B&O-Bang & Olufsen Beosound A9
Beosound A9 (5th Gen) — sculptural design with room‑filling performance
Bang & Olufsen's Beosound A9 balances showpiece aesthetics with serious sonic muscle. The circular, multi‑driver array—including a dedicated 8" woofer with a 400 W Class D amp and extensive per‑driver amplification—delivers deep, controlled low end, articulate mids and refined highs, producing an expansive, enveloping soundstage ideal for 15–100 m² rooms. The system's DSP suite, notably Active Room Compensation and Adaptive Bass Linearization, keeps bass tight and voices natural while preserving dynamic punch and clarity.
Beyond sound, the A9 is a customizable objet d'art: precision‑milled aluminum hardware, oak legs and swappable fabric covers let it sit as furniture or focal artwork—an approach celebrated by Best of High End and highlighted in limited editions covered by The Ear. Connectivity is comprehensive—Dual‑band Wi‑Fi, Bluetooth 5.3, AirPlay, Spotify Connect, Google Cast, TIDAL Connect and USB‑C line‑in—so it fits modern multiroom and streaming setups, as noted by ecoustics.
For buyers seeking a statement speaker that pairs museum‑quality design with powerful, well‑engineered sound (final score: 92.3), the Beosound A9 is a compelling choice for living rooms, open‑plan spaces and design‑forward systems.
WATT RECOMMENDS
Save your favorites. Compare them anytime.
Create a free HiFi Hub account to save products to your Wishlist and compare your favorites side by side.
Deliciously Crispy
Sound Quality
92/100
Build Quality
96/100
Features Connectivity
95/100
Value for Money
78/100
Pros
Deep, controlled bass and strong dynamics driven by a dedicated 8" woofer and high‑power amplification, yielding room‑filling low end and headroom.
Iconic, highly customizable design and premium materials (aluminium, oak legs, fabric/wool) that make the speaker a design object as well as an audio system.
Comprehensive modern features and connectivity—Active Room Compensation, Adaptive Bass Linearization, AirPlay, Spotify Connect, Google Cast and USB‑C input—making it flexible for multiroom and streaming setups.
Cons
Premium pricing positions the A9 for luxury buyers rather than value‑focused shoppers.
WATT RECOMMENDS
Save your favorites. Compare them anytime.
Create a free HiFi Hub account to save products to your Wishlist and compare your favorites side by side.
SOUND QUALITY PERFORMANCE 92/100
Bass
93/100
Single 8" woofer driven by a dedicated 400 W Class D amp plus extensive Class D power across drivers and Adaptive Bass Linearization and Active Room Compensation. Specs and recommended room size (15–100 m²) imply strong low-frequency authority and room-filling capability; score placed in the 'mid-tower' excellent band given the active DSP and high amp power.
Mid
92/100
Multiple dedicated mid-range drivers (2 x 3" mid-range and 2 x 1½" full-range) with per-driver amplification and room compensation indicate natural, well-controlled mids and coherent crossover regions. Design and DSP point to excellent vocal presence and timbral fidelity for a single-cabinet active floorstander.
Treble
91/100
Multiple tweeter complements (2 x ¾" tweeters) and significant DSP/control suggest extended, refined treble with good detail and low harshness. The system's emphasis on adaptive compensation and high total power supports clean high-frequency response at listening levels.
Soundstage Imaging
93/100
Circular, multi-driver layout with stereo-pairing capability and Beolink multiroom support implies very wide, enveloping sound and excellent depth when paired or placed correctly. Active room compensation and networked stereo pairing will enhance stage width and layering compared with a simple passive tower.
Dynamics
91/100
Very high aggregate amplifier power (total ~1500 W listed) and a dedicated woofer amp yield strong macro- and micro-dynamic ability and headroom. Single 8" woofer design means slam is powerful but not at the absolute reference multi-woofer level, so dynamics are excellent but not reference-exceptional.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
96/100
Premium materials listed (aluminium, wood, fabric/wool, polymer) and B&O's high-end manufacturing tradition support exceptional fit-and-finish and cabinet engineering. The heavy-duty amplifiers and integrated DSP hardware further indicate a very well-engineered product.
