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: 1221 mm (122.1 cm) · 1 mm = 0.46 px
Bowers & Wilkins 801 D4vsPolk Reserve R700
The Bowers & Wilkins 801 D4 stands 122.1 cm tall — about 7.7 cm more than the Polk Reserve R700 at 114.4 cm. On footprint the Bowers & Wilkins 801 D4 is the wider cabinet (41.9 cm versus 32.8 cm). At 90 dB against 88 dB, the Bowers & Wilkins 801 D4 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 801 D4 reaches deeper in the bass, down to 15 Hz versus 38 Hz. Low frequencies come from a 250 mm cone on the Bowers & Wilkins 801 D4 and a 203 mm cone on the Polk Reserve R700. On price, the Bowers & Wilkins 801 D4 sits higher — about $35,000 a pair against $1,499 for the Polk Reserve R700.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Polk |
| Model | 801 D4 | Reserve R700 |
| HiFi ladder position | #260 of 337 floorstander | #209 of 337 floorstander |
| Height | 1221 mm | 1144 mm |
| Width | 419 mm | 328 mm |
| Depth | 600 mm | 428 mm |
| Weight | 100.6 kg | 35.9 kg |
| Enclosure | bass-reflex-down | bass-reflex-down |
| Drivers | 1× 25 mm tweeter (diamond dome), 1× 150 mm midrange (Continuum cone with FST surround), 2× 250 mm woofer (Aerofoil cone) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 165 mm midrange (Turbine cone), 2× 203 mm woofer (polypropylene cone) |
| Crossover frequency | — | 350 / 2700 Hz |
| Frequency — low | 15 Hz | 38 Hz |
| Frequency — high | 28000 Hz | 38000 Hz |
| Sensitivity | 90 dB | 88 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 50–1000 W | 50–300 W |
| MAP (USD) | $35,000 / pair | $1,499 each |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | polkaudio.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.