A pair of BLAM 200RS 200mm (8inch) Hi-efficiency 3ohm, 2-Way Component speakers
2 way system of 20cm woofer and 20mm tweeter with crossover.
in-line 6 dB/oct cross-over adjustable tweeter level : 0 dB or -3 dB
A pair of BLAM BMW hi-performance dedicated 200mm (8 inch) extra-flat underseat subwoofers.
BMWs are very specific to equip, since they have very specific subwoofers under the front seats. These extra flat subwoofers are custom made to make the installation process faster and make the sound image more precise and clear.