Delivering the powerful, deep bass your music deserves, the MR10Smk3 Powered Studio Subwoofer is designed for high-output low end performance . The low-profile enclosure is rear-ported to provide smooth, even bass that adds to the character of your music and also features vibration-absorbing rubber feet to minimize unwanted resonances. Optimizing features include an adjustable crossover to dial in the right amount of low end for your studio, plus a polarity switch to make sure your mix is always in phase. Adding an MR10Smk3 studio subwoofer to your studio not only delivers the added bass your music demands, it is perfectly matched to MRmk3 studio monitors to enrich your full range mix. SPECS System type: Powered Studio Monitor LF Driver: 10" polypropylene woofer HF Driver: N/A Frequency Response:35Hz - 180kHz Max Peak SPL Per Pair:113dB SPL Amplifier Class: Class A/B Wattage (RMS): 120W Power Consumption (loud mix):250W Crossover: variable from 40 Hz - 4180Hz Input Impedance (Ohms): 20 kOhms, balanded bridging, 10 kOhms, unbalanced HF Level Adjust (100Hz Shelving): N/A LF Level Adjust:N/A Indicators:Rear panel power LED Input Connectors: XLR, TRS Output Connectors:TRS AC Requirements: 120VAC, 60Hz Enclosure Construction:US: Solid MDF Finish: Black Vinyl Wrap Port Configuration:Rear Port shelf Damping:Adiabatic Batting Dimensions (HxWxD):15" x 12.6" x 15"