OPTISOUNDBMW4X – Optisound 4 Inch BMW Plug and Play Component Speaker - Direct Replacement Rear door speakers - BMW adaptors and cables included - OEM Upgrade Plug and Play BMW Rear Door speaker upgrade Easiest plug play installation due to car-specific baskets and harnesses, High-end crossover with reference curve setup, System can be used as passive or semi-active system - 2-way, 4” (100mm) - 115 watts RMS - 345 watts Peak - 55 watts Minimum input - Sensitivity 90dB - Frequency response 55Hz – 25kHz - Impedance 4Ω - Recommended amplifier: POWERBOX65.4M-V7 Series Type Model Model year Rear door Comp 2-series F44 Grand Coupe from 2020 OPTISOUNDBMW4X 3-series F30 Sedan from 2011 OPTISOUNDBMW4X-V0 F31 Touring from 2012 OPTISOUNDBMW4X-V0 F34 Gran Turismo from.
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