# Q Acoustics Q Active 400

Floorstanding active loudspeaker from the Q Active series, made by Q Acoustics (🏴󠁧󠁢󠁥󠁮󠁧󠁿 GB-ENG).

Source: https://truescaleaudio.com/en/speaker/q-acoustics-q-active-400
Manufacturer page: https://www.qacoustics.co.uk/products/q-acoustics-q-active-400

## Dimensions

| Dimension | Metric | Imperial |
| --- | --- | --- |
| Height | 825 mm | 32.5 in |
| Width | 288 mm | 11.3 in |
| Depth | 290 mm | 11.4 in |
| Weight (each) | 17.5 kg | 39 lb |

## Drivers

- 2 × 58 mm (2.3 in) midrange — BMR (Balanced Mode Radiator), Full-range BMR pair — no separate tweeter; DSP-driven
- 2 × 114 mm (4.5 in) woofer — high-excursion cone, Crossover 150 Hz

## Specifications

| Specification | Value |
| --- | --- |
| Type | Floorstanding |
| Power | Active |
| Enclosure | Bass reflex, rear port |
| Frequency response | 35–20000 Hz (±6 dB) |
| Crossover | 150 Hz |
| Built-in amplification | 140 W per speaker |
| Introduced | 2020 |

## About

Active wireless floorstanding system: two 58 mm BMR full-range drivers over twin 114 mm high-excursion woofers per speaker, with 140 W of internal DSP amplification and a 150 Hz crossover. Streams via the included Control Hub (Chromecast, AirPlay 2, HDMI ARC) over a 5.8 GHz hi-res link. Now discontinued.

## See it to scale

This catalogue draws cabinets at their real size side by side, which no text version can reproduce. Compare the Q Acoustics Q Active 400 against another speaker at https://truescaleaudio.com/en/compare?a=q-acoustics-q-active-400