Features Connectivity
95/100
Extensive connectivity: Dual-band Wi‑Fi (2.4/5 GHz, 802.11 a/b/g/n/ac/ax), Bluetooth 5.3, AirPlay, Spotify Connect, Google Cast, TIDAL Connect, Ethernet, USB‑C line-in, Beolink multiroom and Active Room Compensation. Rich feature set and modern codecs plus on-device and app control place this at the top end for connectivity and features.
Value for Money
78/100
At the listed price (~€/$4,650), the A9 targets premium buyers; build, DSP, and features justify a high price but peers in this range can offer more woofer complement or lower-cost alternatives. Without third‑party review praise visible here, value is good for luxury buyers but not an objective bargain.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Recommended Room Size
- 15-100 m² 150-1000 ft²
- Speaker Configuration
- 2 x ¾" tweeter 2 x 3" mid-range 2 x 1 ½" full-range 1 x 8" woofer
- Amplifier
- 2 x 150 W class D for tweeter 2 x 200 W class D for mid-range 2 x 200 W class D for full-range 1 x 400 W class D for woofer Total: 1500 W
- Frequency Range
- 33- 23.000 Hz
- Maximum Sound Pressure Level (SPL) @ 1 m
- 100 dB SPL
- Bass Capability
- 95 dB SPL
- Stereo Pairing
- Pair two Beosound A9 5th Gen to enjoy a stereo listening experience.
- Advanced Sound Features
- Active Room Compensation Thermal Protection Adaptive Bass Linearization
- Customizable Sound EQ
- Presets available and fully customisable through the Bang & Olufsen App
- Designer
- Øivind Alexander Slaatto
- Materials
- Aluminium Fabric / Wool Wood Polymer
- Dimensions (Width x Height x Depth)
- 70.1 W x 90.8 H x 41.5 D cm
- Weight
- 14.7 kg
- Power consumption
- Typical: 23 W Standby: 8 W
- Power Supply
- Power supply built-in Power Cable
- Bluetooth Version
- Bluetooth 5.3
- Bluetooth Codecs
- Android: SBC iOS: SBC, AAC
- Wi-Fi
- Wi-Fi/WLAN 802.11 a/b/g/n/ac (2.4GHz/5Ghz)
- Streaming services
- Apple AirPlay Spotify Connect Google Cast TIDAL Connect B&O Radio Deezer QPlay 2.0
- Beolink Multiroom
- Seamlessly connect multiple Bang & Olufsen speakers to expand your music experience.
- Beolink Surround
- Connect your speakers to a Beosound soundbar or Beovision to enjoy a true surround sound experience. *Beosound Premiere and Beosound/Beovision Theatre only.
- Wireless Connections
- Digital Power Link (up to 24 bit / 48 kHz)
- Physical Connections
- 1 x Ethernet 1 x Line-in via USB-C 1 x Power
- Remote controls
- Bang & Olufsen App Beoremote One BT Beoremote Halo
- On-Device Controls
- Yes
Manufacturer's Description — B&O-Bang & Olufsen
Sound and shape unite in this iconic, customisable speaker. Seven drivers bring the power. A century of craft brings the form.
Explorestereo setups for a richer sound
Just like your favorite furniture, Beosound A9 stands apart in any room. And if you prefer it on the wall, it rises to the occasion. Enjoy beauty from every angle, whether you press play or not.
Sculptural design
Beosound A9's iconic shape is designed to be displayed. From afar, it's a minimalistic masterpiece. Up close, the details shine.
New degrees of detail
Beosound A9 stands strong on real oak legs, and delivers your music through acoustically calibrated covers. Ringed with precision-milled aluminium and backed by high-quality polymers, it forms an endless loop of engineering and art.
Seamlessly transition from its iconic three-legged stance to a wall-mounted masterpiece
"We have removed the complexity. Not the other way around. You could call it form and function unified."
Customisable design
The shape is timeless, but the shade is yours to choose. A9 is a customisable centrepiece that adapts to your taste and space. Want a striking colour? You're covered. Different legs? Swap them out. Personalise your speaker to chime with any room, and sing in any home.
Behind Beosound A9's effortless exterior lies an intricate world of power. Seven custom-built drivers deliver exceptional detail. Clear vocals, crisp instrumentation, deep bass – and enough volume to fill any room. It's as rich as it is rounded.
