Authorized MTX Dealer! Features: MTX Magnum MB210SP 800Watt Subwoofer Enclosure with Amplifier Peak Power: 800 Watts RMS Power: 400 Watts Size: 10" Impedance: 4 Ohm 5/8" particle-board construction with aviation-grade carpet Two Magnum 10" 8-ohm subwoofers wired for 4-ohm impedance Poly cone with large-roll foam surround Frequency response: 20-300 Hz Power range (each): 50-200 watts RMS Amplifier Specifications: Magna Bass Single-Channel Class Mono Car Amplifier Power and protection LED indicators Thermal protection Overload protection Short protection Preamp RCA outputs Aluminum alloy heatsink RCA level inputs Screw terminals RMS Power Rating:4 ohms: 250 watts x 1 chan.2 ohms: 400 watts x 1 chan. Max power output: 800 watts x 1 chan. Variable Bass EQ (0-18 dB bass boost at 40 Hz) Variable high-pass filter (50-250 Hz, 12 dB/octave) Variable low-pass filter (50-250 Hz, 12 dB/octave) Frequency response: 20-300 Hz 10-gauge power and ground wiring is recommended for installation Subwoofer Specifications: Dual 10" Loaded Vented Magnum Subwoofer Enclosure Power Handling for both subwoofers: Peak: 800 watts RMS: 400 watts Impedance: 4 Ohm Polymer coated pulp cone Foam surround Frequency response: 20-300 Hz Enclosure Specifications: Dual 10" Loaded Vented Magnum Subwoofer Enclosure 5/8" MDF construction Dimensions: 11-1/2"BD x 13"TD x 28"W x 13-1/8"H