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Just installed a Bazooka xB2 subwoofer :)!

39550 Views 52 Replies 16 Participants Last post by  BrickPig
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As I said, I just installed a Bazooka VSE-SCI-145L-07 subwoofer that's designed specifically for our cars. It form fits deep into the right rear corner with an aprox .5 cu-ft bass reflex cabinet with an internal 50/50W dual channel amp and dual VC 8" driver. Frequency response is 35 to 85Hz.




As is usual for me, I made some wiring mods :p, but it worked pretty darned good as is and includes a completely factory compatible wiring harness. The harness uses the front door speaker outputs from the head unit to detect the bass.

I find it provides easily more than enough bass to meld cleanly with my door speakers at normal listening levels. (However, if your intent is to attract the attention of passersby or vibrate the fasteners out of your car, look elsewhere.)
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This is the cheapest I've found it. ($199 shipped)

Bazooka 2007-2011 Scion XB 8" 100W Car Audio Subwoofer
I have a used Bazooka with some minor damage that I'll let go for $100 shipped. Includes all new wiring, template and mounting pieces. when i got rear ended the mounting spot got pushed into enclosure.

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This is the cheapest I've found it. ($199 shipped)
Once in a while, this eBay seller has it for $179 shipped.

Bazooka 2007-2011 Scion XB 8" 100W Car Audio Subwoofer | eBay

(Found via a search for "scion xb bazooka")
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Currently working on trimming the corner flap of my cargo liner to fit under the sub. In other words, I consider the sub a keeper :)!




The overlap area was deeper than I realized and I had to remove roughly half the flap depth. I could probably have left another 1/4", but it's fine :).
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The especially nice thing about these is they keep the cargo area completely clear while providing very good sonic integration with the door speakers (IMO).
Just want to clarify on the first of the two points. I was thinking in terms of the cargo area as the space between the two rear wheel liners on forward, but as you can see from the photos, the sub does, in fact, consume some space out of the right rear corner. I personally don't find it significant, especially in comparison to any other rear sub installation I've seen; however, my saying the cargo area is kept "completely clear", even with an IMO flag, is dubious -- sorry about that :p!
So am I reading this all correctly? This unit does not have a low level(rca) input as sold, there's another harness to by to use RCA input?
As sold, the unit plugs right into the factory harness, plus a "tube crimp" connection to the head power wire. There is NO RCA wire connection at all (at least that exits the box).
The main reason is that the basic-factory radio (at least the original Pioneer units) did not have any RCA outputs at all. So, a sub-unit was devised that plugged direct into the basic headunit.
To fit a an RCA wire, one would need to crack open the Bazooka unit to get to the amp. I'll leave detail of that to those who have. I just used the unit as supplied.
As sold, the unit plugs right into the factory harness, plus a "tube crimp" connection to the head power wire. There is NO RCA wire connection at all (at least that exits the box).
The main reason is that the basic-factory radio (at least the original Pioneer units) did not have any RCA outputs at all. So, a sub-unit was devised that plugged direct into the basic headunit.
To fit a an RCA wire, one would need to crack open the Bazooka unit to get to the amp. I'll leave detail of that to those who have. I just used the unit as supplied.
Actually, it's not necessary to open the cabinet to access the RCA inputs. However, it is necessary to remove the shrink cover from the provided OE subwoofer harness connector and connect to the four low-level contacts adjacent the power and remote. Another solution is to purchase the generic Bazooka harness. I chose to modify the provided harness :)!
A little time has passed and I thought I'd make an update. Installing a subwoofer provided the opportunity to learn about my HU sub adjustments and that's helped improve the sound. Discovered I had the sub phase reversed (there's a reversal switch adjacent the sub connector), and so I've been able to set the level lower while achieving a more accurate sound :). I've also raised the sub roll-off at the head unit to 120 Hz to provide a more relaxed crossover between it (85Hz internal) and the door speakers. Finally, now the crossover region is smoother, I've set the bass boost frequency to 40Hz which gives a very effective bottom with just a couple dB of boost. NJ has a good golden oldie "Cruise'n'" station that's fun to listen to in the car and I never realized how much bottom those older tunes actually had! This little sub is turning out to be a very enjoyable upgrade :)!
Thanks to your input i flipped the switch in the back and the Bazooka has a much nicer punch to it now. in the other mode it seems to be too overpowering at times. Kudos! where at in NJ are you? i wotk in Hunterdon county.
I still want one of these to finish off my system.
Hello Christmas :cheers:
Thanks to your input i flipped the switch in the back and the Bazooka has a much nicer punch to it now. in the other mode it seems to be too overpowering at times. Kudos! where at in NJ are you? i wotk in Hunterdon county.
Thanks and glad it helped you :)! I'm actually in north Delaware, but I do get a kick out of 92.1 FM. I've been a fan for a long time :)!