Active room compensation
A9 works out where it is in the room to give you perfect playback, every time. Ensuring bass, mids and highs are never too overpowering or weak. Wherever you place it, it gives a standout performance. No muddiness. No fuzziness. Just pure, clean sound. As the artist intended.
Room-filling sound
When A9 plays, the whole room takes notice. Boasting volume that rivals much bigger speaker setups, it's perfect for large spaces and get-togethers. Want a more immersive experience? Seamlessly connect A9 with other speakers to let the music flow through your home. Learn more about our connected speakers
Sound mode? Set.
Time to entertain? Dial up the bass. A moment to relax? Level things out, like when it's time for your favourite podcast. The B&O app gives you customisable sound, right in the palm of your hand.
Speakers, simply connected
Our sound systems seamlessly connect every corner of your home, so you can enjoy immersive and personalised music and film moments.
More than a century of magical moments
It all starts with Peter Bang and Svend Olufsen. They met in 1925, just after graduating. Little did they know, they’d go on to create iconic sound and vision products that would change the face of the next century.
Explore the defining moments that shaped our heritage.
Included in the box
Beosound A9 5th Gen.
Front cover
3 x wooden legs
Mains cable, 2 m
Quick start guide
USB-C to AUX Adapter
Recommended Room Size
15-100 m² 150-1000 ft²
Speaker Configuration
2 x ¾" tweeter 2 x 3" mid-range 2 x 1 ½" full-range 1 x 8" woofer
Amplifier
2 x 150 W class D for tweeter 2 x 200 W class D for mid-range 2 x 200 W class D for full-range 1 x 400 W class D for woofer
Total: 1500 W
Frequency Range
33- 23.000 Hz
Maximum Sound Pressure Level (SPL) @ 1 m
100 dB SPL
Bass Capability
95 dB SPL
Stereo Pairing
Pair two Beosound A9 5th Gen to enjoy a stereo listening experience.
Advanced Sound Features
Active Room Compensation Thermal Protection Adaptive Bass Linearization
Customizable Sound EQ
Presets available and fully customisable through the Bang & Olufsen App
Designer
Øivind Alexander Slaatto
Materials
Aluminium Fabric / Wool Wood Polymer
Dimensions (Width x Height x Depth)
70.1 W x 90.8 H x 41.5 D cm
Weight
14.7 kg
Power consumption
Typical: 23 W Standby: 8 W
Power Supply
Power supply built-in Power Cable
Bluetooth Version
Bluetooth 5.3
Bluetooth Codecs
Android: SBC iOS: SBC, AAC
Wi-Fi
Wi-Fi/WLAN 802.11 a/b/g/n/ac (2.4GHz/5Ghz)
Streaming services
Apple AirPlay Spotify Connect Google Cast TIDAL Connect B&O Radio Deezer QPlay 2.0
Beolink Multiroom
Seamlessly connect multiple Bang & Olufsen speakers to expand your music experience.
Beolink Surround
Connect your speakers to a Beosound soundbar or Beovision to enjoy a true surround sound experience. *Beosound Premiere and Beosound/Beovision Theatre only.
Wireless Connections
Digital Power Link (up to 24 bit / 48 kHz)
Physical Connections
1 x Ethernet 1 x Line-in via USB-C 1 x Power
Remote controls
Bang & Olufsen App Beoremote One BT Beoremote Halo
On-Device Controls
Yes
Join the House of Bang & Olufsen
Be the first to enjoy new and limited products, exclusive events, special offers and much more.
Verified Dealers
Online Dealers
All Dealers
Zoom out the map to see more dealers
Authorized dealers for B&O-Bang & Olufsen Beosound A9
- Acoustic Sound Design — online and in-store — Las Vegas, Nevada, United States (website)
- Alex Audio Video — in-store — Sofia, Sofia City Province, Bulgaria (website)
- Alpha Stereo — in-store — Plattsburgh, New York, United States (website)
- American Sound — in-store — Richmond Hill, Ontario, Canada (website)
- Audio Breakthroughs — in-store — Manhasset, New York, United States (website)
- Audio Renaissance — United States (website)
- Audio Sanctuary — in-store — London, England, United Kingdom (website)
- Audio Systems — in-store — Austin, Texas, United States (website)
- Audio Video Invasion Inc — in-store — Plainview, New York, United States (website)
- Audiocompagniet — online and in-store — Odense C, Denmark (website)
and 45 more verified dealers