# Kerr Acoustics K400

Bookshelf / standmount passive loudspeaker, made by Kerr Acoustics (🏴󠁧󠁢󠁥󠁮󠁧󠁿 GB-ENG).

Source: https://truescaleaudio.com/en/speaker/kerr-acoustics-k400
Manufacturer page: https://www.kerracoustic.com/k400

## Dimensions

| Dimension | Metric | Imperial |
| --- | --- | --- |
| Height | 341 mm | 13.4 in |
| Width | 164 mm | 6.5 in |
| Depth | 310 mm | 12.2 in |
| Weight (each) | 7.5 kg | 17 lb |

## Drivers

- 1 × 150 mm (6 in) mid-bass — wood-fibre cone, patented symmetrical-drive motor
- 1 × tweeter — true ribbon, 45 mm True Ribbon, 0.02 g diaphragm

## Specifications

| Specification | Value |
| --- | --- |
| Type | Bookshelf / standmount |
| Power | Passive |
| Enclosure | Transmission line |
| Frequency response | 39–45000 Hz |
| Crossover | 1950 Hz |
| Sensitivity | 88 dB |
| Impedance | 6 Ω nominal |
| Price (USD) | $5,995 / pair |

## About

Kerr Acoustic's most compact model — a two-way stand-mount pairing a 150 mm wood-fibre mid-bass with a 45 mm True Ribbon tweeter in a Baltic-birch transmission-line cabinet. The transmission line gives a small box unusually deep, even bass, hand-built in Cambridge, England.

## See it to scale

This catalogue draws cabinets at their real size side by side, which no text version can reproduce. Compare the Kerr Acoustics K400 against another speaker at https://truescaleaudio.com/en/compare?a=kerr-acoustics-k400