Subwoofer install on Tab 400 - just a little bass to fill out the speakers in camper

vttj · September 2025

Never been to pleased with sound out of the speakers from my TAB 320s so decided to make some changes on the 2024 Tab 400 I just got. Added a Pioneer Subwoofer made for EV cars that is very efficient. Rather simple install but you must run a remote wire from the head unit using a stereo line out converter that has a remote wire. I used the RCA subwoofer output from Jensen RWM22 head unit. The subwoofer fits nicely under the rear lower drawer with plenty of room. Time will tell if I am happy with it and if this placement will work. See pictures.

Also added a pair of JBL 44 Clubs in the front taking out the black square speakers but that upgraded was a bit more of a pain as I didn't want to cut up the camper so had to make a small adapter plate from wood to use the same holes.

Image: https://us.v-cdn.net/5021717/uploads/editor/q2/em6nfin662vx.jpg

Image: https://us.v-cdn.net/5021717/uploads/editor/w0/pylyor4rye22.jpg

Image: https://us.v-cdn.net/5021717/uploads/editor/gn/3bw2n487qig3.jpg

Image: https://us.v-cdn.net/5021717/uploads/editor/js/2cn0lozkcvb7.jpg

TourDeForth · September 2025

Now, on the to do list!

vttj · May 12

Finished the speaker upgrade. Polk DB522 5 1/2 inch to replace the stock ASA's in back. Nice improvement. Very easy drop in, only need to drill new holes. As noted the front was replaced with JBL Club 44 but this did require a bit of modifications creating a wood spacer to push speakers out. With the Pioneer sub the stock Jensen head unit is doing fine.

Subwoofer install on Tab 400 - just a little bass to fill out the speakers in camper

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