Front view — side by side at true scale
AT+A Solitaire S 540BMonitor Audio Hyphn
| A | B | |
|---|---|---|
| Manufacturer | T+A | Monitor Audio |
| Model | Solitaire S 540 | Hyphn |
| HiFi ladder position | #258 of 276 floorstander | #250 of 276 floorstander |
| Height | 1480 mm | 1392 mm |
| Width | 320 mm | 501 mm |
| Depth | 520 mm | 520 mm |
| Weight | 80 kg | 106.9 kg |
| Enclosure | sealed | bass-reflex-down |
| Drivers | 1× tweeter (magnetostat), 7× 90 mm midrange (StarStabilizer), 4× 220 mm woofer (aluminium) | 1× tweeter (MPD III — Micro Pleated Diaphragm), 6× 50 mm midrange (RDT III — Rigid Diaphragm Technology), 4× 200 mm woofer (RDT III, force-cancelled) |
| Frequency — low | 20 Hz | 18 Hz |
| Frequency — high | 45000 Hz | 60000 Hz |
| Sensitivity | 88 dB | 86 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 200–1600 W |
| MAP (USD) | $54,900 / pair | $49,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | ta-hifi.de ↗ | monitoraudio.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.

