TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 1180 mm (118.0 cm) · 1 mm = 0.47 px
Bowers & Wilkins 803 D4vsT+A Solitaire S 430
The T+A Solitaire S 430 stands 118.0 cm tall — about 1.5 cm more than the Bowers & Wilkins 803 D4 at 116.5 cm. On footprint the Bowers & Wilkins 803 D4 is the wider cabinet (33.8 cm versus 26.0 cm). At 90 dB against 86 dB, the Bowers & Wilkins 803 D4 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 803 D4 reaches deeper in the bass, down to 19 Hz versus 29 Hz. Low frequencies come from a 180 mm cone on the Bowers & Wilkins 803 D4 and a 220 mm cone on the T+A Solitaire S 430. Both land in a similar price bracket, around $28,450 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | T+A |
| Model | 803 D4 D4 | Solitaire S 430 |
| HiFi ladder position | #178 of 276 floorstander | #192 of 276 floorstander |
| Height | 1165 mm | 1180 mm |
| Width | 338 mm | 260 mm |
| Depth | 511 mm | 440 mm |
| Weight | 62.15 kg | 55 kg |
| Enclosure | bass-reflex-down | bass-reflex-down |
| Drivers | 1× 25 mm tweeter (diamond dome), 1× 130 mm midrange (Continuum cone with FST surround), 2× 180 mm woofer (Aerofoil cone) | 1× tweeter (magnetostat), 2× 150 mm midrange (aluminium), 2× 220 mm woofer (aluminium) |
| Frequency — low | 19 Hz | 29 Hz |
| Frequency — high | 28000 Hz | 45000 Hz |
| Sensitivity | 90 dB | 86 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 50–500 W | — |
| MAP (USD) | $27,000 / pair | $29,900 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | ta-hifi.de ↗ |
| 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.