Match MW 8BMW-D Sub 8 Direct Fit Underseat Subwoofer Pair for BMW 5 Series E60. 2 x Subwoofer MATCH MW 8BMW-D. 2 x Plug & Play connectors for original BMW cable harness. 1 x Instruction manual. The MW 8BMW-D subwoofers are not only the ideal upgrade for those who are dissatisfied with the bass response in their BMW, but particularly for those who want to realize unprecedented space saving installation concepts. The BMW-specific baskets and Plug & Play connectors allow a fast and easy installation into the original mounting positions of all BMW model ranges with under-seat subwoofers. Nevertheless, these subwoofers are also perfectly qualified for universal applications. Furthermore, the special speaker connector with its gold-plated screw terminals allows two different configurations and therefore flexible connection options. With the ex works installed connection bracket the subwoofer has an impedance of 1 x 4 Ohms, otherwise each voice coil can be driven individually (impedance 2 x 2 Ohms) and allows perfect combination with MATCH Plug & Play amplifiers. No matter if these subwoofers are used as bass upgrade in your BMW or as problem-solver in small sub enclosures, they will definitely add loads of powerful bass for musical enjoyment. 8 / 200 mm subwoofers with very low mounting depth for shallow subwoofer designs and under-seat installation in BMW vehicles. Allows to use extremely compact, sealed enclosures. 2 x 2 Ohms impedance per woofer for most flexible connection options. Fit directly into the original mounting positions under the front seats of all BMW model ranges with under-seat subwoofers. Also well suited for universal use in shallow subwoofer designs. The special speaker connector with its gold-plated screw terminals allows two different configurations and therefore flexible connection options. Power RMS / max. 200 / 400 Watts. 2 x 2? Resonance frequency Fs 46 Hz. Mechanical Q factor Qms 4.45. Electrical Q factor Qes. Total Q factor Qts. Equivalent air volume Vas 7.3 L. Efficiency 1 W / 1 m SPL 90 dB. Mechanical resistance Rms 0.74 kg/s. Voice coil diameter ΓΈ. Linear excursion Xmax +/- 4.0 mm. 239 mm / 9.41. 175 mm / 6.89. 40 mm / 1.57.