TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
AQuad S-4BFyne Audio F55E
Click either cabinet to swap A ↔ B · Reference height: 925 mm (92.5 cm) · 1 mm = 0.61 px
| A | B | |
|---|---|---|
| Manufacturer | Quad | Fyne Audio |
| Model | Quad S-4 | Fyne Audio F55E |
| Height | 870 mm | 925 mm |
| Width | 180 mm | 210 mm |
| Depth | 300 mm | 236 mm |
| Weight | 20.5 kg | 11.9 kg |
| Enclosure | passive-radiator | bass-reflex-down |
| Drivers | 1× tweeter (ribbon), 1× 100 mm midrange (woven Kevlar cone), 2× 125 mm woofer (woven Kevlar cone) | 1× 19 mm tweeter (titanium dome), 1× 125 mm mid-bass (multi-fibre cone), 1× 125 mm woofer (multi-fibre cone) |
| Frequency — low | 44 Hz | 42 Hz |
| Frequency — high | 23000 Hz | 38000 Hz |
| Sensitivity | 88 dB | 88 dB |
| Impedance | 6 Ω | 8 Ω |
| Recommended amp | 40–200 W | 30–120 W |
| MAP (USD) | $1,499 / pair | $1,143 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | fyneaudio.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.