Kicker 10ZXMRLC Dual Zone Remote Level Control

Specifications
(RCA) Stereo inputs
Line-level. Handles up to 4.5 volts and differential-balanced inputs for minimizin unwanted noise.
2 (RCA) Stereo outputs
Each with its own rotary volume controls. The remote volume controls have their own extendable umbilical cords for effortless mounting flexibility.
Preamp
Providing up to 9V RMS of unclipped output to amplifiers and dual line-level, (RCA) stereo zone outputs.