
MS 8B-BMW.2
MATCH Plug & Play
8“ / 20 cm under-seat subwoofer for BMW vehicles
Complex shape of dust cap for addi-
tional cone stabilization
Very stiff and specially coated paper
cone
Easiest installation due to BMW-
specic baskets
Technical data:
Power handling: RMS / 150 /
Max. 300 Watts
Impedance: Z 4 Ohms
Voice coil diameter: Ø 38 mm
Voice coil winding heigth: 14 mm
Max. linear excursion: Xmax +/- 4 mm
Cone area: Sd 222 cm²
Moving mass: Mms 32.8 g
DC resistance: Re 3.2 Ohms
Resonance frequency: Fs 46 Hz
Mechanical Q factor: Qms 5.54
Electrical Q factor: Qes 0.51
Total Q factor: Qts 0.47
Equivalent air volume: Vas 23.9 L
Voice coil inductance: Le 1.19 mH
Force factor: B*l 7.9 Tm
Efciency 1 W / 1 m: SPL 89 dB
Dimensions:
Outer diameter: Ø 200 mm / 8“
Cutout diameter: Ø 175 mm / 6.90“
Mounting depth: 40 mm / 1.60“
Recommended enclosure:
Sealed box
Sealed net volume: 10 L
Long-excursion foam surround for
highest mechanical rating
Fits directly into the original mounting positions under the front seats
Gold plated connection terminals
Enormous power handling thanks
to 38 mm / 1.5” voice coil - ideal
for sound upgrades with additional
power ampliers
Recommended enclosure:
Ported box
Vented net volume: 10 L
Port diameter: Ø 6 cm
Port area: 28 cm²
Port length: 25 cm
Port tuning frequency: Fb 47 Hz
Compatibility*:
Series Type Model year
1-series E81 / E82 / E87 / E88 2004 - 2011
F20 / F21 2011 -
2-series F22 / F23 2011 -
3-series E90 / E91 / E92 / E93 2005 - 2011
F30 / F31 / F35 2012 -
F34 2013 -
4-series F32 / F33 2014 -
5-series E60 / E61 2003 - 2010
F10 / F11 2011 -
6-series F12 / F13 2011 -
7-series F01 2008 -
X1 E84 2009 - 2012
X3 E83 2003 - 2010
F25 2010 -
X4 F26 2014 -
X5 E70 2006 - 2013
X6 E71 2008 -
* An up-to-date list of vehicle compatibility can be found at www.audiotec-scher.com
Hünegräben 26 · D-57392 Schmallenberg · Tel.: +49 2972 97880 · E-mail: match@audiotec-scher.com