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Front view — side by side at true scale
Bowers & Wilkins 805 D4vsParadigm Founder 40B
The Bowers & Wilkins 805 D4 stands 44.0 cm tall — about 7.2 cm more than the Paradigm Founder 40B at 36.8 cm. On footprint the Bowers & Wilkins 805 D4 is the wider cabinet (22.8 cm versus 21.6 cm). At 89 dB against 88 dB, the Paradigm Founder 40B is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 805 D4 reaches deeper in the bass, down to 42 Hz versus 69 Hz. Low frequencies come from a 165 mm cone on the Bowers & Wilkins 805 D4 and a 152 mm cone on the Paradigm Founder 40B. On price, the Bowers & Wilkins 805 D4 sits higher — about $8,000 a pair against $2,200 for the Paradigm Founder 40B.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Paradigm |
| Model | 805 D4 | Founder 40B |
| HiFi ladder position | #201 of 255 bookshelf | #135 of 255 bookshelf |
| Height | 440 mm | 368 mm |
| Width | 228 mm | 216 mm |
| Depth | 373 mm | 320 mm |
| Weight | 15.55 kg | 5.1 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (diamond dome), 1× 165 mm mid-bass (Continuum cone) | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm mid-bass (AL-MAG cone) |
| Crossover frequency | — | 1600 Hz |
| Frequency — low | 42 Hz | 69 Hz |
| Frequency — high | 28000 Hz | 23000 Hz |
| Sensitivity | 88 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 50–120 W | 15–150 W |
| MAP (USD) | $8,000 / pair | $2,200 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | paradigm.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.

