---
product_id: 333740355
title: "Car Door Fast Rings Foam Bass Blockers, Universal Speaker Enhancer System Kit for 6\" and 6.5\" Speakers - 2 Pcs, Self Adhesive"
brand: "benliudh"
price: "¥3533"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/333740355-car-door-fast-rings-foam-bass-blockers-universal-speaker-enhancer
store_origin: JP
region: Japan
---

# 360° surround mid-bass boost Perforated design for water drainage 7.68in outer diameter precision fit Car Door Fast Rings Foam Bass Blockers, Universal Speaker Enhancer System Kit for 6" and 6.5" Speakers - 2 Pcs, Self Adhesive

**Brand:** benliudh
**Price:** ¥3533
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your ride’s bass game with precision foam tech!

## Quick Answers

- **What is this?** Car Door Fast Rings Foam Bass Blockers, Universal Speaker Enhancer System Kit for 6" and 6.5" Speakers - 2 Pcs, Self Adhesive by benliudh
- **How much does it cost?** ¥3533 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/333740355-car-door-fast-rings-foam-bass-blockers-universal-speaker-enhancer)

## Best For

- benliudh enthusiasts

## Why This Product

- Trusted benliudh brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enhanced Bass Chamber Effect:** Transforms your car audio with richer, deeper bass
- • **Water-Resistant Perforations:** Keeps your speaker safe from moisture damage
- • **EPDM Foam for Noise Isolation:** Blocks unwanted vibrations and sound leakage effectively
- • **Easy Self-Adhesive Installation:** Upgrade your sound system in minutes without tools
- • **Universal Fit for 6" & 6.5" Speakers:** Stretch or trim foam for a perfect seal every time

## Overview

These universal foam bass blockers fit 6" and 6.5" car door speakers, using high-purity EPDM foam to reduce noise transmission and panel vibrations. Their perforated design prevents water buildup, while the foam acts as an acoustic chamber to enhance mid-bass clarity and depth. Self-adhesive and easy to install, this 2-piece kit is a must-have upgrade for audiophiles seeking immersive in-car sound.

## Description

Car Door Fast Rings Foam Bass Blockers, Universal Speaker Enhancer System Kit for 6" and 6.5" Speakers - 2 Pcs, Self Adhesive

## Features

- Outside diameter: 7.68 inches; inside diameter: 5.9 inches; height: 1 inches. Specially designed foam for car door speakers.
- Universal foam speakers gasket ring: ring kit for 6" and 6.5" speakers, These are foam so they're over/under sized, you can stretch or cut to fit.
- Package includes: 2 loudspeaker soundproof rings, This kit is for 2 speakers, you would need to buy 2 packs for 4 speakers.
- High purity EPDM is adopted to effectively prevent noise transmission, and the perforation design can effectively discharge the infiltrated water, acoustically sealed loudspeakers for better sound quality.
- After installation: you can enjoy 360-degree surrounding mid-bass in your car, Bass feels better because this foam works as a chamber for the speakers, enhancing the feel, while reducing the vibration since sound is no longer directory bouncing of the metal frame. Absorbs rear Wave, prevents front and rear Wave cancellation and reduces panel vibrations.

## Product Details

- **Brand:** BENLIUDH
- **Connectivity Technology:** Bluetooth
- **Audio Output Mode:** Stereo
- **Mounting Type:** Adhesive,Car Mount,Door Mount
- **Material:** EPDM synthetic rubber

## Images

![Car Door Fast Rings Foam Bass Blockers, Universal Speaker Enhancer System Kit for 6" and 6.5" Speakers - 2 Pcs, Self Adhesive - Image 1](https://m.media-amazon.com/images/I/71Xdy7nuDOL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- BENLIUDH Car Door Speaker Fast Rings Foam Bass Blockers, Car Universal Foam Speaker Enhancer System Kit for 6" and 6.5" Speaker 2 Pcs - Self Adhesive
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**Shop now:** [https://www.desertcart.jp/products/333740355-car-door-fast-rings-foam-bass-blockers-universal-speaker-enhancer](https://www.desertcart.jp/products/333740355-car-door-fast-rings-foam-bass-blockers-universal-speaker-enhancer)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-30*