4PCS 4/5/6.5 Inch Car Speaker Sound Insulation Ring Cotton Bass Door Trim Soundproof Auto Interior Accessories Foam Universal

Product Name：Car Speaker Ring Soundproof Cotton

Material：Foam

Size：4 inch, 5 inch, 6.5 inch

Fitment：Universal Fit

Placement On Vehicle：Front Rear Left Right Door

Feature：

Sound Insulation Sealed Speaker To Obtain Better Sound Performance.

Absorb The Back Waves, Prevent The Front And Back Waves From Counteracting, And Reduce The Panel Vibration.

In Order To Prevent The Spread Of Sound Quality, Absorb The Echo Of The Door, Enhance The Sound Effect Of The Horn, Enhance The Sound Effect In The Car And Seal The Vibration.

Package Include：

4Pcs Insulation Ring