TrueScale
Compare speakers at true scale.
TrueSpecs
Compare technical specifications (up to 4 speakers).
References
Front view — side by side at true scale
ADynaudio Special FortyBBowers & Wilkins 805 D4
Click either cabinet to swap A ↔ B · Reference height: 440 mm (44.0 cm) · 1 mm = 1.27 px
Specifications
| A | B | |
|---|---|---|
| Model | Dynaudio Special Forty | Bowers & Wilkins 805 D4 D4 |
| Height | 360 mm | 440 mm |
| Width | 198 mm | 228 mm |
| Depth | 322 mm | 373 mm |
| Weight | 8.1 kg | 15.55 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 28 mm tweeter (Esotar Forty soft dome), 1× 170 mm mid-bass (MSP cone) | 1× 25 mm tweeter (diamond dome), 1× 165 mm mid-bass (Continuum cone) |
| Frequency — low | 41 Hz | 42 Hz |
| Frequency — high | 23000 Hz | 28000 Hz |
| Sensitivity | 86 dB | 88 dB |
| Impedance | 6 Ω | 8 Ω |
| Recommended amp | — | 50–120 W |
| Manufacturer | dynaudio.com ↗ | bowerswilkins.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.