Used subwoofer & amp in really good condition. Pulled from a car we purchased. We need the trunk space WAY more than the incredible thump this thing puts out! Text first to arrange a time to look at them. Subwoofer XNBP12D: Max power handling - 1100 watts RMS power handling - 600 watts Sensitivity - 89dB Frequency Response - 25-200Hz Impedance - 4 Ohms Height - 18.5" Width - 29" Depth - 16.5" Amp XIA2460: XIA Series 2-Channel Class AB Car Amplifier RMS Power Rating: 4 ohms: 100 watts x 2 chan. 2 ohms: 145 watts x 2 chan. Bridged, 4 ohms: 300 watts x 1 chan. Max power output: 460 watts x 1 chan. PWM (Pulse Width Modulated) MOSFET power supply LED power and protection indicators Tuned Bass EQ (0-12 dB bass boost at 45 Hz) Variable input level control Illuminite 12V DC output (compatible with DUAL Illuminite speakers) Direct wire connection terminals Bridgeble operation Speaker-level inputs Thermal, short circuit, and reverse polarity protection circuitry Die-cast aluminum heatsink Variable high-pass filter (40-400 Hz, 12 dB/octave) Variable low-pass filter (40-400 Hz, 12 dB/octave) CEA-2006 compliant amplifier Frequency response: 20-20000 Hz Dimensions: 14.6"L x 11.14"W x 2.56"H