Alpine Type-R R2-W12D4 12" 750w RMS Subwoofer+Vented Box+Mono Amplifier+Amp Kit

• (1) Alpine 12" Car Audio Subwoofer
• (1) Rockville 12" QBOMB Vented Sub Enclosure Box, Bedliner Finish 1.8 Cu Ft
• (1) Rockville dB13 3000 Watt/1500w RMS Mono Class D 2 Ohm Amplifier Car Audio Amp
• (1) Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit w/RCA's
• 10 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
• 12 Feet of 14 AWG Blue Speaker Wire
• 2 Spade Terminals

Features of R-W12D4:

• Alpine Type-R R-W12D4 12" 750w RMS Dual 4-Ohm Car Audio Subwoofer Sub RW12D4 
• Max RMS Power Capacity: 750W
• Peak Power Capacity: 2,250W
• Santoprene surround
• Kevlar-treated cone
• Dual Voice coil
• 4-Ohm Impedance

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  Video of dB13:

  Features:

• Rockville dB13 3000 Watt/1500w RMS Mono Class D 2 Ohm Amplifier
• CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc.)
  - 2 Ohm: 750 Watts x 1 Channel <1% THD+N
  - 4 Ohm: 450 Watts x 1 Channel <1% THD+N
• RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc.)
  - 2 Ohm: 1500 Watts x 1 Channel
  - 4 Ohm: 900 Watts x 1 Channel
• Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song
  - 2 Ohm: 3000 Watts x 1 Channel
  - 4 Ohm: 1800 Watts x 1 Channel

Owner's Manual

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Video of RWK41:

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Features of RQB12:
• Rockville RQB12 QBOMB Single 12" Vented Subwoofer Enclosure With Rhino Bedliner Finish
• Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs!
• 3/4" USA Heavy Duty MDF Construction
• Machine precision cut mounting holes
• Top of the line Glue for extr