DLS A7 Ultimate 5-channel amplifier

Ultimate Series 5-Channel Class A/B Car Amplifier

Specifications
RMS Power Rating (13.8):
4 ohms: 60 watts x 4 chan. + 300 watts x 1 chan
2 ohms: 100 watts x 4 chan. + 440 watts x 1 chan
1 ohm: 600 watts x 1 chan.
Bridged, 4 ohms: 200 watts x 2 chan.
Pulse Width Modulated MOSFET power supply
LED power (green) and protect (red) indicators
5/4/3/2 channel operation
3-Way System Protection circuitry (thermal, overload, and speaker short protection)
Internal switches connects all amplifier inputs if you prefer to use only one RCA cable
Input for the addition of an external cooling fan
Heavy duty aluminum alloy heatsink with internal fan for extreme heat dissipation
Gold-plated RCA level inputs
Gold-plated screw terminals
Input sensitivity:
Level: 300mV-7V
Variable high-pass filter (80-400 Hz, 1,600-8,000 Hz [x20])
Variable low-pass filter (300-4,000 Hz, 3,000-40,000 Hz [x10])
Phase Shift: 0-180°
Damping factor: >200
Frequency response: 10-50,000 Hz
Dimensions: 23-13/16"L x 9-7/16"W x 2-7/8"H