If you are shopping around for a soundbar that can deliver cinematic immersion at under $250, Yamaha’s SR-B40A Dolby Atmos soundbar with external subwoofer definitely deserves your attention (purchase link under the specs table down below).

This model is built around Yamaha’s “True Sound” philosophy that essentially combines Dolby Atmos spatial audio with the company’s acoustic expertise to create a room-filling experience that feels more dimensional than a basic stereo bar. Alongwith the main soundbar unit, the wireless external subwoofer is there too, to add the kind of low-end presence that is important in movies as well as in music and games.
The soundbar comes with Yamaha Clear Voice technology which, as the name suggests, enhances human voice and dialogue output. You also have a tone control to fine-tune the bass-treble and an additional Bass Extension feature which promises to deliver a "broader and more muscular" low frequency output. Unfortunately, Yamaha does not mention any specifics related to frequency response.
There are four sound modes too: Stereo, Standard, Game, and Movie, to let you tailor playback to your content. The technical specifications of the Yamaha SR-B40A are given in the table below:
| Specification | Value |
|---|---|
| Drivers (Center Unit) | Front L/R: 4.6 cm (1.8") cone × 4, Tweeter: 2.5 cm (1") dome × 2, Built-in subwoofer: 7.5 cm (3") cone × 2 |
| Drivers (Subwoofer) | 16 cm (6-1/4") cone × 2 |
| Output Power | 200 W (Front L/R: 50 W × 2-ch, Subwoofer: 100 W) |
| Inputs/Outputs | HDMI 1 out (eARC), Digital Optical input |
| HDMI Features | eARC/ARC, CEC supported |
| Sound Technology | Dolby Atmos, Surround Modes: Stereo, Standard, Movie, Game |
| Bass Extension | Yes |
| Audio Formats | Dolby Digital supported |
| Bluetooth | Version 5.1, Profiles: A2DP, Codecs: SBC, AAC; Range approx. 10 m (33 ft) |
| App Control | Yes (Sound Bar Remote) |
Get it at the link below:
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Yamaha SR-B40A Dolby Atmos Sound bar with External Subwoofer: $229.95 (Sold and Shipped by Amazon US) (MSRP: $399.95) (43% off)
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