 mV; Impedance: 600 Ohm; S/N: >75 dB.
Music Output RCA mono; Impedance: 600 Ohm; Output Level: 775mV.
Line Output RCA mono; Impedance: 600 Oh; Output Level: 775mV.
Control Treble, Bass ,Mic1Vol, Mic2Vol, Mic3 Vol, Mic4Vol, AUX1 Vol,AUX2 Vol,Aux3 Vol, AUX select button, phone mute trigger connector, phone connector, LED Contrast and On/OFF Switch
Indicators VU-meter ( LEDs for -10,-5,0,3 and 6dB)
Relative Humidity < 95%
Operating Temperature Range -10°C to +45°C
Weight 4.8KG
Dimensions 234mm x 430mm x 100mm