Match MW 8BMW-D

Power RMS / max. P 200 / 400 Watts
Impedance Z 2 x 2 Ω
DC resistance Re 3.4 Ω
Resonance frequency Fs 46 Hz
Mechanical Q factor Qms 4.45
Electrical Q factor Qes 0.59
Total Q factor Qts 0.52
Compliance Cms 272 µm/N
Equivalent air volume Vas 17.3 L
Force factor B*I 8.6 Tm
Efficiency 1 W / 1 m SPL 90 dB
Cone area Sd 214 cm²
Moving mass Mms 44.2 g
Cone material Hand-scooped paper cone
Mechanical resistance Rms 0.74 kg/s
Voice coil diameter ø 42.5 mm
Voice coil winding height Handgeschöpfte Papiermembran
Max. linear excursion Xmax +/- 4.0 mm
Outer diameter ø 239 mm / 9.41″
Installation diameter ø 175 mm / 6.89″
Installation depth 40 mm / 1.57″

Recommended enclosure volumes
Sealed box
Net volume 3 L
Lower limiting frequency (-3dB) 63 Hz
DSP settings - Highpass: Butterworth 12 dB/octave crossover frequency 40 Hz
- Additional EQ filter: center frequency 90 Hz Q factor 3.0 gain -4 dB
- Lowpass: Butterworth 24 dB/octave crossover frequency 80 - 100 Hz

Vented box For one subwoofer For two subwoofers
Net volume 12 L 24 L
Port diameter ø 60 mm / 2.36″ 80 mm / 3.15
Port area 28 cm² 50 cm²
Port length 25 cm / 9.84″ 20 cm / 3.94″
Port tuning frequency Fb 46 Hz 46 Hz
Lower limiting frequency (-3dB) 45 Hz 45 Hz
DSP settings - Highpass: Self-Define crossover frequency 40 Hz Q factor 1.3
- Additional EQ filter: center frequency 67 Hz Q factor 3.0 gain -3 dB
- Lowpass: Butterworth 24 dB/octave crossover frequency 80 - 100 Hz

Compatibility:

1-series E81 3-door 2004 - 2011 Under-seat
E82 Coupe 2004 - 2011 Under-seat
E87 5-door 2004 - 2011 Under-seat
E88 Convertible 2004 - 2011 Under-seat
F20 5-door 2011 - Under-seat
F21 3-door 2011 - Under-seat

2-series F22 Coupe 2011 - Under-seat
F23 Convertible 2011 - Under-seat

3-series E90 Sedan 2005 - 2011 Under-seat
E91 Touring 2005 - 2011 Under-seat
E92 Coupe 2005 - 2011 Under-seat
E93 Convertible 2005 - 2011 Under-seat
F30 Sedan 2012 - Under-seat
F31 Touring 2012 - Under-seat
F34 Gran Turismo 2013 - Under-seat
F35 Sedan Long Version 2012 - Under-seat

4-series F32 Coupe 2014 - Under-seat
F33 Convertible 2014 -

5-series E60 Sedan 2003 - 2010 Under-seat
E61 Touring 2003 - 2010 Under-seat
F10 Sedan 2011 - Under-seat
F11 Touring 2011 - Under-seat

6-series F12 Convertible 2011 - Under-seat
F13 Coupe 2011 - Under-seat

7-series F01 Sedan 2008 - Under-seat

X1 E84 SUV 2009 - 2012 Under-seat

X3 E83 SUV 2003 - 2010 Under-seat
F25 SUV 2010 - Under-seat

X4 F26 SUV 2014 - Under-seat

X5 E70 SUV 2006 - 2013 Under-seat

X6 E71 SUV 2008 - Under-seat.