20 cm / 8“ subwoofers with very low mounting depthfor shallow subwoofer designs and under-seat installation in BMW vehicles• 200/400 Watts• 1 x 2 Ohms impedance – ideal replacement for BMW Hifi Sound System subwoofers• Extremely stiff fiberglass cone for maximum sound pressure• Perfectly combinable with the MATCH UPGRADE amplifiers MATCH UP 7BMW and UP 7DSP.• Allows to use extremely compact, sealed enclosures• Oversized 42.5 mm / 1.7” voice coil for high power handling• Plug connectors for original BMW cable harness are included in delivery.