Rockville Car Speakers Review – In-Depth Overview, Tips, FAQs & More

Any car speaker enthusiast will know that Rockville is one of the most popular names in the car speaker industry.

To check if its popularity is consistent with its quality or is it just a sham, our team tested Rockville W65K9D4 in detail.

In this post, you’ll get a detailed review of the Rockville speaker with a peek into its features, pros, cons, a buying guide, and much more.

If you’re looking for a subwoofer to increase and volume of your vehicle’s audio system, they can be a great choice. The bass is hi-fi and the mids have great warmth. They have a quality build and can last for quite a time if you take care of them.

Alternate #1

If you’re looking for component speakers for your car, they are among one of the best models in the market. They have an affordable price with decent bass and treble. Also, the speaker is quite efficient.

Alternate #2

They are top-rated coaxial speakers in the market. At a reasonable price, they provide high standard audio. The volume is fairly loud. The speakers are also durable and have a quality build.

Quick Summary of the Main Product

Rockville has introduced car subwoofers of all sizes under the K6 and K9 series. Compared to other models of the same size, these models have gigantic volumes. Rockville W65K9D4 has a rough and tough body made of poly-cotton materials. The cones are sealed with thick foam surrounds.

The speaker basically acts as a subwoofer addition for high volume. It has a power-handling of 250 watts RMS and 1000 watts peak. Fitted in the car, they give rocking audio for music. The mids are absolutely lit up with bright harmonics. We didn’t find any kind of disturbing distortion in the audio.

The bass delivered by the speaker is phenomenal. It goes as low as 36.7 Hz in the frequency range. The speaker has a moderate sensitivity of 85 dB. For this price, we were expecting better efficiency from it. Also, the dome-shaped enclosure helps to diversify the sound output in your vehicle.

The body of the subwoofer is made of a non-pressed magnet. It has a 100-ounce double-stacked magnet with an aluminum voice coil mount wounded with 100% copper. The point is that the materials of the speaker are of exceptional quality. We expect it to last for more than a few years. Overall, its quality and features justify its price.

Features and Benefits

        • Dimensions & Weight

          The Rockville K6 and K9 series come in all sizes: 6.5, 8, 10, 12, 15 inches. Rockville W65K9D4 has a 6.5-inch body and weighs 12 pounds.


          K6 and K9 series have power-handling ranging from 1000 watts to 4000 watts peak power handling. The under-review product peaks at 1000 watts and has 250 watts RMS power. The beauty of the subwoofer speakers is that they provide max volume for lows and mids.


          The body of the speaker is made of non-press paper and polypropylene. Thick foam surrounds the mid-cap. Voice coil has an aluminum wound with copper.


          It is a subwoofer essentially and consists of a subwoofer only with a double-stacked 112-ounce magnet.

          Frequency Response

          The subwoofer responds to frequencies in the range of 27 Hz to 1.5 kHz. It gives your music system a mighty deep bass.


          The speaker has an impedance of 4 ohms and a sensitivity of 85 dB. Both give the speaker a just-good efficiency.

Pros and Cons

Social Proof

We scoured the internet to find out what people were thinking about the speaker. More than 75% of the buyers were completely satisfied with the subwoofer’s working and features. Only 7% of them had problems with it. Most of the people admired the subwoofer’s bass, high volume, durable body, and affordable price. Generally, buyers deem the sound standard to be just okay. Most of the people who were critical about the product experienced technical faults. Some of them also mused that better subs are available in the market at somewhat high prices.

Social Proof

More Recommendations!

#1: Best Component Car Speakers - Rockville RV68 Component Car Audio Speaker Review

Rockville RV can serve as a great replacement for new car component speakers for your vehicle. The package consists of two 6.5-inch speakers, two 1.2-inch tweeters, and two crossovers. Grills for the speakers are also included. 

Sound-wise, they do fine for their price. The bass and treble are satisfactory. They produce mild distortions at loud volumes but that’s not a big issue. They are decently efficient and loud for the given size. The best thing is that they are quite easy to set up.

Features of Rockville RV68 Component Speakers

  • Dimensions: 4.3 x 8.5 x 15.5 inches
  • Weight: 4.9 pounds
  • Two 6.5-inch speakers
  • Two 1.5-inch Piezo tweeters
  • Sensitivity: 91 dB
  • Power-handling: 750 watts peak
  • Ferrite magnet
  • Impedance: 4 ohms

Best Component Car Speakers

The best component car speakers are Rockville RV68 Component Speakers because of their affordable price, decent audio, and loud volume.

#2: Best Coaxial Speakers - JBL GTO629 Premium Speakers Review

JBL GTO629 Premium speakers provide a not-too-expensive co-axial replacement for your factory car speakers. They have a near-to-great sound quality with epic treble and average volume. The speakers give a subwoofer-like experience.

The power of 180 watts peak could have been better. Crossover components are of great quality. In fact, all manufacturing materials used are quite durable.

Features of JBL GTO629 Premium

  • Dimensions: 8.6 x 4.3 x 16.4 inches
  • Weight: 5.8 pounds
  • Mounting depth: 2 inches
  • Power-handling: 45 watts RMS
  • Rotatable UniPivot tweeter
  • 12dB/octave Crossover components

Best Coaxial Speakers

The best coaxial speakers are JBL GTO629 Premium Speakers because of their well-directed sound, loud volume, and strong bass.

Guide to Buy

      • Before buying a car audio speaker for your vehicle in the United States, there are a few things you should always keep in mind. Otherwise, you might end up with something that you’ll regret putting your hand on. Here, we have mentioned all those details and information in detail.

        Type of the Speaker

        Car speakers usually come in 3 types:

      • Component Speakers

        Component speakers have separate woofers and tweeters with crossovers. They give a stereo-like effect to the sound.

        Co-axial Speakers

        Co-axial speakers have all the components aligned along the same axis. They are easy to install and give a uni-directional sound.


        Subwoofers are add-ons to other car audio speakers. They help the speakers with bass and volume.


        While buying a speaker the most common mistake people make is ordering the wrong size. Make sure what size and mounting depth of your speaker is.

        Sound Quality

        There can be a number of issues with the quality of sound of a speaker -it could have distortion, flat bass, dull highs, and low volume. Check the speaker for all of them. The best way is to go through customer reviews.


        The durability of a speaker depends on the quality of materials used and the sophistication of the system. Check the speaker for both of them.


        With different sizes, the speaker also has different powers. The need for power-handling depends on the volume you want and the size of your vehicle. Be careful about that.

Wrapping Things Up

After analyzing Rockville W65K9D4 in detail, our team has come to the conclusion that it is one of the best subwoofers available in a number of sizes in the market. It delivers great volume. It has clean and deep bass. It nails the mids. Also, its body is quite durable. Taking all these factors, into account, we can say that it is reasonable for its price.


  • Victor Marquez

    Victor is the Editor in Chief at Techtyche. He tests the performance and quality of new VR boxes, headsets, pedals, etc. He got promoted to the Senior Game Tester position in 2021. His past experience makes him very qualified to review gadgets, speakers, VR, games, Xbox, laptops, and more. Feel free to check out his posts.

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Rockville Car Speakers Review
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Rockville Car Speakers

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