HiFi RCA XLR Balanced Preamp Remote Relay 128 Steps Volume Passive Preamplifier

Description

Details:
It adopts 128-level relay pure resistance shunt control, the input and output impedance is constant, the step is 0.5db, and the audio resistance adopts the American DALE/VISHAY precision resistance.
4 groups of audio input options (2 groups of XLR, 2 groups of RCA), 2 groups of audio output (1 group of XLR, 1 group of RCA)
With remote switch function.
With audio output mute function.
With power-off memory function, it can return to the state before the last shutdown every time it is turned on.
With one-key return function, customers can set the return volume at will.
The volume output delay function version has a volume output delay function, with a delay time of 0-30 seconds, and the user can set the volume delay output time at will. (How to use: Press the volume delay output setting button of the remote control, the digital tube flashes, then press the +- of the volume button to adjust the delay time, after adjusting the time, press the volume delay output setting button again, and the digital tube changes back to input Select, no longer flashing, save successfully.)
Encoder function: Press the left encoder to enter the power switch, and rotate the audio input selection left and right. Press the right encoder to mute, and rotate the volume left and right.
Use an all-aluminum chassis. All aluminum knobs.
CMC pure copper gold-plated RCA, Swiss Nutrick balanced socket.
Specifications:
There is no preamplifier board installed in this project, you are free to add preamplifier board installation.
Input: XLR * 2 groups, RCA * 2 groups
Output: XLR * 1 group, RCA * 1 group
Working voltage: AC110V or AC220V optional
Dimensions (W*H*D): 320*92*308MM
Package list:
1 × Finished XLR preamplifier
1 × Remote control (no battery)
Not included AC power cord ！