Tags: audio preamp, douk audio, preamp hifi, Cheap audio preamp, High Quality douk audio, China preamp hifi Suppliers.

  Inputs:   A, B, C three-way RCA inputs, front panel Sel button to cycle, with power cut memory function. After power off A  gear  through output.
Output:
A: straight-through output.
B: output can adjust the volume knob on the front panel volume, for access to the power amplifier without volume control.
The products solve your worries in multiple sources, multiple power amplifiers, amp and other connected devices, eliminating the need for complex wire pulling operation will not change the sound quality of your system, It just a connect bridge, easy to operate.
 
 

Cheap audio preamp, Buy Quality douk audio directly from China preamp hifi Suppliers: 2016 Lastest Douk Audio HiFi Selector Passive Pre-Amplifier 3-IN 2-OUT Audio Preamp Adjustable Volume Free Shipping