{"product_id":"rockford-fosgate-m210s4b","title":"ROCKFORD FOSGATE M210S4B","description":"\u003cp\u003eRockford Fosgate's M2 marine grade standard takes into account the devastating effects of the outdoor environment and takes extreme measures to ensure optimum performance. \u003cbr\u003e\u003cbr\u003e Just because you're on the water doesn't mean you have to go without bass. Put this 10\" in your boat and you just may redefine \"party barge!\" This subwoofer is designed for free air\/infinite baffle applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCEA-2031 Compliant:     CEA-2031 Guidelines\u003c\/li\u003e\n\u003cli\u003eSize:     10\"\u003c\/li\u003e\n\u003cli\u003eNominal Impedance:     4-Ohm\u003c\/li\u003e\n\u003cli\u003ePower Handling (Watts RMS):     250 Watts RMS \/ 500 Watts Max\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter:     1.95' (49.53 mm)\u003c\/li\u003e\n\u003cli\u003eMagnet Weight (oz):     54.4 oz. (1.54 kg.)\u003c\/li\u003e\n\u003cli\u003eSpeaker Connector:     Corrossion resistant 8 AWG spring load\u003c\/li\u003e\n\u003cli\u003eFs (Hz):     45\u003c\/li\u003e\n\u003cli\u003eRe (Ohms):     3.6\u003c\/li\u003e\n\u003cli\u003eLe (mH):     0.3\u003c\/li\u003e\n\u003cli\u003eQms:     9.00\u003c\/li\u003e\n\u003cli\u003eQes:     0.64\u003c\/li\u003e\n\u003cli\u003eQts:     0.57\u003c\/li\u003e\n\u003cli\u003eVas (Liters):     20.2\u003c\/li\u003e\n\u003cli\u003eSd (cm2):     346\u003c\/li\u003e\n\u003cli\u003eSPL (dB @ 1w\/1m):     86\u003c\/li\u003e\n\u003cli\u003eXmax (mm):     10.0\u003c\/li\u003e\n\u003cli\u003eWoofer Displacement (in):     0.154 cu.ft. (4.35 Liters)\u003c\/li\u003e\n\u003cli\u003eCutout Diameter (in):     9.00 in. (22.82 cm)\u003c\/li\u003e\n\u003cli\u003eMounting Depth (in):     5.54 in. (14.07 cm)\u003c\/li\u003e\n\u003cli\u003eShipping Weight:     14.3 Lbs. (6.5 Kg.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockford-Fosgate","offers":[{"title":"Default Title","offer_id":56717562610046,"sku":"M210S4B","price":140.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/1394\/9054\/files\/m210s4b_3_l.jpg?v=1765938589","url":"https:\/\/www.caraudiotrade.com\/products\/rockford-fosgate-m210s4b","provider":"Car Audio Trade","version":"1.0","type":"link"}