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

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$109.95

$ 51 .99 $51.99

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About this item

  • Rockville DV8K52 Dual 8" K5 1600w Car Subwoofers Pre-loaded In Vented Sub Enclosure.
  • Features:.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).



Product Description

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

DV8K52

Features:

  • 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

mal lambert
Reviewed in the United States on July 3, 2024
I was surprised on these little rascals. I'm an Old Head from Miami that grew on bass. I've had or new someone with every woofer made. I must say i am quit happy with two little 8s. Its best to add some insulation to the inside of the box .Insulation materials like foam and fiberglass minimize distortion and resonance, optimizing bass frequencies for precise and clear sound. For those who don't know.
Gerald D Hogue Jr
Reviewed in the United States on June 6, 2024
To big
Matthew
Reviewed in the United States on March 4, 2024
Rockville is known for a bad reputation, but these are surprisingly good. I have the dual 8 inch version and for the price they have done great. Great sound quality and very nice box
Robert Little
Reviewed in the United States on September 7, 2023
i bought it for my pontoon boat that hooked it to my house stereo and liked it so much that's where it staying
Pia
Reviewed in the United States on September 12, 2023
Sounds good, don’t put the boss 1100 to it though it makes it sound weird.(and damaged my one box) so I bought two and hooked it up to the boss 3000 wat, and it’s crazy, they sound good for a good price, and are good quality, and fit in the trunk of my compact Chevy cobalt, so there good size, installation is easy but just make sure you’re using the proper grade wire and, 8 gauge for sub, an .0 gauge for the power, better to over do then under do, it peaks a 1500 watts and the boss amp i bought says 3000 but is more like 2500, I never was able to make them peek at the advertised specs.
Ron
Reviewed in the United States on August 21, 2023
Went from duel 12inch Jensens to these duel 8 inch Rockville hands down sounds 10 times better these little 8s kick hard and bring out more bass the Jensens didn't even notice totally worth every penny will definitely be buying some more In the 4000 watt range (running Jensen 1000 watt mono Amp with these very clean)
James Ingram
Reviewed in the United States on October 1, 2022
These 8" subwoofers really rock! The speaker box was bigger than I expected also. Very nice speakers for the money. Highly recommend.
Keith
Reviewed in the United States on September 2, 2021
I bought this to install in my 2015 Kia Optima. I've never had subs before, but decided I was going to try and figure out how to install them myself (with the help of many good YouTube tutorials). I'm not going to lie, the install process was not easy for a first-timer like myself, but I got it done and now they sound great!I paired them with a Boss 1100 Watt Amp (825 Watt RMS) and TOPSTRONGGEAR Amp wiring kit (4 gauge). A lot of the negative reviews I saw online seemed like things that were probably just caused by bad wiring. Then I noticed that most of Amazon's top selling amp wiring kits (including the Boss Wiring Kit that had an avg 4.5 rating!) had a bunch of really terrible reviews about power wires skimping on the gauge. So I opted to play it safe and got a higher quality wiring kit (and 4 gauge power wires which was definitely overkill).A note about the install process: Don't listen to videos that say this will only take 2-3 hours. Just getting everything hooked up took me almost my entire weekend. Then my amp kept going into Protection Mode and I eventually realized it was just because I hadn't grounded it well enough. Apparently you have to be VERY good about sanding off all of the paint on something like a seat-bolt to get a good enough connection.