The sound deadening mat is 10mm thick, which is better than ordinary silencer cushions. Cut to the right size for your needs, peel off the kraft coloured protective paper and stick to the desired area.
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Mini Bluetooth Speaker Portable Car Audio Dazzling Crack LED Wireless Bluetooth Subwoofer Speaker TF Card MP3 Music Sound Column
Aliexpress UK
Provides excellent acoustic insulation and soundproofing. 1 x 10mm thickness has THERMAL PROPERTIES EQUAL To Provides excellent thermal insulation. APPROX 10mm THICKNESS. or 8 layers of Double foil bubble.
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C6 Portable Bluetooth Speaker Wireless Waterproof Shower Speakers for Phone Bluetooth Soundbar Hand Free Car Speaker Loudspeaker
Aliexpress UK
This high-quality, tri-layer thermal acoustic insulation is designed to provide superiorheat and sound protection in both interior and exterior vehicle applications. High-Performance Thermal Acoustic Insulation – 1.5m² Roll (150cm x 100cm).
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PUZU PZ-6509C Co-axial Car audio speakers with 180W output power glassfiber cone deep bass sound quality
Aliexpress UK
Well-insulated interior is a pledge of high comfort while in vehicle. Advanced Formulation : The material used is an excellent insulator ! Type : Car sound insulation mat. Suitable for insulation applications : soundproofing foam for automotive floor, doors, roof, hood, etc.
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1202 Wireless Bluetooth Speakers Home Outdoor Portable Small Speaker Subwoofer Car Audio Bass MP3 Player Sound System LED Lights
Aliexpress UK
It even can bearing heavy stuff, such as brick. The high rebound soundproofing foam is consist of two layers. One is low density part and the other is high density part. Two layers together stop the noise effectively with the foam cell structure for maximum noise absorption.
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1202 Wireless Bluetooth Speakers Home Outdoor Portable Small Speaker Subwoofer Car Audio Bass MP3 Player Sound System LED Lights
Aliexpress UK
This easy to install vehicle sound deadening and thermal insulation foam is ideal for roofs, doors, wheel arches, side panels, boot and parcel shelf applications. High quality adhesive backed foil faced closed cell foam insulation.
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Subwoofer Speaker For Mercedes Benz W205 X253 W213 W167 W206 GLC GLE GLS Car 8inch High Power Bass Horn Audio Loudspeaker Sound
Aliexpress UK
10m 50cm=5sq. Will not absorb water like inferior wool or fibre. Superior Crush resistance. More efficient insulation than inferior alu bubble wrap. Provides excellent acoustic insulation and soundproofing.
eBay
LED Speaker Cover For BMW X5 X7 G05 G07 Series Car Midrange Tweeter Lossless Sound Quality HiFi Music Stereo Speakers
Aliexpress UK
This easy to install car sound deadening & insulation foam is ideal for a range of applications including SQUEAK & RATTLE ISSUES. Area: 5m² (53.5ft²). MAIN FLOOR, BOOT FLOOR & WHEEL ARCHES. Nominal Thickness: 3mm.
eBay
8-inch Subwoofer Empty Box,Passive Bass Speaker Box,1Piece Woofer Box,DIY Car/Home Amplifier Speaker Housing,Bass Sound Box
Aliexpress UK