20cm subwoofer exclusively for BMW

Set of 2 20cm trade-in underseat woofers
Underseat woofer trade-in system compatible with most BMW vehicles
Wiring can be easily done by simply connecting to the genuine connector. The
unit uses a 20cm high-quality carbon fleece sandwich cone diaphragm,
a strong neodymium magnet magnetic circuit, and
a high-strength raw aluminum die-cast frame.
Produces natural, spacious, and high-resolution sound.