Rockville RBG15S 1600w Active Powered PA Subwoofer w/DSP + Limiter Pro/DJ, 15 inch Rockville RBG15S 15" 1600 Watt Active Powered PA Subwoofer. 400 Watts RMS / 800 Watts Program / 1600 Watts Peak Power. 5" Woofer with 70oz Magnet and 3 Voice Coil. Frequency Response: (+/-3dB) 29Hz - 150Hz. Maximum SPL @ 1w / 1m: 120dB Peak / 115dB Continuous. DSP Digital Signal Processor with Boost for Extended Low Frequency Control. Power-On and Signal Input LED Indicators. Signal Input LED Indicator. Clip Limiter Circuitry with LED Indicator. Balanced XLR + TRS input jacks. Balanced XLR thru/output jacks for parallel connections. Passive heat sink with heat sensitive variable speed auto turn-on fan for cooling. Subwoofer Crossover 80Hz/100hz/120HZ Low Pass. Subwoofer Level Adjustment. Subwoofer Phase Control. Built-in pole mount socket. Built-in carrying handles. Custom metal grill. Durable black carpet with black metal corners. 7-layer Birch 5/8" plywood baffle construction. Aluminum former voice coils with copper winding. Dimensions: 23.25" x 20.75" x 19.75". Weight: 73Lbs.