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. Thanks to the very low mounting depth, extremely compact sealed enclosures are no problem at all whereas the oversized 1.7” / 42.5 mm voice coil assures high power handling.
Furthermore, the special speaker connector with its gold-plated screw terminals allows two different configurations. If the metal bracket is mounted the woofer has an impedance of 1 x 4 Ohms - without the metal bracket each voice coil can be driven separately (in this case 2 x 2 Ohms) which is perfect for the 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.
Features
- 8” subwoofers with very low mounting depth for shallow subwoofer designs and under-seat installation in BMW vehicles
- Allows to use extremely compact, sealed enclosures
- Oversized 42.5 mm / 1.7” voice coil for high power handling
- 2 x 2 Ohms impedance per woofer for most flexible connection options
- Plug connectors for original BMW cable harness are included in delivery
- Fits directly into the original mounting positions under the front seats of all BMW model ranges with under-seat subwoofers
- Also ideal for universal use in ultra-flat subwoofer constructions
Special features:
Switch it parallel
The speaker connector with its gold-plated screw terminals allows two different configurations. If the metal bracket is mounted the woofer has an impedance of 1 x 4 Ohms. Without the metal bracket each voice coil can be driven separately (impedance in this case 2 x 2 Ohms) which guarantees a perfect interaction with MATCH Plug & Play amplifiers.
Technical data
- 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 12.5 mm
- 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
Contents
- 2 x Subwoofer MATCH MW 8BMW-D
- 2 x Plug connector for original BMW cable harness
- 1 x Instruction manual
Please note - some items may incur extra shipping charges that have to be sent by courier and are too large / expensive to be sent by Royal Mail (for example headlamps, headunits, speakers, lowering springs etc) to the following postcode areas, Channel Islands, BT, most IV, HS, KA-27-28, KW-15-17, AB30-38, AB44-56, FK17-99, G83, KW1-14, PA21-40, PH18-26, PH30-41, PH49-50, all ZE, IM, and any other non mainland postcodes. Please also note that delivery times are normally 2-3 working days for these postcode regions.