Used, very good condition, come with original box and high voltage sound input harness. 

• 400 watts MAX, 4 Channel Car Amplifier
• RMS Power Rating:
• 4 ohms: 50 watts x 4 chan.
• 2 ohms: 70 watts x 4 chan.
• 4 ohms Bridged: 100 watts x 2 chan.
• MOSFET Power Supply
• Heat Sink Equipped
• High Level Inputs
• RCA Level Input
• 18 dB per octave, Variable High Pass, Full Pass, and Low Pass Crossover
• Tri-Mode Operation Capable
• Overload, Short Circuit, Thermal, and Reverse Polarity Protections
• Fan Cooling
• Bass Boost: 0 - 9 dB @ 45 Hz
• Dimensions: 14.25"L x 9.37"W x 2.6"H