QUAD S-4
Floor Standing Speaker QUAD has always prided itself as providing the complete solution to music lovers. Each QUAD component marries perfectly to other parts of the hi-fi system and is designed with one target – to be ‘The Closest Approach To The Original Sound’.QUAD S Series loudspeakers fulfil that objective admirably. Sporting a new ribbon treble unit aligned, through sophisticated crossover networks, to QUAD ’s advanced bass-midrange drivers, each and every loudspeaker in the range delivers all the nuances and passion of the original performance.
| Brand | QUAD |
| Model | S-4 |
| Drivers | 2 x 125mm Woven Kevlar® |
| Woofer | 2 x 125mm Woven Kevlar® |
| Woofer diameter (mm) | 125 |
| Midrange | 100mm Woven Kevlar® |
| Midrange diameter (mm) | 100 |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 44 Hz – 23000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 88 |
| Impedance (Ω) | 6 |
| Recommended amplifier power, least (W) | 40 |
| Recommended amplifier power, most (W) | 200 |
| Built-in amplifier power (W) | |
| Height (mm) | |
| Width (mm) | |
| Depth (mm) | |
| Weight (kg) | 20.5 |