Rockville RBG10S Powered PA Subwoofer, Compact, 10", 1200W, Deep Bass, Variable Crossover, Built-in Limiter, Pole Mount, Perfect for DJ, House Parties

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Rockville RV12.2B 1200W Dual 12" Car Subwoofer Enclosure, 400W RMS, Mono Amp, CEA-2006 Compliant, Subsonic Filter, Amp Kit, for Car Audio Systems

Rockville Rock Shaker 8 Black, 8" Powered Subwoofer, 400W, Deep Bass, Class-D Amp, RCA/Speaker Inputs, for Home Theater & Studio

🔊 Get massive bass that fits under your seat! Ultra-slim subwoofers with built-in amps. No space sacrifice needed. 15% off today! | Rockville Audio

Rockville RVB10.1A 10 Inch 500W Active Car Subwoofer with Enclosure, Built-in Class AB Amplifier, Adjustable Bass Boost, Compact Design, for Car Audio Enthusiasts

Rockville Car Audio Bundle: SS10P 10" 800w Slim Under-Seat Active Subwoofer, Compact Design, RWK81 8-Gauge Complete Amp Installation Kit, 100% Copper RCA, 2-Items

Did you just pick up your first subwoofer amp and not sure where to start with setting the gain? We have you covered! Check out this video to learn how to set the gain on your amp! | Rockville Audio