Frequency Response / Acoustic Data: – 15-280 Hz +/- 3 dB (standard mode – all ports open) – 13-280 Hz +/- 3 dB (extended mode – 2 ports open) -14-360 Hz +/- 3 dB (sealed mode – all ports sealed) – 2-meter ground plane away from reflective structures (quasi-anechoic). – Roll-off slope specifically optimized to take maximum advantage of available room gain Subwoofer Specs: – Black Oak and Piano Gloss Black finish options – -Protective non-resonant steel mesh grille – Front-firing 16″ driver – Rear-mounted amplifier – Screw-in rubber feet – Triple 3.5-inch ports – Robust Medium Density Fiberboard(MDF) cabinet construction – Cabinet Dimensions: 25″ (H) x 21.7″ (W) x 28.3″ (D) (without grille) – Cabinet Dimensions (with grille): 25” (H) X 21.7” (W) X 30.9” (D) – Shipped Dimensions: 34.2″ H X 27.5″ W X 38.6″ D – Weight (unboxed): 174.5 lbs – Shipped Weight: 207.3 lbs Driver Specs: – SVS 16” Ultra-series driver – Powder-coated cast aluminum basket – Four high-grade ferrite magnets – Finite Element Analysis (FEA)-optimized motor structure – Dual shorting rings reduce gap induction and lower distortion – Extended pole piece improves heat sink and thermal management properties – 8” diameter, high-power edge wound voice coil – 95mm peak to peak Xmech excursion (82mm Xmax) – Upgraded Nomex spider for improved linearity and driver control at extreme drive levels – Dual 24-strand copper and Nomex composite high-temperature leads provide a pristine electrical connection from the amplifier to the voice coil – Premium glass fiber laminated dust cap and reinforced composite cone sub-structure ensure a light, ridged, and neutral radiating surface – Low-creep rubber long-throw surround for excellent durability and longevity Amplifier Specs: – Sledge STA-1500D DSP amplifier – 1,500 watts RMS continuous (5,000+ watts peak dynamic) – Efficient and cool-running Class D topology – High-resolution 50Mhz Analog Devices Audio DSP with double precision 56bit filtering is most advanced subwoofer processor available for perfect audio reproduction – Active PFC (Power Factor Correction) ensures the cleanest 1500W output regardless of your home mains supply – XLR and RCA stereo input/output with ultra-wide input voltage for consumer and professional audio applications – Convenient front-mounted display with subwoofer controls and 8 digit LED display – Groundbreaking Subwoofer Control and Bass Management Smartphone App for Apple and Android Devices – IR Remote Control – Three user adjustable parametric EQs – Continuously variable volume/gain control – Continuously variable (0-180 degrees) phase control – Continuously variable (30-200 Hz) 6, 12, 18, or 24 dB/octave low pass filter frequency with disable/LFE setting – Main power rocker switch – Auto-On / On / Trigger Controls – 3-12V trigger with 1/8” (3.5 mm) TRS mini-jack input – Green standby mode with > 0.5 watts consumption – Input impedance 22kohm (RCA)/ 22kohm (XLR). – RoHS compliant, lead-free construction and world-wide safety certifications – Detachable power cord Included Accessories: – Protective non-resonant steel mesh grille – Iso-elastomer feet included – Extra heavy-duty, high current 6′ power cord – 1 Foam port tuning plug – PB16-Ultra Subwoofer Manual – Quick Start Guide