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Bang & Olufsen Beosound A9 Powerful Multi-Room WiFi and Bluetooth Home Speaker

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Timonium - 410.308.1650
Columbia - 410.381.2100
Gaithersburg - 301.296.6202

Sound and shape unite in this iconic, customisable speaker. Seven drivers bring the power. A century of craft brings the form.

Sculptural design

Beosound A9's iconic shape is designed to be displayed. From afar, it's a minimal masterpiece. Up close, the details shine. Just like your favorite furniture, it 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.

New degrees of detail

A9 stands strong on real oak legs and delivers your music through acoustically calibrated covers. Ringed with precision-milled aluminum and backed by high-quality polymers, it forms an endless loop of engineering and art.

Customizable design

The shape is timeless, but the shade is yours to choose. A9 is a customizable centerpiece that adapts to your taste and space. Want a striking color? You're covered. Different legs? Swap them out. Personalise your speaker to chime with any room, and sing in any home.

Stunning sound. All round.

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.

Sound mode? Set.

Time to entertain? Dial up the bass. A moment to relax? Level things out, like when it's time for your favorite podcast. The B&O app gives you customizable sound, right in the palm of your hand.

In The Box:

  • Beosound A9 5th Gen.

  • Front cover

  • 3 x wooden legs

  • Mains cable

  • Quick start guide


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


2 x 150 watt class D for treble 2 x 200 watt class D for midrange 2 x 200 watt class D for fullrange 1 x 400 watt class D for bass

Frequency Range

33- 23.000 Hz

Maximum Sound Pressure Level @1m

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


Aluminium Fabric / Wool Wood Polymer

Dimensions (Width x Height x Depth)

70.1 W x 90.8 H x 41.5 D cm


14.7 kg

Power consumption

Typical: 23 W Standby: 3.3 W

Power Supply

Power supply built-in Power Cable

Bluetooth Version

Bluetooth 5.3

Bluetooth Codecs



Dual-Band Wi-Fi (2.4 & 5 GHz) IEEE 802.11 b/g/a/n/ac/ax

Streaming services

Apple AirPlay Spotify Connect Chromecast built-in TIDAL Connect B&O Radio Deezer QPlay 2.0

Beolink Multiroom


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




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