Vibe BMW Speaker Upgrade OPTISOUNDBMW4X For BMW F82 M4 Coupe From 2014 6" x 9" speakers the air ram scoop forces

the air ram scoop forces cold air through the core for more efficient air flow

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The 10W6v3 is best used with amplifier power in the 200W - 600W range and is optimized to operate in a sealed enclosure with only 0

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2-channel preamplifier

Vibe BMW Speaker Upgrade OPTISOUNDBMW4X For BMW F82 M4 Coupe From 2014 6" x 9" speakers the air ram scoop forcesPlug and Play BMW 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 Specifications OPTISOUNDBMW4x V0 Car Specific Component 2 way, 4" (100mm) 115 watts RMS 345 watts Peak 55 watts Minimum input Sensitivity 90dB Frequency response 55Hz 25kHz Impedance 4 Recommended amplifier: POWERBOX65. 4M V7 We're a genuine UK