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Rockville DV8K52 Dual 8" K5 1600w Car Subwoofers+Vented Sub Enclosure Box/2 Ohm

$270.00 $109.95
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Video of K5 Series UPDATED:


  • Rockville DV8K52 Dual 8" K5 1600w Car Subwoofers Pre-loaded In Vented Sub Enclosure
  • Peak Power Handling: 1600 Watts
  • Program Power Handling: 800 Watts
  • CEA Rated RMS Power Handling: 400 Watts
  • Final Impedance: 2 Ohm
  • ¾” MDF enclosure
  • Bonded stapled and braced
  • Computer designed vents
  • Angled at 15 % for perfect bass alignment
  • High quality aviation grade tweed carpet
  • Satin Nickel speaker wire push terminals
  • Enclosure air space is 0.8 Cu Ft per sub
  • Vent dimensions (inches): 2.5" x 6.75" x 9.75"
  • Tuning frequency of enclosure: 44 Hz
  • 1.5" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire
  • The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire
  • 30 Oz High Quality Magnet
  • Cast Iron Basket With Black Sanded Finish
  • Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it
  • Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion
  • Blue Stitching Cone Reinforcement Ensures Long Life
  • Polypropylene Dust cap
  • Gold-Plated spring loaded push terminals
  • Impedance: Single 4-Ohm Voice Coils
  • Vented Hole on T-yoke Enhances Heat Dissipation
  • Mounting Gasket with Rockville branding Makes it Easy To Mount the Subwoofer Air-Tight
  • High BL Magnetic Motor Gap
  • High grade black glue that handles extremely high temperatures which allows our woofer to handle even more power
  • Cutout Diameter: 7.16 inches
  • Mounting Depth: 3.54 inches
  • Frequency Response: 44 Hz - 1.3K kHz
  • 5mm T-Yoke + 5mm Washer
  • Sensitivity: 85.7dB
  • Weight: 37.7 Lbs.
  • Dimensions of enclosure: 24.25“x 14.75" x12"
  • Shipping Weight: 43.1 Lbs.
  • Shipping Box Dimensions: 25.4" x 16.1" x 14.1"

Detailed Info of Subwoofer:

  • Body: Non-Pressed Paper
  • Gap Plate Inside Diameter: 60mm (2.36 inches)
  • Gap Plate Outside Diameter: 120mm (4.72 inches)
  • Gap Plate Thickness: 25mm (0.98 inches)
  • Yoke Outside Diameter: 114mm (4.48 inches)
  • Yoke Thickness: 5mm (0.20 inches)
  • Yoke Pole Diameter: 38mm (1.5 inches)

T/S Parameters (Tested on a Klippel):

Electrical Parameters

  • Electrical voice coil resistance at DC: Re 3.43 Ohm
  • Frequency independent part of voice coil inductance: Le 0.899 mH
  • Para-inductance of voice coil: L2 1.32 mH
  • Electrical resistance due to eddy current losses: R2 13.71 Ohm
  • Electrical capacitance representing moving mass: Cmes 610.26 μF
  • Electrical inductance representing driver compliance: Lces 20.57 mH
  • Resistance due to mechanical losses: Res 34.13 Ohm
  • Driver resonance frequency: fs 44.9 Hz

Mechanical Parameters

Using laser

  • Mechanical mass of driver diaphragm assembly including air load and voice coil: Mms 54.697 g
  • Mechanical mass of voice coil and diaphragm without air load: Mmd (Sd) 51.475 g
  • Mechanical resistance of total-driver losses: Rms 2.626 kg/s
  • Mechanical compliance of driver suspension: Cms 0.229 mm/N
  • Mechanical stiffness of driver suspension: Kms 4.36 N/mm
  • Force factor (Bl product): Bl 9.467 N/A
  • Suspension creep factor: Lambda s 0.046

Loss factors

  • Total Q-factor considering all losses: Qtp 0.538
  • Mechanical Q-factor of driver in free air considering Rms only: Qms 5.879
  • Electrical Q-factor of driver in free air considering Re only: Qes 0.591
  • Total Q-factor considering Re and Rms only: Qts 0.537

Other Parameters

  • Equivalent air volume of suspension: Vas 13.1298 (1)
  • Reference efficiency (2 pi-radiation using Re): n0 0.194 %
  • Characteristic sound pressure level (SPL at 1m for 1W @ Re): Lm 85.07 dB
  • Nominal sensitivity (SPL at 1m for 1W @ Zn): Lnom 85.74 dB
  • Root-mean-square fitting error of driver impedance Z(f): rmse Z 4.04 %
  • Root-mean-square fitting error of transfer function Hx (f): rmse Hx 2.29 %
  • Diaphragm area: Sd 201.06 cm2
  • UPC:
  • 819216024744

WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov

Car Subwoofer Impedance Wiring Guide

Use our car subwoofer and amp wiring diagrams to figure out which amplifier is compatible with your subwoofer(s) and how to wire it properly.

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