Search  for anything...
RonDexy

RonDexy RDBB-5600 Bass Blocks 7UF Designed to Protect Car Audio Tweeters, Eliminate Frequencies 0-5.6kHz at 4Ohms, Pair

  • Based on 155 reviews
Condition: New
Checking for the best price...
$8.99 Why this price?
Save $7.00 was $15.99

Buy Now, Pay Later

As low as $2 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Oct 20 – Oct 21
Order within 23 hours and 57 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Size: Protect Tweeter


Features

  • 1. Shields car audio tweeters from harmful frequencies. Two 5600Hz bass blockers (attached 6" speaker wires on both ends)
  • 2. Frequency range blocked: 4 ohms: 0-5600 Hz / 8 ohms: 0-2800 Hz
  • 3. Capable of handling up to 50 watts of power.
  • 4. Equipped with black color-coded leads for easy identification and comes encased with wire leads for straightforward installation. Black wire is negative.
  • 5. Optimized to improve tweeter performance and power handling by filtering out frequencies beyond their range.

Description

RonDexy RDBB-5600 Bass Blocks 7UF Designed to Protect Car Audio Tweeters, Eliminate Frequencies 0-5.6kHz at 4Ohms, Pair

Brand: RonDexy


Speaker Maximum Output Power: 50 watts


Frequency Response: 5600 hertz


Connectivity Technology: RCA


Audio Output Mode: Stereo


Audio Output Mode: Stereo


Mounting Type: Car Mount


Speaker Type: Tweeter


Antenna Location: For car audio


Color: black


Is Waterproof: False


Warranty Type: Limited


Control Method: Touch


Speaker Size: 3 inches


Water Resistance Level: Not Water Resistant


Specific Uses For Product: Car audio system


Speaker Maximum Output Power: 50 watts


Number of Power Levels: 1


Item Dimensions D x W x H: 2"D x 3"W x 3"H


Item Weight: 0.02 kg


Compatible Devices: MP3 Player


Compatible with Vehicle Type: Car


Audio Driver Type: Dynamic Driver


Number Of Circuits: 1


Brand: RonDexy


Model Number: RDBB5600


Model Name: RonDexy RDBB-5600 Bass Blocks 7UF Designed to Protect Car Audio Tweeters, Eliminate Frequencies 0-5.6kHz at 4Ohms, Pair


