Product Description: Vibe OptiSound BMW 4" 2 Way Component Kit: OPTISOUNDBMW4-V4 • 1“ tweeter made for the installation in original mirror triangle mounting parts• 4“ midrange designed for the original mounting position in the doors• 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• Approved compatibility with 1-series (E81/E82/E87/E88), 3-series (E90/E91/E92/E93), 5-series (E60/E61/F10/F11), X1 (E84) Vibe OptiSound BMW 8" Woofer: OPTISOUNDBMW8-V4 • 8“ woofer fits into the under-seat enclosure• Easiest plug play installation due to car-specific baskets and harnesses• System can be used as passive or semi-active system• Approved compatibility with Fitment.
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