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Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
ARega AyaBQuad S-4
Rega AyavsQuad S-4
The Rega Aya and the Quad S-4 stand at nearly the same height, around 87.1 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 178 mm cone on the Rega Aya and a 125 mm cone on the Quad S-4. On price, the Rega Aya sits higher — about $1,900 a pair against $1,499 for the Quad S-4.
| A | B | |
|---|---|---|
| Manufacturer | Rega | Quad |
| Model | Aya | S-4 |
| HiFi ladder position | #10 of 281 floorstander | #9 of 281 floorstander |
| Height | 871 mm | 870 mm |
| Width | 258 mm | 180 mm |
| Depth | 215 mm | 300 mm |
| Weight | 14.1 kg | 20.5 kg |
| Enclosure | bass-reflex-front | passive-radiator |
| Drivers | 1× 19 mm tweeter (soft dome), 1× 125 mm mid-bass (paper cone), 1× 178 mm woofer (paper cone) | 1× tweeter (ribbon), 1× 100 mm midrange (woven Kevlar cone), 2× 125 mm woofer (woven Kevlar cone) |
| Frequency — low | 40 Hz | 44 Hz |
| Frequency — high | 20000 Hz | 23000 Hz |
| Sensitivity | 89.5 dB | 88 dB |
| Impedance | 6 Ω | 6 Ω |
| Recommended amp | 110 W | 40–200 W |
| MAP (USD) | $1,900 / pair | $1,499 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | rega.co.uk ↗ | quad-hifi.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.

