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Atrend Bbox Quad 6x9 Unloaded Sealed Speaker Box, Premium MDF Angled Enclosure for Four 6x9 Speakers w/ Pre-Wired Leads & Polyfill, Custom DIY Car Audio for Truck/SUV

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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Aug 11
Order within 19 hours and 9 minutes
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Color: Charcoal


Style: Angled Single Quad Sealed


Features

  • OPTIMIZED FOR SOUND QUALITY Each individual sealed chamber is pre-lined with polyfill dampening material to absorb internal resonance, ensuring clean, controlled performance whether you're building for powerful mid-bass or detailed mid-range accuracy.
  • BUILD YOUR CUSTOM SOUND WALL Create a massive audio presence by installing FOUR of your favorite 6x9-inch speakers in this single, unique enclosurethe ultimate foundation for a powerful sound system.
  • ULTIMATE SPEAKER FLEXIBILITY This unloaded enclosure gives you the freedom to install any 6x9" speakers you prefer, from powerful mid-bass woofers to full-range coaxial, 2-way, 3-way, or 4-way models.
  • HEAVY-DUTY ANGLED DESIGN The rugged cabinet is built from high-grade MDF wood with an angled baffle designed to fit perfectly behind the seat of a truck or in an SUV, optimizing sound projection.
  • READY FOR EASY INSTALLATION Save time and hassle. Each chamber comes with pre-terminated speaker wire leads ready to connect to your speaker, while the four individual external terminal cups give you complete control over your final wiring configuration.

Description

The Foundation for Your Wall of Sound. You're building a sound system that needs to make a statement. You've picked out your favorite 6x9" speakers and now you need a home for them that's as ambitious as your audio goals. The Atrend - Bbox Series Quad 6x9 Unloaded Enclosure is the unique, high-quality foundation for your ultimate custom audio build. Your Speakers, Your Sound, Your Way. This isn't a pre-packaged system with speakers you didn't choose. This is a blank canvas for your creativity. Our unique quad-speaker design allows you to install four separate 6x9" speakers in a single, solid enclosure, giving you the power to create a soundstage that is simply impossible with a standard speaker pair. The premium MDF construction and sealed, airtight design ensure your speakers will perform at their peak, free from rattles and distortion. Built for Big Projects, Ready for a Quick Install. We've taken care of the details to make your custom build easier. Each chamber comes pre-stuffed with polyfill acoustic dampening for cleaner sound and includes pre-terminated speaker wire leads to speed up your installation. The four separate external terminal cups give you the professional flexibility to wire your system exactly how you want it. It's the ultimate behind-the-seat enclosure for a truck or the perfect starting point for a massive tailgate sound system. Stop Dreaming. Start Building. Get the Atrend Quad Enclosure System.

Brand: Atrend


Speaker Maximum Output Power: 100 Watts


Frequency Response: 20 Hz


Connectivity Technology: USB


Audio Output Mode: Stereo


Input Voltage: 12 Volts


Mounting Type: Universal


Material: Wood


Model Name: Single Quad Sealed 6x9


Speaker Type: Component


Special Feature: Pre-Terminated Speaker Wire Leads, Silver Spring Loaded Terminal Cups, Accepts Four 6x9 Speakers or Woofers


Recommended Uses For Product: For Speakers


Compatible Devices: MP3 Player, Laptop, Tablet, Smartphone


Subwoofer Diameter: 6 Inches


Unit Count: 1.0 Count


Surround Sound Channel Configuration: 2.0


Color: Charcoal


Included Components: Speaker Wire


Product Dimensions: 6"D x 48"W x 8"H


Age Range (Description): Adult


Is Waterproof: False


Warranty Type: Limited


Number of Items: 1


Control Method: Touch


Speaker Size: 6 Inches


Power Source: Corded Electric


Woofer Diameter: 6 Inches


Vehicle Service Type: Golf Cart, Van, RV, Car, Truck


Water Resistance Level: Not Water Resistant


Customer Package Type: Standard Packaging


Audio Driver Type: Dynamic Driver


Audio Driver Size: 6 Inches


Connectivity Protocol: USB


Includes MP3 player?: No


Specific Uses For Product: 6x9 Speaker Installation, 6x9 Woofer Installation


UPC: 636644602845


Style: Angled Single Quad Sealed


Manufacturer: Atrend


Item Weight: 14.67 pounds


Country of Origin: USA


Item model number: SC6x9 - Four Way


Date First Available: February 15, 2021


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Aug 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Great Box!
Color: Charcoal Style: Angled Single Quad Sealed
Perfect fits like a glove
Reviewed in the United States on April 29, 2025 by Killer sound ! Out performed the Polk DB I was running. I am using a 4 channel sound cubed on the jbls and they are rockin!! Killer sound ! Out performed the Polk DB I was running. I am using a 4 channel sound cubed on the jbls and they are rockin!!

  • Great sound
Color: Charcoal Style: Angled Single Quad Sealed
fit perfect in singlecab
Reviewed in the United States on March 20, 2025 by 8325649855

  • Sounds great
Color: Charcoal Style: Angled Single Quad Sealed
Great quality and sounds awesome
Reviewed in the United States on July 16, 2025 by chase stockwell

  • As advertised
Color: Charcoal Style: Angled Single Quad Sealed
Looks great works great
Reviewed in the United States on June 1, 2025 by Keithcover

  • Dimensions are not as advertised. It's bigger than described
Color: Charcoal Style: Angled Single Quad Sealed
Too big for my area. Dimensions larger than advertised
Reviewed in the United States on June 20, 2024 by Andrea hester

  • good box
Color: Charcoal Style: Angled Single Quad Sealed
got the 6x9 4 way box , got 4 pioneer in there and it sounds great
Reviewed in the United States on October 30, 2024 by Tara

  • Amazing ⭐️⭐️⭐️⭐️⭐️
Color: Charcoal Style: Angled Single Quad Sealed
⭐️⭐️⭐️⭐️⭐️ perfect fit amazing sound
Reviewed in the United States on April 4, 2024 by Ronald Andrews Rowe

  • Good box
Color: Charcoal Style: Angled Single Quad Sealed
A+
Reviewed in the United States on March 30, 2024 by Jessica

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