(1) This a very good mechanical volume controller, it adjusts volume level easily directly, connect between CD player, DAC, preamplifier, and power amplifier, active speaker, monitors, etc.

(2) It is well compatible with analog signal audio equipment.

(3) Its connectors are 2 pcs RCA input and 2 pcs RCA output. It is stereo 2 channels.

(4) It is a pure and simple volume adjust circuit design product, with no sound affected, no sound quality loss, no gain, no amplification.

(5) Install with precision and low noise potentiometer Alps RK16, works with good performance.

(6) All output and input signal RCA sockets are quality RCA.

(7) Solid Aluminium case, with black brush surface finished. The volume knob is also solid aluminum, good hand feel and durable.

(8) No need power supply. Plug and play.

(9) Size: W63.5 x L93 x H 42 mm