Four RAMPAGE 8" DVC 1000W RMS Subwoofer w/ TruSpec Vented Quad 8" Enclosure

Includes four B2 Audio RAMPAGE 8" subwoofers and one Tru Spec quad 8" vented enclosure Choose from Dual 1-Ohm or Dual 2-Ohm voice coil configurations for system flexibility Enclosure tuned to 35 Hz with 3.50 ft³ net internal volume and 52 in² port area Ideal for demo vehicles or compact SPL builds requiring high output B2 Audio Quad 8" RAMPAGE Subwoofer Combo with Tru Spec Back Vented 4x8 Enclosure This listing includes: (4) B2 Audio RAMPAGE Series 8" Dual Voice Coil Subwoofers (Choose between Dual 1-Ohm or Dual 2-Ohm models) (1) Tru Spec Back Vented Prefab Four Up Port 8" Subwoofer Enclosure (GP-4-8-SUB) Built for serious bass performance, this quad 8" combo brings thunderous output in a tight, efficient design. The B2 Audio RAMPAGE8 subwoofers each handle 1000 watts RMS, featuring 2 inch voice coils, 300 oz magnets, and long-excursion suspension for deep, hard-hitting lows. Choose between Dual 1-Ohm or Dual 2-Ohm configurations to match your amp setup. The Tru Spec GP-4-8-SUB enclosure offers 3.50 cubic feet of net internal volume (after sub displacement) and is tuned to 35 Hz with a 52 in port area, all built from 0.75" MDF for durability and optimal airflow. Ideal for demo builds or daily drivers that need max SPL in minimal space. Subwoofer Specifications (RAMPAGE8-D1-V2 or RAMPAGE8-D2-V2): RMS Power Handling: 1000 Watts Max Power Handling: 2000 Watts Frequency Response: 10 Hz to 500 Hz Nominal Impedance: Dual 1 Ohm (D1) or Dual 2 Ohm (D2) Voice Coil Diameter: 2 inch Sensitivity: 83.8 dB Magnet Weight: 300 oz Displacement Volume: 3.3 L / 0.115 cu ft Free Air Resonance (Fs): 39 Hz Resistance (Re): 1 Ohm (D1) Qms: 5.67 Qes: 0.55 Qts: 0.5 Vas: 5.4 L Cms: 100 um/N Mms: 135.1 g BL: 72 TM Xmax: 20 mm Overall Diameter: 8.66 in Mounting Diameter: 7.84 in Front Mount Baffle Cutout: 7.28 in Overall Depth: 7.09 in Mounting Depth: 5.91 in Enclosure Specifications (GP-4-8-SUB): Material Thickness: 0.75 in Net Internal Volume (post displacement): 3.50 ft Tuning Frequency: 35 Hz Port Area: 52.00 in Cutout Diameter: 7.45 in Flush Trim Diameter: 9.00 in External Dimensions (Length x Width x Height): 34.00 in x 14.00 in x 22.00 in