Dual SBP8A 160 Watts Single 8” Amplified Bandpass Enclosure

8" Powered Bandpass Enclosure

By Dual

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Description & Features+

The SBP8A comes ready to deliver rich and powerful bass with an 8” subwoofer in an amplified bandpass enclosure. The built-in amplifier delivers up to 160 Watts of power to the sub. The SBP8A features an 8” subwoofer with a 2” Kapton® 4 layer DVC (dual 2-ohm voice coils), illumiNITE™ cool blue illumination and a full view plexiglass window to highlight the power within. The subwoofer also features a heavy duty 30oz magnet with an attractive stamped steel frame and chrome backplate. Frequency response is 20 – 200Hz and impedance is 4 ohms. The SBP8A offers both low level (RCA) and high level (speaker wire) inputs, and features ATCS (Advanced Temperature Control System). Phase control, input level adjustment, and barrier strip power connections are some of the additional features the SBP8A offers.

Subwoofer Features

  • 8" High-performance subwoofer
  • Rigid polypropylene cone
  • Durable rubber surround
  • Heavy duty 30oz magnet
  • Stamped steel frame with chromed backplate
  • DVC (Dual 2-ohm voice coil)
  • 2" Voice coil with vented Kapton former
  • ATCS (Advanced Temperature Control System)


Enclosure Features

  • 4th order bandpass design
  • Acoustically matched enclosure
  • Durable carpeted enclosure with reinforced construction
  • Full view plexiglass window
  • Blue illumiNITE™ LED illumination
  • Glass mirrored chamber
  • Compact size for easy installation
  • Wedged design fits against most back seats


Amplifier Features

  • Performance-matched class B design
  • Low level inputs (RCA)
  • High level inputs (speaker)
  • Variable input level control
  • Variable low-pass control
  • Barrier strip power terminals



  • Maximum output power: 160 Watts
  • Continuous output: 80 Watts
  • Frequency response: 20-200Hz
  • Signal-to-Noise ratio @ 1W: 72dB
  • Input impedance: 4 ohms
  • Low level (RCA): 10k ohms
  • High level (speaker): 2K ohms
  • Input sensitivity (RCA): 50mV - 3V
  • Crossover frequency: 70-200Hz

Model Number: SBP8A


Available for Shipping to Canada Post
Product Identifiers
Walmart Item #
Model #

Return Policy+

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You can return this item within 90 days from the day you receive your online order.

There are two easy ways to return this item:

  • Return this item to a Walmart store
  • Return this item by mail

From the Manufacturer +

Ratings & Reviews+

Dual SBP8A 160 Watts Single 8” Amplified Bandpass Enclosure is rated 5.0 out of 5 by 5.
Rated 5 out of 5 by from Sub works great! Im not a huge fan of the light because im using in a hatchback, but if your just looking for extra bass, this setup is perfect with amp included, i also bought the amp kit that dual sells, goes perfect together, shipping was great too
Date published: 2017-03-14
Rated 5 out of 5 by from Boom Great buy, quick and easy install, looks great. Adds the extra atmosphere in light and sound. Perfect for the price and very happy with it.
Date published: 2015-10-26
Rated 5 out of 5 by from Worth every penny Had this for a year now no problems what's so ever. Not gonna lie I hesitated when buying this but I'm completely satisfied with it, great sound, its can hit really low and very easy to set up. I wish they had a bigger and louder version of this type .
Date published: 2015-10-09
Rated 5 out of 5 by from This is an awsome product. It is perfect in my jeep. It's also nice to have the amp and speaker all in one. It takes up less space.
Date published: 2012-03-08
Rated 5 out of 5 by from Trust me. I'm a bit of a stickler when it comes to buying something, and I always investigate and investigate before I purchase anything. I read about this unit online and have heard nothing but great reviews about this product. After looking over at least 20 options I chose this unit. I have a 2003 PT Cruiser and I was looking to basically "round" my sound in my car. I had a mobile business install it in my driveway, and the installer has been installing for 15 + years. After sitting patiently and waiting for the final hookup to the battery (all the while guessing if it would be good or not) he fired it up went to the back and set the levels then closed the doors and sat in there to try it. When I saw his face in complete shock this unit bangs hard and really delivers the bass hard lol. He got out and told me that not only was it well built but he couldn't belive the performance and my car bumped like the old days back in high school. I paired it with the Scohi amp kit and again he told me I couldn't have bought a better unit for the money. I've only had it for a few days at this point but belive me......it's worth every penny. I like my champagne at beer prices. Hope this helps thx. :)
Date published: 2017-08-28
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