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Bazooka BTA8250D

8" 250W BT Series Class D Amplified Subwoofer Bass Tube (BTA-8250D)

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• Powered 8" Bass Tube
• Paper Cone with Polypropylene Dust Cap
• Treated Foam Surround
• 200 Watts RMS
• 250 Watts Peak
• 4 Ohm Impedance
• Preamp Inputs
• Speaker-Level Inputs
• Plastic Woofer Grille

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Bazooka BTA8250D

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Priced separately $349 98

Promo Savings of $15 00

Total price:

$334 98


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The Bass Tube Difference:

Adding quality bass to your car has never been easier! With the Bazooka bass tube, installing a subwoofer becomes fast, simple, and provides excellent results. No matter what size of vehicle you have, Bazooka has a bass tube solution for you. Included in the box is a factory interface harness that is compatible with all cars. It does not matter if you have a compact Mini Cooper or a full size Chevrolet Suburban, the Bass Tube will give your vehicle low bass that it was lacking with it's factory audio system. When a subwoofer is installed, you will experience a 30% increase in your music. Bass is necessary to complete the sound stage of any listening experience. It is the subwoofer in the car's audio system that gives music its fullness and enhances the playback of each instrument's sound. For quality bass you can rely on, a Bazooka Bass Tube is exactly what you are looking for!

Acoustic Dampening Fiber

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Bazooka BTA8250D Features:

  • Bazooka powered 8" bass tube
  • Built-in Class D amplifier
  • Power Handling:
    • Peak: 250 watts
    • RMS: 200 watts
  • Treated foam surround
  • Paper cone with polypropylene dust cap
  • Mounting straps, wire harnesses and hardware included
  • 4 Ohm Impedance

    Bazooka's Patented Tube Enclosure

  • Preamp inputs
  • Speaker-level inputs
  • Optional speaker-level outputs for connecting a 2nd Bass Tube
  • Plastic woofer grille
  • Adjustable low-pass filter: 60-250 Hz
  • Frequency Response: 30-250 Hz
  • Sensitivity: 102 dB
  • Dimensions: 8-5/8"W x 10-1/8"H x 19-3/4"D
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty


Bazooka Bass Tube Unique Features:

The grill is both decorative and protective, preventing the Subwoofer from accidental damage from other items, such as golf clubs, groceries or book bags that might be tossed into the cargo area where the Bazooka Woofers are typically mounted.

Bazooka's highly efficient, customized woofers are specially designed and reinforced for use in the Bazooka Bass Tube enclosure, producing a pure piston action and generating the maximum bass output possible.

Edge Roll
All Bazooka Woofers used in Bass Tube enclosures feature large, high excursion, lightweight foam edge rolls to maximize their efficiency and overall bass output.

Tube Enclosure
A tube is a natural pressure vessel, and Bass is about pressure. The patented Bass Tube enclosure creates a natural, uniform, hydraulic transfer of the Bass energy produced by the woofer.

The port opening between the Tube Enclosure and the Port Tube allows for efficient transfer of bass. Bass Tubes enclosures utilize "Bass Reflex" technology to take advantage of both the forward and backward of the woofer, wasting no bass energy.

Port Tube
The bass energy created by both the forward and backward motion of the woofer are time aligned so that 100% of the woofer's output is concentrated into one output point.

Acoustic Damping Fiber
The acoustic damping material helps lower the resonance of the enclosure and simulates an increased air space.

Integrated Amplifier
The integrated amplifiers are performance matched to the specific woofers used in Bass Tube enclosures to ensure that every watt of power is efficiently turned into bass performance. Having the amplifier integrated into the enclosure simplifies the installation and eliminates power loss.

Corner Loading
Bass Tube enclosures are specifically designed to take advantage of the natural amplification characteristics that occur when a subwoofer is placed into the corner of a vehicle. The corner acts like a megaphone, substantially increasing bass performance.

Double Down
While this single amplified tube will surely deliver the goods, if just want more bass, simply connect a Passive Tube (sold separately) to the optional speaker level output and double your bass output.

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How Do I Install a Bazooka Bass Tube?

Installation is Simple! The bass tube comes with straps to keep the sub securely mounted, while still making removal quick and easy if you need even more cargo room. Optional Chrome-Plated UMS Brackets give a flashier look, as well as a more secure, permanent mounting when removal isn't a problem.

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Package Contents:

  1. Bazooka BTA8250D BT Series 8-Inch 250W Class D Amplified Tube,
  2. Wiring Harness
  3. Installation Hardware
  4. Instruction Manual

Product history:

Bazooka BTA8250D thumbnail
(newest, current model)
Bazooka BTA8200 thumbnail
(previous model, replaced by Bazooka BTA8250D)

Specifications & Details

Subwoofer Amplifier Power Specifications
RMS Power @ 2 ohms
250 watts x 1 channel
Peak Power Output
500 watts x 1 channel
Amplifier Specifications
Amplifier Class
Number of Channels
1 - Mono
Speaker Level Inputs
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
60 - 250 Hz
Channel Separation
Remote bass/level controller
Subwoofer Specifications
Subwoofer Size
RMS Power Handling
200 watts
Total RMS Power Handling
200 watts
Peak Power Handling
250 watts
Total Peak Power Handling
250 watts
Woofer Surround
Woofer Composition
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
102 dB
Frequency Response
30 - 250 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Number of Subwoofers
Box Style/Shape
Box Exterior Color
Box Finish
Coated Tough Guard
Final Wired Impedance
Amplifier Wiring Kit
Is Amplifier Wiring Kit included?
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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Customer Ratings & Reviews

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Customer Reviews

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This speaker has exceeded my expectations! The amp is super powerful. Sometimes it's hard to believe its only a 8 in! I highly recommend !

