BMW Coaxial Plug and Play Upgrade VIBE presents the OPTISOUNDBMW4XR Coaxial upgrade speaker, this coaxial can be used in a multitude of BMW vehicles as a front upgrade in Base vehicles or addition to the read. As the title suggests this is a completely non destructive plug and play speaker upgrade. The speakers are designed to fit exactly in place of your factory speakers with the same fittings along with with direct plug and play wiring so it couldn't be easier. Specification Model OPTISOUNDBMW4XR-V3 Type Coaxial Conguration 2-way Speaker Size 4” (100mm) Peak/RMS Power 180W/60W Sensitivity 89dB Frequency Response 90Hz – 25kHz Impedance 4Ω Vehicle Manufacturer BMW Grille Included No Recommended Amp POWERBOX65.4M-V7 Series Type Model .
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