STEG BM4 II COAX SPEAKERS DSP The ~90 dB sensitivity helps

The ~90 dB sensitivity helps ensure efficient conversion of amplifier power into audible output

We believe great bass should be felt

Price for 1 pair / set

Plug & Play component speakers (very easy and quick replacement

STEG BM4 II COAX SPEAKERS DSP The ~90 dB sensitivity helpsThe new STEG Upgrade Kit includes years and years of development, hours and hours of listening tests to select the best materials and enclose them in a unique product. The new Kit for BMW is the ultimate expression of sound reproduction and uncompromising design, just take off the original and replace it with this new STEG Kit to appreciate a radical change of sound quality immediately without moving any bore or cutting off some cables from original.