BMW 676 DSP Amp & speaker Upgrade Tier 3 3way with 6ch dsp amp BMW 3 Series E93
Musway BMW 3 way Speaker upgrade CSB4.2C 3 way component + 6ch DSP amplifier specific for the 676 system. All models are equipped with a stable, nevertheless ultralight fiberglass cone and feature a dual neodymium drive with solid N42H magnet.