A908 One In Four Out Audio Signal Amplifier

About the product 1. Compact PreAmp 4-channel stereo microphone/sound amplifier 2. The amplifier is made of metal material, hard and durable 3. Volume gain knob is well-designed and user-friendly. 4. Added with echo switch, echo time and echo function 5. High-end control system to meet all high-impedance microphone drive demands. 6. The servo voltage stabilizing circuit and one-channel signal input are well-designed. 7. The Four-channel independent amplifying signal output and two-channel PreAmp Output can be used as the pre-amplifier of high-end microphone. 8. The aluminum housing is surface-polished. 9. The interface panel reserves microphone interface in 6.5mm and 3.5mm to 6.5mm gold-plated converter, allowing for the input/output of microphone and loudspeaker box interface. 10. The four-channel is enabled with Volume Gain knob of independent microphone. 11. 4-channel Stereo Earphone/Sound Amplifier for all types of impedance earphones 12. The 4 big-power stereo amplifier can maintain the best sound quality without distortion even in big volume. 13. All channels are enabled input level function. 14. Ultra low noise imported chip amplifier can make for better tone. 15. Equipped with DC12V power adapter. 16. You need a monitor distribution system if you want to track with several artists or intend to replay each member in a group. 17. With compact and flexible structure, A908 can drive 4 pairs of earphones and 4 independent volumes. 18. You can combine the super-compact stereo earphone function with either one of 4 earphones. 19. 4 audiences can listen the recording room particularly of audio mixing. 20. And every audience can adjust the volume via special output level. 21. The product contains 4 high-power stereo amplifier to maintain the best sound quality in the max. volume. 22. The ultra-low noise chip operational amplifier demonstrate excellent audio performance. 23. They are the same with the operational amplifier equipped in full-size audio device.