OPTISOUNDBMW4: 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 Front 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 Also avaliableare the Vibe OPTISOUND Underseat Repalcement Woofers depending on whether you have the Basic Audio or HiFi Audio. For Basic Audio search OPTISOUNDBMW84 and for HiFi Audio search OPTISOUNDBMW82 in our.
