I have an Audiobahn A4004T 4 channel amp for sale. $50 + shipping and it's yours. PM me if interested.
# 800W Max, Intake Series 2-Channel Amplifier
# RMS Power Output:
* 50 watts x 4 chan. @ 4 ohms
* 100 watts x 4 chan. @ 2 ohms
* 200 watts x 2 chan. @ 4 ohms Bridged
# Max Power Output: 800 watts @ 2 ohms
# Class A/B MOSFET Circuitry
# PWM MOSFET Power Supply
# Semi-double Sided Glass Epoxy Circuit Board
# 4-way Protection Circuitry: Thermal, Short Circuit, Overload and DC Offset
# Air Induction Cooling Fan
# Cobalt Blue Illumination
# Speaker level (high-level) inputs
# Preamp outputs
# Nickel-Plated Block Terminals
# Optional Remote Bass Control (Audiobahn ABR100T sold separately)
# Optional Remote-mount Digital Volt-meter display (Audiobahn ADM100T sold separately)
# Variable Bass Boost Control: 0-18dB @ 45Hz
# Variable Low-Pass Crossover: 50-120Hz
# Variable High-Pass Crossover: 50-750Hz
# Signal-to-Noise Ratio: 100dB
# Frequency Response: 10Hz-40kHz
# Variable Subsonic Filter: 20-50Hz
# THD: 0.02%
# Phase Control: 0 or 180°
# Input Sensitivity: 200mV-8V
# Dimensions: 9-1/8"L x 11-1/16"W x 1-7/8"H