1. ALLIED ELELTRONIL VMARQUANT DESIGN COLLECTION 7 Active Car Subwoofer System MAC 250 MAC 250 Active built in power amplifier Bassreflex strong plastic cabinet 7 18cm 8 Ohm woofer 210 Watt Max power output 150 Watt RMS power output 1 THD Frequency responce 30 300Hz Built in 12V power security system RCA stereo input connections D Adjustable level gain potmeter _ F7 BAZ Adjustable LPF filter potmeter ae WA al Automatic on off system via carradio Ei Nett Weight 5 5Kg Dimensions 48 x 24 x 18 cm Qty ctn s Barcode 8711534072969