{"product_id":"match-up-w8bmw-s-speakers","title":"Match UP W8BMW-S Speakers","description":"\u003cdiv data-appearance=\"default\" data-content-type=\"html\" data-element=\"main\"\u003e\n\u003cp\u003eMaximum POWER for BMW sound concepts\u003cbr\u003eThe ultra-flat UP W8BMW-S subwoofers are playing extremely dynamically and punchy. Especially the exceptionally rigid fiberglass cone generates maximum sound pressure without distortions.\u003c\/p\u003e\n\u003cp\u003eThe BMW-specific baskets and connectors allow fast and easy installation into the original mounting positions of all BMW model ranges with under-seat subwoofers.\u003cbr\u003eNevertheless 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. With their 1 x 2 Ohms single voice coil the UP W8BMW-S are the perfect replacement for the original subwoofers of the BMW HiFi sound system. Additionally they are the perfect playmate for our MATCH Upgrade amplifier MATCH UP 7BMW and MATCH UP 7DSP.\u003c\/p\u003e\n\u003cp\u003eNo matter if these subwoofers are used for a bass upgrade in your BMW or as supplier of low-frequencies in universal concepts, they will definitely add loads of powerful bass for musical enjoyment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower RMS \/ max. P 200 \/ 400 Watts\u003c\/li\u003e\n\u003cli\u003eImpedance Z 1 x 2 Ω\u003c\/li\u003e\n\u003cli\u003eDC resistance Re 2.0 Ω\u003c\/li\u003e\n\u003cli\u003eResonance frequency Fs 49 Hz\u003c\/li\u003e\n\u003cli\u003eMechanical Q factor Qms 3.80\u003c\/li\u003e\n\u003cli\u003eElectrical Q factor Qes 0.61\u003c\/li\u003e\n\u003cli\u003eTotal Q factor Qts 0.53\u003c\/li\u003e\n\u003cli\u003eCompliance Cms 210 µm\/N\u003c\/li\u003e\n\u003cli\u003eEquivalent air volume Vas 13.9 L\u003c\/li\u003e\n\u003cli\u003eForce factor B*I 7.1 Tm\u003c\/li\u003e\n\u003cli\u003eEfficiency 1 W \/ 1 m SPL 90 dB\u003c\/li\u003e\n\u003cli\u003eCone area Sd 214 cm²\u003c\/li\u003e\n\u003cli\u003eMoving mass Mms 47.4 g\u003c\/li\u003e\n\u003cli\u003eCone material Extremely stiff fiberglass cone\u003c\/li\u003e\n\u003cli\u003eMechanical resistance Rms 3.97 kg\/s\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter ø 42.5 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil winding height 12.5 mm\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion Xmax +\/- 4.0 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter ø 239 mm \/ 9.41\"\u003c\/li\u003e\n\u003cli\u003eInstallation diameter ø 175 mm \/ 6.89\"\u003c\/li\u003e\n\u003cli\u003eInstallation depth 40 mm \/ 1.57\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003eRecommended enclosure volumes \u003cbr\u003eSealed box \u003cbr\u003eNet volume 3 L\u003cbr\u003eLower limiting frequency (-3dB) 63 Hz\u003cbr\u003eDSP settings - Highpass: Butterworth; 12 dB\/octave; crossover frequency 40 Hz\u003cbr\u003e- Additional EQ filter: center frequency 90 Hz; Q factor 3.0; gain -4 dB\u003cbr\u003e- Lowpass: Butterworth; 24 dB\/octave; crossover frequency 80 - 100 Hz\u003cbr\u003e\u003cbr\u003eVented box For one subwoofer For two subwoofers\u003cbr\u003eNet volume 12 L 24 L\u003cbr\u003ePort diameter ø 60 mm \/ 2.36\" 80 mm \/ 3.15\u003cbr\u003ePort area 28 cm² 50 cm²\u003cbr\u003ePort length 25 cm \/ 9.84\" 20 cm \/ 3.94\"\u003cbr\u003ePort tuning frequency Fb 46 Hz 46 Hz\u003cbr\u003eLower limiting frequency (-3dB) 45 Hz 45 Hz\u003cbr\u003eDSP settings - Highpass: Self-Define; crossover frequency 40 Hz; Q factor 1.3\u003cbr\u003e- Additional EQ filter: center frequency 67 Hz; Q factor 3.0; gain -3 dB\u003cbr\u003e- Lowpass: Butterworth; 24 dB\/octave; crossover frequency 80 - 100 Hz\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Match","offers":[{"title":"Default Title","offer_id":56737530839422,"sku":"4057204631130","price":159.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/1394\/9054\/files\/match-mw-8bmw-d_pers-membran_1280x956px_15-04-20_1.jpg?v=1766259899","url":"https:\/\/www.caraudiotrade.com\/products\/match-up-w8bmw-s-speakers","provider":"Car Audio Trade","version":"1.0","type":"link"}