Bass in your Ram 1500
The sub, which is part of the Alpine and Harman Kardon systems, is found behind the rear seat. This 8" triple voice coil subwoofer (each voice coil has a 2.2-ohm impedance) is mounted to a polymer enclosure. It’s not terribly hard to get to, but you will need to fabricate a mounting bracket to secure your aftermarket 8" sub in the enclosure. You’ll also need to splice or solder the sub wires to the vehicle’s speaker wires, because there's no wiring harness adapter that will work here.
You will have to fiddle with the seats, which is challenging, but not too bad. Once they’re handled. All you need to do is pry out the rear wall trim enough to get to the sub enclosure, then remove the six Torx T25 screws securing subwoofer to the enclosure. Disconnect the harness and remove the subwoofer.
As with all other Alpine speakers in the Ram, replacing this low-impedance factory speaker with a 4-ohm aftermarket speaker will result in lower volume levels.
Tools Required: Panel tool, 10mm and 18mm sockets, ratchet and extension, Torx T25 driver
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