I have a used 2 channel amp. The make is Dub Audio by Audiobahn. The model is DUB1002.

Here are the specs from the website:
* 2-Channel Class-A/B Amplifier
* RMS Power (4 ohms) 100 watts x 2 chan.
* RMS Power (2 ohms) 175 watts x 2 ch.
* Bridged RMS Power: 220 watts x 1 chan.
* Peak Power Output: 440 watts approx.
* Min. Impedance Unbridged: 2 ohms
* Min. Impedance Bridged: 4 ohms
* Brushed Aluminum Chassis
* Top Mount Controls with Blue Illumination
* Cooling Fan
* Chrome DUB Fan Grille
* Glass Epoxy Circuit Board
* PWM MOSFET Power Supply
* THD: 0.02%
* S/N Ratio: 95 dB
* Input Sensitivity: 200mV - 4V
* Frequency Response: 10 Hz - 40 kHz
* Variable 18 dB/Oct. Hi-Pass / Low-Pass Crossover: 50 - 250 Hz
* Bass Boost: On/Off 12 dB
* 4-Way Protecion: Thermal, Short Circuit, Overload, and DC Offset
* Dimensions: 8-1/4" W x 2-1/8" H x 8" L

There is a little rust only on one mounting bracket. A little sanding will take that right off. Works perfect.

$40 picked up in Virginia Beach
Call for pickup. 757.362.6191