JL AUDIO MM55-HR, Mediamaster - Hidden Source Unit, with Built-in Amplifier

This hidden unit is equipped with a built-in amplifier and multiple connectivity options to suit various onboard audio needs. Built-in amplifier: It incorporates a 4-channel amplifier that provides 100 watts of total power (25 watts RMS per channel), enough to power speakers in zones 1 and 2 with high sound fidelity.

eBay