# Quad S-4

Floorstanding passive loudspeaker from the S series, made by Quad (🏴󠁧󠁢󠁥󠁮󠁧󠁿 GB-ENG).

Source: https://truescaleaudio.com/en/speaker/quad-s-4
Manufacturer page: https://quad-hifi.co.uk/products/s-4

## Dimensions

| Dimension | Metric | Imperial |
| --- | --- | --- |
| Height | 870 mm | 34.3 in |
| Width | 180 mm | 7.1 in |
| Depth | 300 mm | 11.8 in |
| Weight (each) | 20.5 kg | 45 lb |

Width is the cabinet. Including the plinth or outriggers it spans about 260 mm (10.2 in).

## Drivers

- 1 × tweeter — ribbon, 45×12mm true ribbon
- 1 × 100 mm (4 in) midrange — woven Kevlar cone
- 2 × 125 mm (5 in) woofer — woven Kevlar cone

## Specifications

| Specification | Value |
| --- | --- |
| Type | Floorstanding |
| Power | Passive |
| Enclosure | Passive radiator |
| Frequency response | 44–23000 Hz |
| Crossover | 520 / 3900 Hz |
| Sensitivity | 88 dB |
| Impedance | 6 Ω nominal |
| Recommended amplifier | 40–200 W |
| Price (USD) | $1,499 / pair |
| Introduced | 2015 |

## About

A slim three-way S-line floorstander with twin 125 mm woven-Kevlar woofers, a 100 mm midrange and the true-ribbon tweeter, its bass reinforced by auxiliary passive radiators. A narrow ribbon tower for a medium room.

## See it to scale

This catalogue draws cabinets at their real size side by side, which no text version can reproduce. Compare the Quad S-4 against another speaker at https://truescaleaudio.com/en/compare?a=quad-s-4