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: 8" polypropylene woofer HF Driver: 1" silk dome tweeter Frequency Response:38Hz - 20kHz Max Peak SPL Per Pair:113dB SPL Amplifier Class: Class A/B Wattage (RMS): 85W Power Consumption (loud mix):150W Crossover: 3kHz Input Impedance (Ohms): 20 kOhms, balanded bridging, 10 kOhms, unbalanced HF Level Adjust (100Hz Shelving): -2dB, 0dB, +2dB (100Hz, shelving) LF Level Adjust:0dB, +2dB, +4dB (3.25kHz, shelving) Indicators:Backlit Running Man LED Input Connectors: XLR, TRS, RCA Output Connectors:N/A AC Requirements: 120VAC, 60Hz Enclosure Construction:US: Solid MDF Finish: Black Vinyl Wrap Port Configuration:Custom-tuned Rear Port Tube Damping:Adiabatic Batting Dimensions (HxWxD):15.8" x 10.9" x 13.2"