QBUS8V2

Compact Loaded Subwoofer

8" Powered Sub Box with Integrated Amp
All in one

$109.99
  • Compact Subwoofer Box That Can Fit Under Your Seat
  • Powerful 100 Watts RMS Class-D Amplifier Built-in
  • Works Perfectly With Any Aftermarket or Factory Radio
  • Wired Bass Remote Included
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A Compact Subwoofer Box That Can Fit Under Your Seat

This 8-inch subwoofer is housed in a rugged aluminum chassis, specifically designed to offer incredible strength and protection while effectively dissipating heat. Best of all, the housing is less than 10” wide by 14” long, giving the QBUS a footprint about the size of a legal pad. At about 2.5” thick, it slides easily under the seat of most sedans and SUVs. If you have room for a book, you have room for bass.

Powerful 100 Watts RMS Built-in Class-D Amplifier

What separates the QBUS from other compact bass solutions is the acoustic performance and quality of the construction. While it won't shake your rearview mirror off, the low-end response of the QBUS is perhaps best described as strikingly powerful; the tight, crisp bass carries a strong presence without overpowering the more delicate frequencies

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Works Perfectly With Any Aftermarket or Factory Radio

One concern many of our customers have when buying a subwoofer is whether or not it will work with their specific sound system. In most cases, you have to match an amplifier with your new subwoofer; however, with the QBUS8v2, there is already a built-in amplifier that is perfectly matched for this specific subwoofer. This also makes the installation process much easier. RCA and speaker-level (high-level) inputs allow this subwoofer to work with any aftermarket or factory radio when properly tuned. You can also get even more out of it with a Digital Sound Processor like the NVX XLCA2.

Wired Bass Remote Included

The included bass control knob allows you to quickly adjust the level of bass for different types of music. Most other brands do not include this necessary remote in the box. They will oftentimes sell it as a separate add-on. At NVX, we want to ensure that we are giving all of our customers the best bang for their buck.

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$139.99
In stock
SKU
qbus8v2
• Low Profile Powered Subwoofer System
• 100 Watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Strikingly Powerful, Tight, Crisp Bass

The NVX QBUS8v2 is a phenomenal exemplification of the best thing modern technology offers us - freedom. Freedom to roam, to communicate, and in our case, to enjoy the depth and richness of your music without adding bulky amplifiers and subwoofer enclosures. We realize there are people who aren't quite satisfied with a dull, lifeless factory system, but also don't care to set off car alarms every time they turn the stereo up. It was with this customer in mind that the QBUS8v2 was born. What separates the QBUS from other compact bass solutions is the acoustic performance and quality of the construction. While it won't shake your rear view mirror off, the low-end response of the QBUS is perhaps best described as strikingly powerful; the tight, crisp bass carries a strong presence without overpowering the more delicate frequencies. The included bass control knob allows you to quickly adjust the level of bass for different types of music.


Rugged Aluminum Chassis

The beautiful thing about the QBUS8v2 is that it's a fully contained subwoofer system, consisting of an ultra-durable woven fiberglass 8” woofer driven by a highly efficient class D amplifier. These components are housed in a rugged aluminum chassis, specifically designed to offer incredible strength and protection while effectively dissipating heat. Best of all, the housing is less than 10” wide by 14” long, giving the QBUS a footprint about the size of a legal pad. At about 2.5” thick, it slides easily under the seat of most sedans and SUVs. If you have room for a book, you have room for bass.


Easy to Install & Enjoyable to Use

While spectacular sound quality and compact, rugged construction might be enough for some, we at NVX believe in designing products that are as easy to install as they are enjoyable to use. The QBUS8v2 features speaker-level inputs with signal sensing automatic turn-on, allowing you to tap directly into your existing speaker wire without running RCA and remote wires. Adjustable input sensitivity, crossover, phase and bass boost controls make it easy to tune the sound to your preference. Silver-plated RCA connections and wire terminals ensure a tight connection with maximum conductivity.

NVX QBUS8v2 Under Seat
NVX QBUS8v2 conveniently stored under the passenger seat

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RMS Power  100 Watts 75 Watts
Frequency Response: 45-150Hz 45-150Hz
 Variable low-pass filter: 50-150 Hz 50-150 Hz
Auto Turn ON
Adjustable Phase Control
Integrated Mounting Tabs 
Warranty *2 Year Manufacturer's 1 Year Manufacturer's


Product Details:

  • 8" Active Enclosed Low Profile Powered Subwoofer System
  • Power Handling:
    • Peak: 200 watts
    • RMS: 100 watts
  • All-weather woven fiberglass woofer cone
  • Frequency Response: 45-150Hz
  • S/N Ratio: > 90 dB
  • THD: < 0.4%
  • Adds crisp, clean bass to any system
  • Built-in Class-D Amplifier
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 45Hz)
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Heavy-duty die-cast aluminum alloy heat-sink for extreme heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Input sensitivity:
    • Level: 110mV-0.5V
  • Variable subsonic filter (20-50 Hz)
  • Variable low-pass filter (50-150 Hz)
  • Phase Shift: 0-180°
  • Frequency response: 20-150 Hz ±1dB
  • 8 gauge power and ground wiring are required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this powered loaded enclosure
  • Dimensions: Length: 13.5” x Width: 9 8/10” x Height: 2 8/10”
  • 1-year Manufacturer's Warranty
More Information
Color Black
Manufacturer NVX
Size 8-inch
Series QBUS-Series
Item Returns This item can be returned
  1. Are Under the Seat Subwoofers Any Good? Are Under the Seat Subwoofers Any Good? Historically, subwoofers have been enclosed in massive boxes that take up your entire trunk or hatch space; now, many brands are attempting to appeal to larger audiences by supplying more compact options such as under the seat subwoofers. But, are they really any good?
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