--- product_id: 393727115 title: "4 Pack Self Adhesive Car Universal Foam Speaker Enhancer System Kit for 6inch and 6.5 inch Speaker" brand: "cenpek" price: "Rp1349699" currency: IDR in_stock: true reviews_count: 13 category: "Cenpek" url: https://www.desertcart.id/products/393727115-4-pack-self-adhesive-car-universal-foam-speaker-enhancer-system store_origin: ID region: Indonesia --- # Fits 6-6.5 inch speakers perfectly Reduces vibration & sound echo Self-adhesive foam for easy install 4 Pack Self Adhesive Car Universal Foam Speaker Enhancer System Kit for 6inch and 6.5 inch Speaker **Brand:** cenpek **Price:** Rp1349699 **Availability:** βœ… In Stock ## Summary > πŸ”Š Elevate your ride’s sound game β€” don’t just hear it, feel it! ## Quick Answers - **What is this?** 4 Pack Self Adhesive Car Universal Foam Speaker Enhancer System Kit for 6inch and 6.5 inch Speaker by cenpek - **How much does it cost?** Rp1349699 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/393727115-4-pack-self-adhesive-car-universal-foam-speaker-enhancer-system) ## Best For - cenpek enthusiasts ## Why This Product - Trusted cenpek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Superior Acoustic Sealing:** Blocks back waves and door echoes to deliver crystal-clear, immersive sound inside your vehicle. - β€’ **Effortless Self-Adhesive Installation:** Peel-and-stick foam rings make upgrading your sound system a quick, tool-free experience. - β€’ **Precision Fit for 6-6.5 Inch Speakers:** Optimized dimensions (19.5cm OD, 14.5cm ID) ensure seamless compatibility with most car audio setups. - β€’ **Vibration Dampening for Cleaner Audio:** Foam material absorbs panel vibrations, preventing distortion and enhancing bass clarity. - β€’ **Universal Compatibility & Lightweight Design:** Works with dynamic drivers in cars, boosting stereo sound without adding bulk or complexity. ## Overview This 4-pack of self-adhesive foam speaker enhancer rings is designed for 6 to 6.5 inch car speakers, providing an easy-to-install solution that acoustically seals speakers, reduces vibration, and minimizes sound echo inside your vehicle. Crafted from durable foam, these universal spacer rings improve audio clarity and bass response, making every drive a premium listening experience. ## Description 4 Pack Self Adhesive Car Universal Foam Speaker Enhancer System Kit for 6inch and 6.5inch Speaker, Speaker Insulation Ring Soundproof Cotton PadProduct Description:Outside Diameter: 19.5cm/7.68inch; Inner Diameter:14.5cm/5.71inch; Height: 2.5cm/0.98inch.Universal Foam Spacer Rings for Round Speakers,package Includes:2x Speaker Soundproof Ring.Acoustically seal the speaker for better sound performance.Absorb the back wave, prevent the front and back waves from offsetting and reduce the panel vibration.Prevent the sound quality from spreading, absorb the echo of the door, enhance the sound effect of the horn, enhance the sound effect in the car, and seal the vibration.Specification:Color: As Pic ShownMaterial:FoamOutside Diameter:19.5cm/7.68inchInner Diameter: 14.5cm/5.71inchHeight:2.5cmPacking List:4 x Soundproof Cotton Pads Review: Great for after market speaker fitment - Perfect for directing the speaker sound in to the car correctly Review: Foam speaker enhancer - Easy fit reduce vibrations ## Features - Outside Diameter: 19.5cm/7.68inch; Inner Diameter:14.5cm/5.71inch; Height: 2.5cm/0.98inch. - Universal Foam Spacer Rings for Round Speakers,package Includes:2x Speaker Soundproof Ring. - Acoustically seal the speaker for better sound performance. - Absorb the back wave, prevent the front and back waves from offsetting and reduce the panel vibration. - Prevent the sound quality from spreading, absorb the echo of the door, enhance the sound effect of the horn, enhance the sound effect in the car, and seal the vibration. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09FXN2JJD | | Antenna Location | Enhancing car audio system performance, reducing vehicle interior noise | | Audio Driver Size | 6.5 Inches | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Stereo | | Box Contents | 4 x Soundproof Cotton Pads | | Brand Name | CENPEK | | Colour | black | | Compatible Devices | Desktop, Gaming Console, Home Theater, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television | | Compatible with Vehicle Type | Car | | Connectivity Protocol | Aux | | Control Method | Touch | | Controller Type | ring | | Country of Origin | China | | Customer Package Type | Air Free Package | | Customer Reviews | 4.3 4.3 out of 5 stars (127) | | Enclosure Material | Foam | | Is Waterproof | False | | Item Dimensions D x W x H | 2.5D x 19.5W x 2.5H centimetres | | Item Weight | 0.23 Kilograms | | MP3 player | No | | Manufacturer | CENPEK | | Model Name | FR-51 | | Model Number | FR-51 | | Mounting Type | Flush Mount | | Network Connectivity Technology | Wired | | Number of Audio Channels | 2.0 | | Number of Items | 1 | | Power Source | dc power supply | | Product Features | Soundproof Ring | | Speaker Size | 6.5 Inches | | Speaker Type | 2-way car speaker | | Specific Uses For Product | car sound improvement | | Subwoofer Connectivity Technology | Wired | | Tweeter Diameter | 1 Inches | | UPC | 758890196272 | | Warranty Type | Limited | | Water Resistance Level | Waterproof | | Wireless Technology Type | No Wireless Communication Technology | | Woofer Driver Diameter | 6.5 Inches | ## Product Details - **Audio output mode:** Stereo - **Brand:** CENPEK - **Compatible devices:** Desktop, Gaming Console, Home Theater, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television - **Connectivity technology:** Wired - **Material:** Foam - **Model name:** FR-51 - **Mounting type:** Flush Mount - **Recommended uses for product:** Enhancing car audio system performance, reducing vehicle interior noise - **Speaker type:** 2-way car speaker - **Special feature:** Soundproof Ring ## Images ![4 Pack Self Adhesive Car Universal Foam Speaker Enhancer System Kit for 6inch and 6.5 inch Speaker - Image 1](https://m.media-amazon.com/images/I/51YUh5ME3oL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for after market speaker fitment *by M***D on 6 April 2026* Perfect for directing the speaker sound in to the car correctly ### ⭐⭐⭐⭐⭐ Foam speaker enhancer *by S***T on 23 March 2026* Easy fit reduce vibrations ### ⭐⭐⭐⭐ Good but not very sticky *by V***N on 4 April 2026* Adhesive leaves something to be desired, but once they actually stick, pretty effective --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.id/products/393727115-4-pack-self-adhesive-car-universal-foam-speaker-enhancer-system](https://www.desertcart.id/products/393727115-4-pack-self-adhesive-car-universal-foam-speaker-enhancer-system) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-07-03*