
Yamaha SR-B30A Black
Score: 74/100
LG S20A
Score: 69/100Rankings

The Yamaha SR-B30A is a compact 2.1 soundbar that integrates dual built-in subwoofers and virtual Dolby Atmos for immersive audio in small spaces. Its trade-off is limited power and the absence of Wi-Fi or voice-assistant features. Best suited for small living rooms or bedrooms where a single-unit solution with built-in bass is desired.

The LG S20A is a compact 2.0-channel soundbar that delivers strong bass and integrates seamlessly with LG TVs via the WOW Interface. Its main drawbacks are the absence of a wireless subwoofer and the lack of HDMI connectivity out of the box. Best suited for LG TV owners who need a slim, easy-setup audio upgrade for small rooms.
| Attribute | ![]() | ![]() |
|---|---|---|
2.1best | 2 | |
120 Wbest | — | |
7.62 cmbest | 5.3 cm | |
| ↓ lower better | 3.9 kg | 2.223 kgbest |
2 yearsbest | 1 years | |
4best | — | |
91.2 cmbest | 65 cm | |
6.68 cmbest | 6.35 cm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(3) | ||
Audio Channels | 2.1 | 2 |
Supported Audio Formats | PCM (2ch-7.1 up to 24-bit/96kHz), Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos | AAC/AAC+, Dolby Digital, DTS Digital Surround, FLAC (up to 192kHz), LPCM, MP3, WAV |
Subwoofer Driver Size (cm) | 7.62 cm | 5.3 cm |
General(1) | ||
Warranty Period (years) | 2 years | 1 years |
Design(4) | ||
Soundbar Weight (kg) | 3.90 kg | 2.223 kg |
Soundbar Width (cm) | 91.2 cm | 65.0 cm |
Soundbar Height (cm) | 6.68 cm | 6.35 cm |
Soundbar Depth (cm) | 13.34 cm | 9.91 cm |


Products in the top-left offer the best value (high score, low price).

No full professional reviews were found in the sources; manufacturer and retailer descriptions highlight surprisingly spacious and clear sound, rich bass for small rooms, and convenient all‑in‑one design, but lack independent editorial evaluation.
Everyday users appear to appreciate the ease of setup, compact bass performance, and dialogue clarity, while recurring concerns revolve around limited power for larger spaces and the absence of Wi-Fi or voice-assistant features.

Professional reviewers from Best Buy, B&H and editorial sites commend the S20A for delivering room-filling audio with four speakers, seamless LG TV integration via the WOW Interface, and impressive built-in bass for its size. They also appreciate the quick single-cable setup and support for Dolby Digital and DTS. However, they point out the lack of a wireless subwoofer and the 2.0-channel limitation as drawbacks compared to higher-end soundbars.
Everyday users consistently praise the S20A's strong bass, clear sound quality, compact footprint and the ease of pairing via Bluetooth or the included optical cable. The simple one-cable install and the ability to control the bar with the TV remote are also highlighted. Minor complaints focus on the missing HDMI cable and the absence of a separate subwoofer for deeper bass.
