Rockville W12K9D4 12" 4000w Car Subwoofer+Sealed Box+Mono Amplifier+Amp Kit

  • Package Includes: Rockville W12K9D4 12\" 4000 Watt Dual 4-Ohm Car Subwoofer - CEA Compliant + Rockville dB14 4000 Watt Peak 2000 Watt RMS Mono Class D Car Amplifier + Rockville RWK41 4 Gauge 2 Channel Complete Car Amplifier Installation Kit With A Set of High Grade Twisted Pair RCA Cables + Rockville RS12B Single 12\" 1.0 cu.ft. Bedlined Sealed Subwoofer Enclosure Box + Single Enclosure Wire Kit With 14 Gauge Speaker Wire + Screws + Spade Terminals
  • Rockville W12K9D4 K9 Series 12\" Dual 4-Ohm Car Subwoofer. Peak Power Handling: 4000 Watts. Program Power Handling: 2000 Watts . CEA Rated RMS Power Handling: 1000 Watts . 3\" 4-Layer Black Aluminum Voice Coils Wound with OFC Wire Made in USA. This voice coil is stable up to 240 degrees celcius! The voice coil windings are made in the USA!. Double Stacked 190 Oz High Quality Magnet. XMAX: 28MM
  • Rockville dB14 4000 Watt/2000 Watt RMS Mono Class D 2 Ohm Car Amplifier With Optical Coupler Technology. 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: 1000 Watts x 1 Channel <1% THD+N. - 4 Ohm: 600 Watts x 1 Channel <1% THD+N.
  • 1 – 17’ High Grade Twisted Pair of 100% Copper RCA Cable. 17’ – 4 Gauge Translucent Blue SuperFlex Power Cables. 17’ – 18 Gauge Blue Remote Cable. 17’ – 16 Gauge Clear Speaker Wire. 3’ – 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7’ Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets.
  • Rockville RS12B Single 12” 1.0 cu.ft. Bedlined Sealed Subwoofer Enclosure Box. 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 extra durable adhesion. High quality GOLD screw down terminals.
Retail Price: $64.99
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Product Description

Package Includes:

  • (1) Rockville 12" Car Audio Subwoofer Dual 4-Ohm Sub
  • (1) Rockville Single 12” 1.0 cu.ft. Bedlined Sealed Subwoofer Enclosure Box
  • (1) Rockville dB14 4000 Watt/2000w 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

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Rockville W12K9D4 12" 4000w Car Subwoofer+Sealed Box+Mono Amplifier+Amp Kit

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Features of W12K9D4:

  • Rockville W12K9D4 K9 Series 12" Dual 4-Ohm Car Subwoofer
  • Peak Power Handling: 4000 Watts
  • Program Power Handling: 2000 Watts   
  • CEA Rated RMS Power Handling: 1000 Watts 
  • 3" 4-Layer Black Aluminum Voice Coils Wound with OFC Wire Made in USA
  • This voice coil is stable up to 240 degrees celcius! The voice coil windings are made in the USA!
  • Double Stacked 190 Oz High Quality Magnet
  • Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight
  • Two Chrome-Plated Binding Post Terminals
  • Black Non-Pressed Paper Cone With Beautiful Finish
  • Our cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power.
  • Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion

TS Parameters:

4-Ohm Parallel:

  • Fs: 38.09 Hz
  • Qms: 8.28
  • Cms: 0.0708 mm/N
  • Bl: 10.90 N/A
  • Zmin: 2.69 Ω
  • Re: 2.20 Ω
  • Qes: 1.09
  • Mms: 246.6818 g
  • dBspl: 83.45
  • L1kHz: 1.82 mH
  • Sd: 527.1784 cm²
  • Qts: 0.97
  • Rms: 7.13 Ωm
  • VAS: 27.4719 L / .97 cu ft
  • L10kHz: 0.69 mH

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Features of DB14:

  • Rockville dB14 4000 Watt/2000 Watt RMS Mono Class D 2 Ohm Car Amplifier With Optical Coupler Technology
  • 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: 1000 Watts x 1 Channel <1% THD+N - 4 Ohm: 600 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: 2000 Watts x 1 Channel - 4 Ohm: 1200 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: 4000 Watts x 1 Channel - 4 Ohm: 2400 Watts x 1 Channel
  • High-Speed MOSFET Power Supply
  • Optical Coupler Class “D” Technology
  • Fully Adjustable 12dB / Octave Crossover with Differential Circuitry
  • Low Pass Filter: 50Hz - 250Hz
  • Subsonic Filter: 15Hz - 55Hz
  • Phase Control Switch
  • Full IC-Controlled Protection Circuitry
  • Remote Dashboard Subwoofer Control
  • Fully Adjustable 12dB Bass Equalizer

  • Mute and Delay Soft Start System
  • RCA Preamp Line Output
  • 8 Volt Preamp Circuitry
  • Status Mode LED Indicator
  • Minimum THD at Rated Power: <0.1%
  • S / N Ratio: >90dB
  • Under Voltage Protection at 10V
  • Over Voltage Protection at 16V
  • Frequency Response: 15Hz - 250Hz
  • Damping Factor: >150 @ 100Hz
  • 100 Amp Maxi Fuse
  • Dimensions: (W x H x L) 9" x 2.4" x 15.5"

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Features of RWK41:

  • 1 – 17’ High Grade Twisted Pair of 100% Copper RCA Cable

  • 17’ – 4 Gauge Translucent Blue SuperFlex Power Cables
  • 17’ – 18 Gauge Blue Remote Cable
  • 17’ – 16 Gauge Clear Speaker Wire
  • 3’ – 4 Gauge Clear SuperFlex Ground Wire
  • Gold Plated AGU Heat Resistant Fuse Holder
  • 60 Amp AGU Gold Plated Fuse
  • 7’ Split Tube Loom

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Features of RS12B:

  • Rockville RS12B Single 12” 1.0 cu.ft. Bedlined Sealed Subwoofer Enclosure Box
  • 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 extra durable adhesion
  • High quality GOLD screw down terminals
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