Short answer: the Hisense AX3120Q. It ranks #5 of 16 soundbars with a subwoofer by sound quality, rated 3.5/5, at $249.99; the LG S70TY ranks #9, rated 3.4/5, and costs $269.99, which makes this an easy call rather than a real tradeoff.
The case for the Hisense AX3120Q: The AX3120Q brings up-firing Atmos drivers and a center channel, so dialogue stays clear and overhead effects are genuinely audible in films. It keeps a wired aux input, which the LG S70TY lacks. The catch: The wireless subwoofer is the weak link, sounding clumsy and slightly out of step with music.
The case for the LG S70TY: The bar and wireless sub blend smoothly, giving a balanced sound with controlled bass that What Hi-Fi rated four stars. Watch for: A single up-firing driver gives only a hint of height, so the surround effect is limited without LG’s optional rears.
Buy the Hisense AX3120Q. It is rated higher for sound quality than the LG S70TY and costs less, so only choose the other one for a particular feature it does better.
Still deciding? The full TV Soundbars rankings cover every ranked option.
The AX3120Q brings up-firing Atmos drivers and a center channel, so dialogue stays clear and overhead effects are genuinely audible in films.
The bar and wireless sub blend smoothly, giving a balanced sound with controlled bass that What Hi-Fi rated four stars.
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Specifications Side By Side
| Hisense AX3120Q | LG S70TY | |
|---|---|---|
| Price | $249.99 | $269.99 |
| Ranked | #5 of 16 in Soundbars With a Subwoofer | #9 of 16 in Soundbars With a Subwoofer |
| Amplifier Power | 440W total | 400W total |
| App | No | Yes (LG Soundbar) |
| Aux Input | Yes | No |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.1 |
| Channels | 3.1.2 | 3.1.1 |
| DTS:X | Yes | Yes |
| Dimensions | 2.2”H x 40.2”W x 4.3”D (57 x 1020 x 108 mm) | 2.5”H x 37.4”W x 4.5”D (63 x 950 x 115 mm) |
| Dolby Atmos | Yes (up-firing drivers) | Yes (up-firing drivers) |
| Drivers | Bar: 7 drivers (5 front-firing, 2 up-firing); Sub: 6.5” woofer | 7 drivers across bar and sub, including an up-firing center channel |
| HDMI Input | 1 | 1 |
| HDMI eARC | Yes | Yes |
| Included Subwoofer | Wireless, 6.5” driver | Wireless |
| Optical Input | Yes | Yes |
| Rear Speakers | No | Optional (LG SPT8-S) |
| Room Correction | Yes (Room Fitting, AI EQ) | No |
| Subwoofer Dimensions | 335H x 160W x 335D mm | 377H x 200W x 285D mm |
| Subwoofer Weight | 5.5 kg | 5.7 kg |
| Voice Assistants | No | No |
| Weight | 6 lbs (2.7 kg) | 6.6 lbs (3.0 kg) |
| Wi-Fi | No | No |
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