Compact vented Plug & Play subwoofer, equipped with two 6.5“ / 16.5 cm woofers with dual voice coil, impedance 4 x 2 Ohms

Round vented Plug & Play subwoofer, equipped with two 6.5“ / 16.5 cm woofers with dual voice coil, fits in many spare tire recesses instead of the spare tire

Extremely compact vented Plug & Play subwoofer, equipped with a 8“ / 20 cm woofers with quad voice coil

Compact vented Plug & Play subwoofer, equipped with two 10“ / 25 cm woofers with dual voice coil

One pair of 6.5" / 165 mm Plug & Play subwoofers with 2 x 2 Ohms dual voice-coil for compact vented enclosures (approx. 15 liters net volume)

8" / 200 mm Plug & Play subwoofer with 4 x 3 Ohms, quad voice-coil for extremely compact vented enclosures (approx. 9 liters net volume)

8" / 200 mm subwoofers with very low mounting depth for shallow subwoofer designs and under-seat installation in BMW vehicles