BeoLab 5 vs BeoLab 9 vs BeoLab 20
Three Legendary B&O Speakers on the Used Market
All three are discontinued classics. All three can still deliver world-class sound today. Here's what separates them.
The BeoLab 5, BeoLab 9, and BeoLab 20 represent three of Bang & Olufsen's most distinctive and respected loudspeakers — each with a cult following, each with a very different design philosophy. None are in current production, but all three remain highly sought after on the pre-owned market and are capable of genuinely exceptional performance when properly set up.
For buyers interested in classic B&O, understanding what makes each speaker unique is essential before investing.
| Specification | BeoLab 5 | BeoLab 9 | BeoLab 20 |
|---|---|---|---|
| Type | 4-way active floor-stander | 2-way active floor-stander | 3-way active wireless floor-stander |
| Produced | 2002–2020 | 2007–2018 | 2015–2022 |
| Total power | 2,500W | 1,000W | 1,680W |
| Acoustic Lens Technology | Yes (omnidirectional high freq.) | No | Yes |
| Adaptive Bass System | Yes | No | Yes |
| Wireless audio | No (Power Link only) | No (Power Link only) | Yes (WiSA wireless) |
| Power Link | Yes | Yes | Yes + WiSA |
| Room compensation | Yes (floor mode, manual) | Basic | Yes (ICEpower) |
| Design language | Sculptural, conical | Slim rectangular tower | Wide, oval form |
| Bass driver | 10-inch, Adaptive Bass System | 8-inch woofer | 2× 10-inch woofers |
| Typical pre-owned price (pair) | £5,000–£12,000 | £3,000–£6,000 | £6,000–£10,000 |
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The BeoLab 5 is arguably the most famous Bang & Olufsen loudspeaker ever made. Designed in 2002 by industrial designer David Lewis and acoustic engineer Mads Kogsgaard Hansen, it introduced the Acoustic Lens — an omnidirectional high-frequency dispersion system that fires sound upward and outward in a 180° arc. Combined with an Adaptive Bass System that automatically adjusts bass output based on room acoustics, the BeoLab 5 was genuinely years ahead of its time.
At 2,500W of total amplification, it remains one of the most powerful domestic loudspeakers ever built. In a large room, properly positioned, it is still among the finest listening experiences you can have in the B&O world.
Where the BeoLab 5 is dramatic, the BeoLab 9 is refined. A slim, rectangular tower with a clean aluminium finish, it was designed to disappear visually while delivering powerful, articulate sound. At 1,000W, it has less raw power than the BeoLab 5 or 20, but its two-way design with a large 8-inch woofer delivers strong bass and excellent midrange clarity.
The BeoLab 9 works exceptionally well in smaller to medium rooms and suits buyers who want B&O floor-standing performance without the visual drama of the BeoLab 5. It connects via Power Link only — no wireless capability.
The BeoLab 20 bridges the gap between the BeoLab 5 era and the modern wireless B&O world. It retains the Acoustic Lens from the BeoLab 5, delivering that signature omnidirectional high-frequency dispersion, while adding WiSA wireless connectivity — making it the only one of the three that can function as a wireless speaker in a modern setup without being wired to a B&O source device via Power Link.
With 1,680W and twin 10-inch woofers, the BeoLab 20 is a physically imposing speaker with genuinely large-room capability. Its oval, wide form factor means it needs a room to match.
For: The serious B&O collector
The BeoLab 5 is for those who want an iconic piece of audio history and a listening experience that remains world-class. Requires a dedicated, properly sized room and ideally a B&O source device for full functionality.
For: Elegant, lower-profile performance
The most visually understated of the three. Well suited to medium-sized rooms where the BeoLab 5 or 20 would be overkill. Excellent value on the pre-owned market.
For: Wireless flexibility in a large room
The only option with WiSA wireless, making it compatible with modern wireless home cinema setups. For large rooms where the Acoustic Lens's dispersal works best. The most modern of the three architecturally.
Each is a masterpiece in its own right. Your choice depends on room, budget, and connectivity needs.
If you can live with Power Link wiring and have the room for it, the BeoLab 5 is the most extraordinary listening experience of the three — and one of the finest speakers ever produced at any price. The BeoLab 20 is the best choice for modern wireless setups. The BeoLab 9 is the most practical and accessible of the three.
Looking for a pre-owned BeoLab speaker?
Browse our classic BeoLab inventory at BeoVerse
BeoLab 5, 9, and 20 appear regularly in our stock — all fully tested.
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