Low pass filter: 85 Hz

is already very powerful

Installation is extremely simple: unscrew the factory-installed speakers

High-performance SPL subwoofer

- MEC / AUX In range of functions

Stinger SGP38 Batterietrennschalter/Relais Aktiv Low pass filter: 85 HzPrevents primary battery discharge Maximum current transfer Ideal for isolating a second audio battery from vehicle systems High current relays are the most reliable and efficient way to add secondary batteries to your system Compatible with all types of alternators and charging systems Water resistant black phenolic plastic 100,000 mechanical cycle life 80 A constant, 150 A peak.