Clean, vintage 400w 4-channel amp. Used but never abused. Single owner, single car installation. Stored in doors since it was uninstalled. 

Specs:

400 watts 4-Channel Amplifier

RMS Power Rating:

4 ohms: 45 watts x 4 chan.

2 ohms: 50 watts x 4 chan.

4 ohms bridged: 100 watts x 2 chan.

Thermal, DC offset, reverse polarity protection

Rugged two-piece extruded heat sink and cover

Chrome-plated wire terminals and RCA connectors

Built-in high performance, 12 dB/octave 2-way active crossovers

High speed MOSFET switching power supply

Bipolar outputs

2 or 4 channel input capability

Switchable 8 dB bass EQ function

Dimensions: 11-3/8"L x 10-3/4"W x 2-1/2"H