2-way component system with car-specific BMW upgrade speakers, 4" / 100 mm midrange and 1" / 25 mm silk dome tweeter for the original mounting positions and a separate crossover with reference curve setup

2-way component system with car-specific BMW upgrade speakers, 4" / 100 mm midrange and 1" / 25 mm silk dome tweeter for the original mounting positions and a separate crossover with reference curve setup

2-way coaxial system with car-specific upgrade speakers for BMW, 4" /100 mm midrange with 0.75" / 20 mm silk dome tweeter for original mounting positions and a separate crossover

2-way coaxial system with car-specific upgrade speakers for BMW, 4" /100 mm midrange with 0.75" / 20 mm silk dome tweeter for original mounting positions and a separate crossover

8" / 200 mm subwoofers with very low mounting depth for shallow subwoofer designs and under-seat installation in BMW vehicles

2-way component system with car-specific Volkswagen upgrade speakers, 6.5" / 165 mm midwoofer and 1" / 25 mm silk dome tweeter for the original mounting positions, separate crossover with reference curve setup and car-specific wiring...