By Real Man on June 4, 2013


found this helpful.

Good relatively small device with excellent frequency range


1. The only device that you can buy and install right away in almost any car. The amplifier is built-in and that's really good for cars with limited space like mine. I'm using it in Honda Odyssey EXL 2002, the sub is installed between driver seat and right front passenger seat. The space under table is more than enough to get it installed.
2. Excellent frequency range. I use it for classical, new age, country, rock and some other styles. Sounds very solid if you don't want it to sound extra loudly, which is not required.
3. Having a remote is a must since the frequency range values from album to album and, instead of changing the player settings or even worse, using the back screws on the sub, the remote gives a very simple and convenient way to change two most valuable parameters of the sub on the fly.

1. The installation in Honda Odyssey required a few pieces of velcro. I fixed the sub to the driver seat. The straps were worthless since there is no way to screw them down the floor or to attach to the seat.
2. The promised frequency range - 30+ Hz is probably incorrect. I suspect this device is able to reproduce much lower frequencies, and I personally don't like that. You can use the fingers to feel how it works with different frequences even if you don't hear the sound. I'd honestly prefer this sub has a low frequency filter to kill the very low frequences, dangerous for the health. The range of frequences to be filtered out should be 0-20 Hz and it should be permanent. Right now this device is more than enough to get a strong headache after a 15-20 minutes usage at medium volumes. I got a 100% correlation after couple weeks of listening, so there is no mistake, I'm positive. I'm happy that I didn't buy the dual device because I could not install it in my Honda and it would be even more dangerous for the health for sure.

I'm honestly not sure if it makes sense to buy this device since it has no low frequency filter. Maybe my sub is defective, but it's rather by design. So if you don't care of headache, maybe it's only my personal issue, then you're ok to go. My Kenwood HD545U has a very good frequency range and maybe I'm facing this problem having this combination of devices with almost unlimited range.

By Dimi on October 31, 2010


found this helpful.

Quality !!

its amazing how much bass comes from a small tube. when i have the volume up half way, my trunk rattles (99' Altima) so it gets the job done. But you cant take this to a bass competition, you will lose.

By Shawn on September 4, 2010


found this helpful.

Exactly what I was looking for!

I wasn't looking to impress the neighbors by rattling their windows. I was simply wanting something to fill in the low end that my stock speaker system lacked. It also needed to fit under the back seat of my GMC Sierra extended cab pickup. The Bazooka 8" tube was just the right size at the right price so I ordered the 100 watt version. However, after notifying me that they were back ordered, Sonic offered me a significant discount on this 200 watt version. I'm so glad I got the 200 watt tube! It has the perfect punch and a very defined bass response...not muddy at all. The controls are simple. I cross mine over as high as it will cross and turn the adjustable volume all the way up. Then I control the amount of bass with my aftermarket JVC receiver. Even the installation was easy. I would highly recommend the BTA8250D. Some of the best money I've ever spent!

By Jim on March 23, 2010


found this helpful.

Bazooka Fan

Bought an 8" for my van - sounds great. This is my third one. Had a 6" and a 12" in different vehicles - all sounded great. Will always buy Bazooka.

By Hawkeye on May 19, 2013


found this helpful.

Still booming along...

I received the bazooka 8" 250w D amplified woofer tube in exchange for the infinity basslink that had failed.

Customer service at Sonic Electronix was very helpful with the return and was great with helping me choose a replacement product.

Very happy with the Bazooka tube, just as much bass as the 10" Infinity I replaced but seems more durable and seems to take less space. I had the bazooka in a small hatchback sports car and had to keep the level low. Now in the back of an crossover size SUV and at 3/4 volume but complements the factory setup perfectly.

I wired into the low output of the car so I have fade and bass control on the factory head unit. The vehicle has 8" woofers under the seats from the factory so there was some bass, but adding this bazooka with the built in crossover adds the extra low end I was lacking. Can also set the factory speakers with less bass so I can get more volume with full range sound.

Would absolutely recommend Sonic Electronix for their customer service and Bazooka for a quality product.

By Ed on March 18, 2013


found this helpful.

great price, great product

Simple design, easy to install

By Ish on April 14, 2011


found this helpful.

Getting the job done!

For me, the Bazooka 8250 was the perfect choice. I drive a Subaru Outback, and as an entertainer, the back of my car is always loaded with equipment. So I needed something powerful but with a small footprint. The 8250 delivers in a big way!

Even with only an 8 inch speaker, it fills out the bottom of my music nicely. My teenage boys like to listen to a 'rap' station on the XM radio. And while I don't enjoy that type of music, it is cool to see my rear view mirror quiver about everytime the Bazooka hits the lows.

I am very pleased with my BTA8250D so far. Sonic Electronix had one of the best prices on the web and they delivered the product quickly. If you are an audiophile or drive around with tinted windows looking to rattle the rear view mirror in other people's cars, this may not be for you. But if you are a regular guy looking for a nice, deep, punchy sub at a reasonable price, this may definitely be what you're looking for.

By Steve on October 17, 2011


found this helpful.

Bazooka BTA825D

Fast shipping, sounds good it’s not trunk-rattling but it sounds clean some songs it seems like the speaker is missing some bass.

By jason on March 27, 2020 Checkmark Icon Verified purchase


found this helpful.

Bazooka Boom

After years of big amps and sealed enclosures taking up trunk space I have really come to appreciate Bazooka products and the BTA8250D is a great fit for my old Honda Accord. Provides a really good balance of low-end sound with the aftermarket speakers in factory locations being powered by a 50wX4ch amp. This is my fourth Bazooka product and all have been great.

By jjolar on July 18, 2016


found this helpful.


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