---
product_id: 563759547
title: "Speaker Absorbing Polyester Fiber 100x50x5CM Sound Absorber Acoustic Insulation Material Subwoofer Damping HiFi DIY Repair Audio Interior Replacement"
brand: "ccecce"
price: "€ 28.14"
currency: EUR
in_stock: true
reviews_count: 8
category: "C Ce C Ce"
url: https://www.desertcart.ie/products/563759547-speaker-absorbing-polyester-fiber-100x50x5cm-sound-absorber-acoustic-insulation-material
store_origin: IE
region: Ireland
---

# 30x15x1.5in precise fit Boosts bass, cuts harmonics High-density polyester fiber Speaker Absorbing Polyester Fiber 100x50x5CM Sound Absorber Acoustic Insulation Material Subwoofer Damping HiFi DIY Repair Audio Interior Replacement

**Brand:** ccecce
**Price:** € 28.14
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your bass game—because your sound deserves the spotlight!

## Quick Answers

- **What is this?** Speaker Absorbing Polyester Fiber 100x50x5CM Sound Absorber Acoustic Insulation Material Subwoofer Damping HiFi DIY Repair Audio Interior Replacement by ccecce
- **How much does it cost?** € 28.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/563759547-speaker-absorbing-polyester-fiber-100x50x5cm-sound-absorber-acoustic-insulation-material)

## Best For

- ccecce enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Smart & Safe:** Non-toxic, flame-retardant polyester fiber for worry-free installation
- • **Volume Amplifier:** Increases equivalent speaker volume by 20% for immersive audio
- • **Transform Your Soundstage:** Absorbs multiple harmonics for crystal-clear bass impact
- • **DIY Audio Upgrade Essential:** Perfect for subwoofer damping and home theater sound enhancement
- • **Precision Engineered Dimensions:** 30x15x1.5 inches tailor-made for seamless speaker integration

## Overview

The CCeCCe Speaker Absorbing Polyester Fiber is a 30x15x1.5 inch high-density, flame-retardant polyester composite designed to line speaker interiors. It absorbs unwanted harmonics, enhances bass clarity, and increases effective speaker volume by 20%, making it an essential upgrade for audiophiles and DIY home theater builders seeking professional-grade acoustic insulation.

## Description

Speaker-specific sound-absorbing cotton,made of high-density polyester fiber composite material,non-toxic, environmentally friendly and flame retardant.Attached to the inner wall of the speaker,absorb the multiple harmonics generated by the speaker cabinet and enhance the Bass effect,making the bass clean and powerful.Filling the sound absorbing cotton can increase the equivalent volume by about 20%, and significantly improve the low frequency elasticity

Review: Perfect for my sub enclosure - As advertised
Review: Worked great in my DIY Home Theater Subs!!! - I had trouble finding any sound insulation for speakers/subwoofers, but took the chance on this product and I'm gald that I did! I built 2 replica SVS PB-3000 subwoofers in 2024(see my build vids on YouTube), and used about 4 packs of this material, and the results were great!

## Features

- Package include : 1pc Sound Absorbing Cotton
- Size : 1m x 0.5m x 0.05m 30 in x 15 in x 1.5in ( LxWxTHK)
- Material : polyester fiber composite
- Sound absorbing,non-toxic,flameresistant material.
- Attached to the inner wall of the speaker, which can absorb the multiple harmonics generated by the speaker cabinet and enhance the Bass effect, making the bass clean and powerful.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CCeCCe |
| Item Thickness | 1.5 Inches |
| Manufacturer | CCeCCe |
| Material | Polyester |
| Product Dimensions | 30"L x 15"W |
| Recommended Uses For Product | speaker sound insulation, audio system enhancement |

## Product Details

- **Material:** Polyester
- **Brand:** CCeCCe
- **Item Thickness:** 1.5 Inches
- **Recommended Uses For Product:** speaker sound insulation, audio system enhancement
- **Product Dimensions:** 30"L x 15"W

## Images

![Speaker Absorbing Polyester Fiber 100x50x5CM Sound Absorber Acoustic Insulation Material Subwoofer Damping HiFi DIY Repair Audio Interior Replacement - Image 1](https://m.media-amazon.com/images/I/41t3xDVRhpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my sub enclosure
*by B***L on May 12, 2025*

As advertised

### ⭐⭐⭐⭐⭐ Worked great in my DIY Home Theater Subs!!!
*by B***D on March 1, 2025*

I had trouble finding any sound insulation for speakers/subwoofers, but took the chance on this product and I'm gald that I did! I built 2 replica SVS PB-3000 subwoofers in 2024(see my build vids on YouTube), and used about 4 packs of this material, and the results were great!

### ⭐⭐⭐⭐⭐ Helps direct the sound forward instead of into the dash
*by J***E on October 2, 2025*

Used behind my speakers in the dashboard & the overhead soundbar. Makes a big difference in the sound quality.

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-24*