Stinger SFSBM01 BMW Single DIN Radio Fascia Kit 4 gauge wiring kits What does IP68 mean

What does IP68 mean

producing greater bass output and lower frequency extension in comparable enclosures suited to high-output builds and installations where maximum bass presence is the priority

and why is it important for a subwoofer

TOTAL RATED POWER OUTPUT - 4 OHM BRIDGED (WATTS): 2000 WATTS

FM Antenna Connector Impedance: 50 Ohm

Stinger SFSBM01 BMW Single DIN Radio Fascia Kit 4 gauge wiring kits What does IP68 meanSingle DIN Upgrade for Your BMW 1 or 3 Series Flush Fit Product Overview The Stinger SFSBM01 is a vehicle specific single DIN radio fascia kit designed to allow a clean, factory finished aftermarket head unit installation across the BMW 1 Series (E81, E82, E87, E88, 2004 to 2013) and BMW 3 Series E90 (2005 to 2014), including M1 and M3 variants. The SFSBM01 is shaped to match the factory dash recess on these vehicles, so your new head unit sits flush