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Deadening_stage 2 for bolt-on speakers

Reference example 1
Reference example 1
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Reference example 2

You can expect improved sound quality, quieter sound, and reduced sound leakage with our deadening technology, which we have cultivated over many years. It's not just about filling service holes, it's about deadening. In addition, the deadening on the back side has been specially tuned for BMW, making it even more effective.
* Front door left and right. If you would like the rear as well, please contact us separately.

List price¥ 0 (Tax included)