# Q Acoustics Q SUB80 8" Active Subwoofer

Experience deep, dynamic bass with the Q Acoustics Q SUB80, a compact yet powerful subwoofer designed to enhance your home cinema or audio setup.

With an 8-inch driver and 400W peak power output, this subwoofer delivers impactful low-end frequencies while maintaining precision and control.

Whether you're watching movies, gaming, or listening to music, the Q SUB80 integrates seamlessly into your system, providing distortion-free bass with its Digital Signal Processing (DSP) technology.

Available in Satin Black or Satin White, this sleek subwoofer is the perfect addition to any modern entertainment space.

**FEATURES**

-   **Compact Powerhouse**: The **8-inch driver and 400W peak power** deliver deep bass in a compact form, perfect for smaller rooms.
-   **Advanced DSP Technology**: Ensures distortion-free performance, automatically optimising settings for seamless integration with your existing system.
-   **Infinite Baffle Design**: Produces tight, focused bass response, enhanced by internal Dart-bracing for mechanical stability.
-   **Custom-Designed Amplifier**: Features four digital power amplifier stages, improving efficiency, reducing heat, and enhancing speaker control.
-   **Flexible Room Placement**: Adjustable dual-phase and delay controls allow precise alignment for optimal performance in any setup.
-   **Low Pass Filter with Frequency Adjustment**: Enables seamless pairing with any home audio or cinema system.
-   **Auto-Power Activation**: The 12V trigger input ensures automatic power-up when connected to a compatible AV receiver.

Upgrade your sound system with the Q Acoustics Q SUB80, the perfect subwoofer for immersive, room-filling bass.

###### What You Get

-   1 x Subwoofer
-   4 x Spikes, Locking Nuts & Covers
-   1 x Power Supply
-   1 x User Manual

###### Specifications

-   **Enclosure Type:** Infinite Baffle
-   **Bass Unit Diameter:** 203mm (8 In)
-   **Effective Volume:** 13.9 Litres
-   **Max SPL @ 1m:** 107dB
-   **Frequency Response (–6dB):** 36Hz – 250Hz
-   **Low Pass Crossover Range:** 50Hz – 250Hz
-   **Peak Amplifier Power:** 400W
-   **Continuous Amplifier Power:** 200W
-   **THD @ Rated Power:** 0.09%
-   **Input Sensitivity (Max Gain):** 300mV RMS
-   **Maximum Input Level:** 2.1V RMS
-   **Input Impedance:** 20kΩ
-   **Noise Floor (A Weighted):** 50μV
-   **Dimensions (HxWxD):** 315.0mm x 315.0mm x 345.4mm
-   **Weight (Per Loudspeaker):** 15Kg
-   **Warranty:** 2 Years

## Details

- **Price:** 499.0 GBP
- **Vendor:** Q Acoustics
- **Type:** Subwoofers
- **Tags:** BLACK5, SALE5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 499.00 GBP | In stock |
| White | 499.00 GBP | In stock |

## Images

- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio
- Q Acoustics Q SUB80 8" Active Subwoofer - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/q-acoustics-q-sub80-8-active-subwoofer)
> Updated: 2026-04-29