Works voltage:  AC9V-0-AC9V   （0.5A）

Support 4 way balance input 

Output: one way balance output

With infrared remote control

Main control CPU: STC12C5A60S2

Audio control chip adopts 2pcs US  Crystal CS3310


Package include:         
Assembled Remote XLR balance preamplifier board    X 1 set
Remote control   X 1  (no battery)




The following is our back panle cut hole draws:




The following finished with case photo just for reference only！！we also have the suitable case for sale. if you want buy. Please contact us.