Yamaha SoundBar SR-B40A

B40A – Soundbar with Dolby Atmos®. External subwoofer.

  • Dolby Atmos® which further enhances Yamaha’s immersive sound field creation
  • Tone control, adjust sounds to your own taste
  • HDMI eARC, Bluetooth®, and optical connection
  • Clear Voice for enhanced dialogue quality
  • Bass Extension for enjoying greater bass response
  • Wireless sub-woofer to enjoy room filling bass for a heart-gripping realism
  • Remote controller and Sound Bar Remote app, for easier and further access to your soundbar
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From intense action scenes to absorbing dramas, enjoy and bask in the latest cinematic experience that fills every corner of your room with expressive sound. With its precision-crafted speakers and advanced high-quality audio reproduction technology, the sound field created by the SR-B40A envelops you and transports you deeper into the story as it unfolds on screen.



Newly designed tone controls (via our dedicated app) allow you to tweak the sound to your own taste while staying true to the content. What you get is an expansive sound field with ideal tonal balance in which every element of the sound shines with stunning clarity, enhancing the unique qualities of all your entertainment.



For an overwhelming sense of floor-trembling realism right in your own living room, the wireless subwoofer expertly creates the low-end punch and texture you need, to put you right in the heart of the action.


Clear Voice

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Our Clear Voice technology has been improved to make human voices even more audible. Use the Clear Voice feature to hear every word – from YouTube videos to movies and shows, especially when background music and sound effects try to take center stage.


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With four different sound modes, you can match the sound to your content and mood. Stereo mode works great for music and podcasts. Standard mode is ideal for TV programs. Try Game mode to immerse yourself in your latest battle, and use Movie mode to create an expansive theater experience.

Bass Extension

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Whenever you want more bass, use the Bass Extension feature, for a broader and more muscular presentation. Enjoy content with more power and presence.


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Simply connect this Sound Bar to your TV, with just a single optical or HDMI cable. Featuring HDMI-CEC and eARC compatibility, it lets you operate basic functions directly from your TV remote control. And for even more detailed control, you can conveniently adjust the volume and change sound modes with the included remote or Yamaha’s dedicated Sound Bar Remote app.

GeneralDriversCenter unit: Front L/R: 4.6 cm (1.8“) cone × 4, Tweeter: 2.5 cm (1″) dome × 2, Subwoofer: 16 cm (6-1/4″) cone ×1
Output Power200 W (Front L/R: 50 W × 2-ch, Subwoofer: 100 W)
Power ConsumptionCenter unit: 25 W, Subwoofer: 20 W
Standby Power ConsumptionCenter unit: 0.3 W (HDMI control off, Bluetooth standby off), 0.6 W (HDMI control on, Bluetooth standby on) Subwoofer: 0.8 W
Dimensions (W x H x D)Center unit: 910 × 68 × 133 mm (35-7/8” × 2-5/8” × 5-1/4”), Subwoofer: 194 × 419 × 407 mm (7-5/8” × 16-1/2” × 16”)
WeightCenter unit: 2.9 kg (6.4lbs), Subwoofer: 8.1 kg (17.9lbs)
Input / OutputHDMI1 out (eARC)
Digital OpticalYes
Subwoofer outputNo
Analog AudioNo
HDMI4K Pass-throughNo
Auto Lip-SyncNo
Sound TechnologySurround TechnologyDolby Atmos
Surround ModeStereo, Standard, Movie, Game
Compressed Music EnhancerNo
Bass ExtensionYes
Audio FormatsDolby DigitalYes
Dolby Pro Logic IINo
DTS Digital SurroundNo
File Format
ConnectivityWireless Music StreamingNo
MusicCast SurroundNo
Bluetooth Version/ProfileVersion: Ver 5.1 / Profiles: A2DP / Codecs: SBC, AAC
Bluetooth Maximum Communication RangeApprox. 10 m ; 33ft (without obstructions)
Wireless SubwooferYes
Other FeaturesApp ControlYes (Sound Bar Remote)
Learning FunctionNo