Earthquake Sound R8-SWS Adapter Ring for SWS-8X & SWS-8Xi (ONE RING)
EarthquakeSound is proud to introduce the R8-SWS adapter set to ease the upgrade of the BMW factory speakers to Earthquake SWS Speakers. Suitable for use with Earthquake SoundsSWS-8X andSWS-8Xi. R8-SWS Installation Ring Adapter.