Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car - Car Subwoofers | Mubboo
Rockville

Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car

Audio Subwoofer, CEA-Rated, OFC 2" Voice Coils, Double 66oz Magnet, Cast Aluminum Basket, for Car Audio…

$64.95$140Save 54%4.6(825 reviews)
Mubboo Score A
Buy on Amazon $64.95

Price as of 2026-06-03. Check Amazon for the current price.

Quick Decision

Mubboo Score
A
Best For
Budget-conscious shoppers
Reviews
825+ · reasonably reliable

Price Intelligence

📊 In Car Subwoofers, this is a budget pick.
  • Budget:$65–$108← You are here
  • Mid-range:$108–$201
  • Premium:$201+

Is This Right For You?

✅ Great for
  • Budget-conscious shoppers — priced below 97% of Car Subwoofers
  • Those who want a top-rated option — in the top 13% of Car Subwoofers by rating
  • Rockville loyalists — the brand spans 26 products in our database
💡 Consider instead
  • Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car — higher rated at 4.7/5 ($95)

📊 Based on data analysis of 31 products in this category.

Mubboo Score: A

Quality9.2/10
based on 4.6/5 customer rating
Popularity8.0/10
825 reviews, top 29% in Car Subwoofers
Value9.7/10
priced below 97% of Car Subwoofers
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other Car Subwoofers

Computed from live Amazon rating, review count, and price across 31 Car Subwoofers available to US consumers · last refreshed 2026-06-03.

How It Compares

This Product
Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car
Most Popular
Skar Audio SVR-12 D2 12" 1600 Watt Max Power Dual 2 Ohm Car
Best Rated
PIONEER A-Series TS-A2500LS4 10” Subwoofer
Best Value
Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car
Price$64.95$144.49$113$95.19
Rating4.6/54.5/54.6/54.7/5
Reviews8251,6395001,473
Mubboo ScoreAAAA+

Quick Specs

Color
Black
Impedance
4 Ohms
MP3 player
No
Unit Count
1.0 Count
Item Weight
12 Pounds
Manufacturer
Rockville
Model Number
W65K9D4
Power Source
Corded Electric

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Pair with a quality amplifier and properly tuned enclosure for the best sound, and break them in slowly. Be cautious with power levels as some units have failed under rated power; conservative gain settings are recommended.

Praised for
  • Value for Money
  • Powerful Bass Output
  • Clean Sound Quality
  • Build Quality
Common complaints
  • Voice Coil Failure
  • Misleading Power Ratings
  • Mounting Depth Issues

Key Features

  • POWERFUL BASS OUTPUT: 1000W peak, 500W program, and 250W RMS (CEA-rated) deliver deep, distortion-free low frequencies for impactful car audio.
  • PREMIUM VOICE COILS: 2" 4-layer ASV coils wound with OFC wire (USA-made) handle high heat up to 180 degree C for stable, reliable performance.
  • HEAVY-DUTY MAGNET: Double-stacked 66 oz magnet with high BL motor gap ensures strong output and tight bass response.
  • DURABLE DESIGN: Black non-pressed paper cone with black stitching, thick foam surround, and polypropylene dustcap for strength and accuracy.
  • ENGINEERED FOR PERFORMANCE: Cast aluminum basket with vented T-yoke for heat dissipation, 82.1dB sensitivity, 52Hz-800Hz frequency response, and 4.17" mounting depth.

Source: product listing on Amazon.

About Rockville

  • 26 products in our database
  • Average rating: 4.3/5 across all products
  • Price range: $19.50$369.95
  • Categories: Bookshelf Speakers, Car Subwoofers, home-theater-systems, marine-electronics, speakers

If not the W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car, consider these

Higher rated
Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer - Car Subwoofers | Mubboo
Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car
$95.19 · 4.7 (1,473)
4.7★ vs 4.6★ — rated 0.1 higher by 1,473 reviewers
🔥 Most popular
Skar Audio EVL-12 D2 12" 2500 Watt Max Power Dual 2 Ohm Car Subwoofer - Car Subwoofers | Mubboo
Skar Audio EVL-12 D2 12" 2500 Watt Max Power Dual 2 Ohm Car
$220.99 · 4.6 (4,257)
4,257 reviews — 5.2× more than the W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car
See all Car Subwoofers

Bottom Line

Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car earns Mubboo Score A. Priced at $65 — a budget-friendly option, below the category average of $172. Rated 4.6/5 from 825+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.

Buy on Amazon $64.95Last verified: 2026-06-03

Frequently Asked Questions

Is the Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car worth buying in 2026?

It earns a Mubboo Score of A, with a 4.6/5 rating from 825 reviews — better than 87% of Car Subwoofers we track.

How much does the Rockville W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car cost?

It is currently $64.95 — budget-tier pricing for Car Subwoofers.

How does the W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car compare to other Car Subwoofers?

The category's most-reviewed alternative is the Skar Audio SVR-12 D2 12" 1600 Watt Max Power Dual 2 Ohm Car (4.5/5, 1,639 reviews, $144.49). The W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car carries a Mubboo Score of A vs A.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-03) and may change.