TENEALAY FV2pro is a small RCA stereo preamplifier box with a volume control function.

Features:

Sound quality Lossless:
It does not affect sound quality.

No Gain design:
There is no gain, it matches power amplifiers, active speakers, and some monitor audio devices very well.

Volume adjust:
Installed with Japan ALPS RK27 potentiometer A10K, high precision adjustment. Not the regular pot version

Passive design:
It is passive, it does not need a power supply. Plug and play.

Switch selector:
It can be used as an RCA audio switch selector, with 2 inputs and 1 output, so you can select a signal without plugging/replugging cables.

Aluminum case:
Install in aluminum case. The knob is also made of solid aluminum, looks very textured and high-end, touches very well, and is of durable quality. It is not a plastic knob or plastic with a metal coating

Parameters:
Connectors: 3 pairs of RCA sockets
Input: 2 x RCA audio source input
Output: 1 x RCA output
Input impedance: 10K

Front panels:
Left toggle switch is for switching input A or input B
Right knob is for turning for volume adjustment, volume up and volume down.