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two high pass 6 dB/octave crossovers with adjustable tweeter level : -3 dB
suitable for cars up to 500bhp
1 Year of manufacture from 10/2019
The adaptors include the two special steel inserts plus 6 allen key headed bolts to bolt the adaptors to the wheels
MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW E91 3-Series Touring speaker and amplifier upgrades two high pass 6 dB/octaveMATCH UP W8BMW S Ultra Flat Subwoofer Upgrade kit for BMW's Maximum POWER for BMW sound concepts The ultra flat UP W8BMW S subwoofers are playing extremely dynamically and punchy. Especially the exceptionally rigid fiberglass cone generates maximum sound pressure without distortions. The BMW specific baskets and connectors allow fast and easy installation into the original mounting positions of all BMW model ranges with under seat subwoofers.