TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 34.3 in · 1 in = 16.33 px
Quad S-4vsRega Aya
The Quad S-4 and the Rega Aya stand at nearly the same height, around 87.0 cm tall. On footprint the Rega Aya is the wider cabinet (25.8 cm versus 18.0 cm). At 89.5 dB against 88 dB, the Rega Aya is the easier load to drive and plays louder from the same amplifier. The Rega Aya reaches deeper in the bass, down to 40 Hz versus 44 Hz. Low frequencies come from a 125 mm cone on the Quad S-4 and a 178 mm cone on the Rega Aya. On price, the Rega Aya sits higher — about $1,900 a pair against $1,499 for the Quad S-4.
| A | B | |
|---|---|---|
| Manufacturer | Quad | Rega |
| Model | S-4 | Aya |
| HiFi ladder position | #9 of 281 floorstander | #10 of 281 floorstander |
| Height | 34.3 in | 34.3 in |
| Width | 7.1 in | 10.2 in |
| Depth | 11.8 in | 8.5 in |
| Weight | 45.2 lb | 31.1 lb |
| Enclosure | passive-radiator | bass-reflex-front |
| Drivers | 1× tweeter (ribbon), 1× 3.9 in midrange (woven Kevlar cone), 2× 4.9 in woofer (woven Kevlar cone) | 1× 0.7 in tweeter (soft dome), 1× 4.9 in mid-bass (paper cone), 1× 7 in woofer (paper cone) |
| Frequency — low | 44 Hz | 40 Hz |
| Frequency — high | 23000 Hz | 20000 Hz |
| Sensitivity | 88 dB | 89.5 dB |
| Impedance | 6 Ω | 6 Ω |
| Recommended amp | 40–200 W | 110 W |
| MAP (USD) | $1,499 / pair | $1,900 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | rega.co.uk ↗ |
| 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.