GCI Sound Deadening
Leading sound deadening solution manufacturer
Creating a Quiet Driving Experience

Explore
High quality Sound Deadening
Custom high-end car sound deadening, sound absorption, thermal insulation

Products
Leading sound proof manufacturer
With 10+ years of manufacturing experience, GCI AUDIO specializes in mid-to-high-end car sound deadening

Learn
Hi , welcome to GCI
10+years experiences Sound Deadening Factory

We provide OEM / ODM services supported by a professional design team serving global brands, offering one-on-one customization and branded packaging solutions. With stable quality, fast lead times (about 15 days for selected items), and near-zero after-sales issues, GCI AUDIO is a trusted manufacturing partner for brand owners, distributors, and wholesalers worldwide.

Years Experience
0 +
Export Countries
10 +
Brand Customers
100 +
Designed Cases
1800 +
Modern Factory
10000 ㎡
Products Sold
+

Applications

One-step solutions for premium automotive sound systems
explore

mysteries of Sound Insulation

Stop the Noise and its Source

GCI uses a process called ‘damping’ – which in simple terms – is the process of restraining vibration (noise) by dissipating or using up the energy causing those vibrations. 

Make the noise quiet—with nowhere left to hide.

CGI sound-absorbing materials typically exhibit structural characteristics such as porosity or a fibrous nature. When sound waves enter the pores or interstitial spaces within these materials…

Insulate against heat from the engine and exhaust

GCI heat Insulation mat nearly doubles the total thermal resistance ability. It provides excellent insulation for the roof, firewall, floor, quarter panels, doors, and even under the hood.

GCI strives to create a quieter driving experience

GCI AUDIO focus One-Stop factory solution for premium automotive sound systems. With 10+ years of manufacturing experience in sound deadening product solutions…

Popular Collection

Popular Series

GCI provides complete automotive sound insulation solutions

We specialize in the development and manufacturing of mid-to-high-end automotive vibration damping, sound insulation, sound absorption, and thermal insulation materials, providing comprehensive solutions for vehicle noise control and audio upgrade applications.

The sound insulation of the car doors was reduced by 4 decibels

Would you believe us if we said a GCI install on ONLY the front two doors resulted in a 4dB drop in road noise?
Luckily, we’ve got a video to prove it to you.

About GCI

Leading Sound Deadening manufacturer
Focus on car soundproofing

Know Who We Are

About GCI Sound Deadening Factory

With 10+ years of manufacturing experience, GCI AUDIO specializes in mid-to-high-end car sound deadening, sound absorption, thermal insulation, as well as related installation tools and accessories, enabling customers to build a complete and market-ready soundproofing system.

We provide OEM / ODM services supported by a professional design team serving global brands, offering one-on-one customization and branded packaging solutions. With stable quality, fast lead times (about 15 days for selected items), and near-zero after-sales issues, GCI AUDIO is a trusted manufacturing partner for brand owners, distributors, and wholesalers worldwide.

Our philosophy is simple: quality before price, long-term partnership over short-term deals. We deliver clear guarantees in performance, design support, delivery reliability, and brand protection.

Advantages

Why choose GCI Sound Proof Factory

High End Quality

Stable performance in extreme cold and heat

Leading Factory

10+ years of factory manufacturing experience

Complete Certificates

Compliant with RoHS / REACH for global markets

One-step Service

Complete system: materials, tools & accessories

professional team

One-on-one design support for branded product

Stable delivery time

Fast lead times (about 15 days for selected items)

TRUSTED BY

Marketing & customers

Over the years, we have established long-term and stable cooperative relationships with many well-known domestic and foreign brands in 60+ countries. We are well aware of the strict requirements of brand customers for product quality, delivery time and after-sales service, so we continue to optimize production processes and improve service quality to ensure that every cooperation can meet customer expectations.

GCI has served 300+ brand clients across more than 60+ countries and regions

We continue to optimize production processes and improve service quality to ensure that every cooperation can meet customer expectations.

Customize Your Brand

At GCI AUDIO, we believe that quality is the foundation of long-term brand success.

For over a decade, we have supported global brand owners, distributors,and retailers with reliable, market-ready automotive sound system solutions —
not just products, but systems built for long-term success.

Learn how we helped 500 top brands gain success.

Let's have a chat