I got a Powerbass Asa 600.4x for 175 used for 2 weeks.
4 ohm Power : 100W x 4
• 2 ohm Power : 200W x 4
• 4 ohm Mono Power : 400W x 2
• Peak Power : 1600W
• Total Harmonic Distortion :
• Frequency Response : 20Hz - 22,000Hz
• S/N Ratio : >94 dB/W/M
• Damping Factor : >150
• Input Sensitivity : 0.5 - 4.0 volts
• Crossover Slope : 12 dB
• High-Pass Crossover Freq : 40Hz - 250Hz
• Low-Pass Crossover Freq : 40Hz - 250Hz
• Variable Subwoofer EQ : 0/+18 dB
• Subwoofer EQ Frequency : 40Hz
• Dimensions : 14.9 " x 9.3 " x 1.9 "
• Dimensions : 379mm x 238mm x 48mm