PowerBass Party Pack - Dual 12" Subwoofers in vented enclosure with ASA3-400.2 Amplifier and Wiring Kit - This bundle includes a PowerBass PS-WB122 - 12" Dual Loaded Ported Enclosure, a PowerBass ASA3-400.2 -400 Watt Amplifier, and an 8 gauge wiring kit. PowerBass PS-WB122 - 12" Dual Loaded Ported Enclosure Features - Heavy Duty Dual 12" Box Design Computer Optimized Acoustic Chamber Bass Reflex Aero/Slot Port System 2-Layer DDC Coated Black Ribbed Paper Cone 2" BASV High Temperature Voice Coil Double Pressed Treated Foam Surround 2-Tone Aircraft Grade Vinyl Finish Single 4-ohm Input 550 Watts RMS/1,100 Watts Max Specifications - Nominal Impedance: Single 4-ohm Input Bottom Depth: 14.4" Top Depth: 12.25" Height: 13.5" Width: 34" Material: DDC coated paper cone Magnet Size: 45 oz. Sensitivity (1W / 1M): 98 dB Dimensions (in Inches): 13.5" x 34" x 12.25" (top depth) x 14.4" (bottom depth) Size: Dual 12" Frequency Response: 30 Hz - 120 Hz Power Handling (RMS/Peak): 550 / 1100 watts PowerBass ASA3-400.2 - 200 Watt x 2 @ 2-Ohm Amplifier Features - 2-Channel 400 Watt High Efficiency Class A/B Design 2-ohm Stable (4-ohm in Bridged Mode) PWM MOSFET Power Supply Low Level RCA Input/Low Level RCA Pass Through Output Remote Soft Delay Turn On/Off Circuit Variable High/Low Pass Electronic Crossover Variable 18dB Bass Boost EQ @ 45 Hz Variable Gain Control Switchable Logo Back Lighting Specifications - Selectable Subwoofer EQ: 0-18 dB Gain @ 45Hz Inputs: RCA Input/RCA Pass-Through Output Equalization Boost/Cut: 0 - 18 dB Subwoofer Frequency Range: 20 Hz - 250 Hz 4-ohm Mono Power: 400 watts x 1 4-ohm Power: 100 watts x 2 2-ohm Power: 200 watts x 2 Frequency Response: 20 Hz - 22 kHz