I still want one of these to finish off my system.
Hello Christmas :cheers:
Glad to learn you're still interested in the Bazooka :)! I really do think it's a great value/performer, and it's a very much do-it-yourself install if you're willing to take it on -- consider it a learning opportunity (together with a cash saver) :)! Just be sparing of other expenses for awhile :biggrin:!
The one thing I'm still unable to sort out is that I'm thinking the best way to run this is off the RCA plugs on the rear of the 2012 HU. Seems like the HU is set up to operate a sub so why tap into the existing wires as opposed to using the HU sub controls? Then I go look at that adapter available from Bazooka and it looks like a universal with a zillion wires to figure out. I will install this myself but I need to sort this out before even considering proceeding.
The one thing I'm still unable to sort out is that I'm thinking the best way to run this is off the RCA plugs on the rear of the 2012 HU. Seems like the HU is set up to operate a sub so why tap into the existing wires as opposed to using the HU sub controls? Then I go look at that adapter available from Bazooka and it looks like a universal with a zillion wires to figure out. I will install this myself but I need to sort this out before even considering proceeding.
The wiring is no problem at all, I can tell you the color code of the three wires you care about (power, ground, remote). As I said, I have one of those harnesses available if you're interested. I opened the short piece of black shrink wrap to the connector so I could verify the RCA connections, but re-secured it with a couple pieces of electrical tape and it looks fine, 'course, it's invisible anyway with the sub installed :).

My guess is you'd want to use the supplied harness to pick off the power and remote at the radio, and just disconnect the four speaker level wires from the "T" connector. Then you could plug in a pair of long RCA audio cables and route them with the harness back to the right rear. Then you'd cut off the excess harness length, attach the power and remote wires to the universal harness, plug in the two RCA's, and attach the ground to the chassis.
Thanks to your input i flipped the switch in the back and the Bazooka has a much nicer punch to it now. in the other mode it seems to be too overpowering at times. Kudos! where at in NJ are you? i wotk in Hunterdon county.
I have wondered what that switch does. Mine seems over powered too. Did you flip yours up or down?
I blew through three or four setups before we installed this "stealth" sub. I have 6.5 Polk db 4 ohm speakers in all the doors and this sub drives those quite nicely. As in the earlier discussion, the sub plugs directly into the HU, so it integrates well. There is a "depth" adjustment on the Bazooka itself; and, since it is designed to work with the other audio in the B, you can adjust it from the HU. I don't want to rattle the glass, but it does give me the bump I want because I do like to feel my music.
I have wondered what that switch does. Mine seems over powered too. Did you flip yours up or down?
Just try the other position, it's either better or it isn't :)! Also, make sure you don't have the level control on the sub set too high. People have a tendency to over do it :)!
if i remember correctly i think i flipped it down. i have my sub level at about 1 - 2 oclock.
ive tried searching for it...but are there any enclosures that places sell specifically for xb's? i have a 10inch sub and amp id love to put in the box but would like to save trunk space

i really want to beef up the sound system in the box because the factory pioneer system sounds like doo-doo, highs arent terrible, but lows sound like crap, and i have bass set at -1! really like the design of the bazooka box and jl stealthbox, just trying to get some more insight

either way, looks great! and a hellova deal for how well it performs from what ive seen/read!
I never took the subwoofer idea that seriously until you mentioned the Bazooka and I saw the way it fit and the clean install. Then you pointed out that nice price and it became serious :)!


Very nice! I'm guessing you must have got yours around the time of introduction. I get the impression an 8" sub is a good size for small cars.

I got mine around the time of introduction and I paid $350. They are much more reasonable now.
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