Built-In Media: Bass blockers with wire leads


Warranty Description: 1 YEAR


Number of Items: 2


Manufacturer: RonDexy


Age Range Description: Adult


Frequency Response: 5600 hertz


Impedance: 4 ohm


Connectivity Technology: RCA


Wireless Technology: No Wireless Communication Technology


Connectivity Protocol: Wired


Power Source: Car Battery


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 20 – Oct 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Does what it needs to do
Size: Protect 6''-6.75'' Speaker
Definitely helped with making my front dash speakers sound clearer at higher volumes. Before installing these, even at medium volume my speakers would distort. It was easy to install and I think it’s good value for money. Definitely recommend.
Reviewed in the United States on September 7, 2026 by Steven Nieves
    • Great product! Does exactly what its supposed to!
Size: Protect 8''-12'' speaker
First level 6db high pass filter. This is in effect a PASSIVE crossover and works EXACTLY as they should. Good product, good price! I used a pair of 150Hz and a pair of 600Hz filters on each of my two 2023 Broncos (2-door & 4-door) with the 7-speaker systems when I changed out all the speakers for Hertz Cento 4" and 6.5" in the 4-door soft top and Infinity Reference 4" and 6.5" in the 2-door hard top. The 4" dash speakers (no matter what brand) SHOULD NOT be trying to reproduce frequencies below 600Hz. I tried 150, 300 and 600Hz filters with the OEM, Hertz and Infinity speakers and I was getting distortion until I installed the 600Hz filters. Its also ridiculous to be wasting power trying to reproduce frequencies with teeny tiny speakers that are never going to reproduce those lower frequencies. I replaced both rear speaker pod sets with 6.5" MTI (4-door "raptor", Hertz Cento C165) and SSV (2-door, Infinity Reference coax) using 150Hz filters. First, its not reasonable to expect 6.5" speakers to reproduce frequencies below the low 100Hz's, so again, why waste power trying to reproduce frequencies the speakers can't? Second, the "low pass" on the OEM subwoofer is about 150Hz, so this is reasonably close to the frequency you'd want to set your cross-over point between the sub and rear pod speakers to in the first place. I didn't use filters on the kick panel speakers of the 2-door and retained the OEM speakers because I couldn't justify the added expense. Upgrading them does make a difference, just not enough for me with this particular vehicle. I DID replace the kick panel speakers with Hertz Cento C165 6.5" speakers but without filters on the 4-door. Now, AFTER all this with the 4-door, I started over and installed an active amplified dsp system. Same Hertz Cento speakers, Musway M5, P2, DS18 8" subwoofer and a lot of misc pieces and parts. Besides the days of time involved, this cost FOUR TIMES the above and was only a very MINOR improvement, unnoticeable to the overwhelming majority of people. DO NOT let people con you! YOU WILL NOT get $2000+ worth of improvement over just replacing the speakers and adding the RonDexy filters! For a relatively small cost (compared to an active system), I got a 10x improvement in both of my Broncos! If I need these again, I'll definitely buy again! ... show more
Reviewed in the United States on September 28, 2025 by Amazon Customer
    • Working well for me
Size: Protect 6''X9'' Speaker
I put these on my dash coax speakers that run in parallel with my doors with mid-bass. It balances the sound nicely. The six inch length and terminated wires make it simple to install and flexible to position.
Reviewed in the United States on September 6, 2026 by Evan R
    • Easy to install and use
Size: Protect 8''-12'' speaker
Worked as they should. At higher outputs/volume, they don’t block every single signal but they definitely make a very big difference. For low cost blockers they get the job done.
Reviewed in the United States on April 14, 2026 by Riz
    • Worked fine, connection leads were perfect to use without any soldering on my 3.5" speakers
Size: Protect 6''X9'' Speaker
Worked perfectly, attached nicely to a Metra harness fitting between the speaker connections and the connections on the Metra leads. No soldering required! I used this on Kicker 43DSC3504 DS Series 3-1/2" 2-way car speakers installed as Subaru dash speakers. Although the description says for 6x9 speakers, you can use them for any speakers where you want to limit bass frequencies. ... show more
Reviewed in the United States on October 1, 2026 by RK
    • A surprisingly effective upgrade for a Jeep Wrangler TJ audio system
Size: Protect 8''-12'' speaker
As many Wrangler TJ owners know, achieving good sound quality in a vehicle with a soft top, removable doors, road noise, wind noise and limited speaker locations is a real challenge. I installed these bass blockers on a pair of small Hertz speakers and the improvement exceeded my expectations. By preventing low frequencies from reaching speakers that simply cannot reproduce deep bass efficiently, the entire system became cleaner, more dynamic and noticeably more refined. The midrange gained clarity, vocals became easier to understand, and the speakers no longer struggle with bass notes that are better handled elsewhere. Distortion at higher volume levels was reduced significantly, allowing the system to play louder while remaining controlled and musical. In my setup, bass duties are handled by a dedicated subwoofer, and these bass blockers helped create a much better integration between the subwoofer and the main speakers. Instead of trying to force small drivers to do everything, each component now operates in the frequency range where it performs best. The components themselves appear well-made and professionally assembled. For anyone building or improving an audio system in a Jeep Wrangler TJ, especially when using smaller speakers together with a subwoofer, I consider these bass blockers an excellent and cost-effective upgrade. Highly recommended. ... show more
Reviewed in the United States on June 17, 2026 by Joanna
    • RDBB-150 on 4ohm 2-way wall speakers
Size: Protect 8''-12'' speaker
My mids are singing now. I knew these two-way speakers didn't suck, the bass was just stealing all the power from them. Super easy install, really satisfied.
Reviewed in the United States on September 9, 2026 by Ember Rayne
    • Inexpensive crossover for tiny speakers
Size: Protect 8''-12'' speaker
They are doing their job well.
Reviewed in the United States on September 18, 2026 by pedro quiroga

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...