If you want the best soundbars under $400, these five picks prove you don’t need to spend big for real Atmos and bass.
They run from the simple Sony Bar 5 to the Yamaha True X Bar 40A, so you can match the right bar to your room.
| Feature | Sony Theater Bar 5 | Samsung HW-B750F | Samsung S60D | LG S70TY | Yamaha True X Bar 40A |
|---|---|---|---|---|---|
| Image |  |
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| Channels | 3.1 | 5.1 | 5.0 | 3.1.1 | 2.1.2 |
| Dolby Atmos | Yes (DTS:X) | No (DTS Virtual:X) | Yes (wireless) | Yes (DTS:X) | Yes (up-firing drivers) |
| Subwoofer | Wireless, included | Wireless, included | Built-in woofers | Wireless, included | Built-in (optional Sub 100A) |
| Key Feature | Vertical Surround Engine | Side-firing speakers | Wireless Atmos over Wi-Fi | Up-firing center channel | Wi-Fi, AirPlay 2, Alexa |
| Best For | Small and mid-size TVs | Real surround on a budget | Samsung TV owners | LG TV owners | Streaming fans |
| Popularity | Popular value pick | Top-selling B-Series bar | Top-selling all-in-one | Strong monthly sales | Steady seller |
| Soundbar Width | 35.5 in | 40.6 in | 26.3 in | 37.4 in | 40 in |
| Buy Now |  |
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| Product | Image | Feature 1 | Feature 2 | Feature 3 | Feature 4 | Feature 5 | Feature 6 | Buy Now |
|---|---|---|---|---|---|---|---|---|
| Sony Theater Bar 5 | |
3.1 | Yes (DTS:X) | Wireless, included | Vertical Surround Engine | Small and mid-size TVs | Popular value pick | |
| Samsung HW-B750F | |
5.1 | No (DTS Virtual:X) | Wireless, included | Side-firing speakers | Real surround on a budget | Top-selling B-Series bar | |
| Samsung S60D | |
5.0 | Yes (wireless) | Built-in woofers | Wireless Atmos over Wi-Fi | Samsung TV owners | Top-selling all-in-one | |
| LG S70TY | |
3.1.1 | Yes (DTS:X) | Wireless, included | Up-firing center channel | LG TV owners | Strong monthly sales | |
| Yamaha True X Bar 40A | |
2.1.2 | Yes (up-firing drivers) | Built-in (optional Sub 100A) | Wi-Fi, AirPlay 2, Alexa | Streaming fans | Steady seller | |
1. Sony BRAVIA Theater Bar 5 3.1ch Home Theater Soundbar with Wireless Subwoofer
The Theater Bar 5 is an easy way to get Sony Atmos and a real subwoofer for less.
It adds a center channel and Vertical Surround Engine to a compact bar.
It regularly shows up as a top deal among shoppers.
At 35.5 inches wide, it suits mid-size TVs.
Features
- 3.1 channels with 250W of power
- Dolby Atmos and DTS:X support
- Wireless subwoofer with a 160mm driver
- Center channel and Vertical Surround Engine
- Bluetooth streaming in a 35.5-inch bar
Pros
- Atmos processing with a real sub at a low price
- A compact bar that fits smaller TVs
- A center channel for clear dialogue
Cons
- Height effects are virtual
- Bluetooth only, with no Wi-Fi
- A newer model with fewer reviews
If you want Sony Atmos and a real sub on a tight budget, the Bar 5 is a smart start.
Check its current price on Amazon
2. Samsung B-Series Soundbar HW-B750F 5.1 ch with Wireless Subwoofer
The B750F is a top-selling Samsung system for surround on a budget.
It has a 5.1 layout with side-firing speakers and a wireless subwoofer.
Buyers rate it highly, and it’s easy to set up.
At 40.6 inches wide, it suits TVs of about 55 inches and up.
Features
- 5.1 channels with 400W of power
- Wireless subwoofer included
- Side-firing speakers and a center channel
- DTS Virtual:X, Q-Symphony, and Adaptive Sound
- HDMI ARC and Bluetooth
Pros
- A full-sounding system at a low price
- Q-Symphony works with compatible Samsung TVs
- Optional rear speakers for later
Cons
- No Dolby Atmos
- No eARC or Wi-Fi
- The bar is 40.6 inches wide
If you want big, full sound without paying for Atmos, the B750F is a strong value.
Check its current price on Amazon
3. Samsung S60D 5.0ch Soundbar with Wireless Dolby Atmos, All-in-One Design, Q-Symphony
The S60D is the all-in-one that makes wireless Atmos affordable.
It connects to a compatible Samsung TV over Wi-Fi, so no HDMI cable is required.
It’s a long-running top seller, and buyers rate it highly.
At 26.3 inches wide, it suits smaller TVs and bedrooms.
Features
- 5.0 channels in a 26.3-inch all-in-one bar
- Wireless Dolby Atmos over Wi-Fi with compatible Samsung TVs
- Built-in woofers for bass without a separate sub
- Q-Symphony, SpaceFit Sound Pro, and Adaptive Sound
- Alexa built in, plus Chromecast and AirPlay 2
Pros
- No cables needed with a compatible Samsung TV
- Compact and easy to place
- A strong seller with great buyer ratings
Cons
- Built-in woofers can’t match a dedicated sub
- Wireless Atmos needs a compatible Samsung TV
- Only 5.0 channels
If you own a Samsung TV and want simple, cable-free Atmos, the S60D is hard to beat.
Check its current price on Amazon
4. LG S70TY 3.1.1 ch QNED TV Matching Soundbar with Wireless Subwoofer
The S70TY brings Dolby Atmos to a compact LG system with a wireless sub.
An up-firing center channel adds height and clearer dialogue.
It’s a strong seller, with hundreds of units bought each month.
At 37.4 inches wide, it suits mid-size TVs.
Features
- 3.1.1 channels with 400W of power
- Dolby Atmos and DTS:X support
- Up-firing center channel
- Wireless subwoofer included
- 4K, Dolby Vision, and HDR10 passthrough
Pros
- Atmos at a low price
- Rear speaker ready for later
- A good fit for gaming and movies
Cons
- Rear speakers are sold separately
- Height effects are modest
- No Wi-Fi streaming
If you want Atmos and a sub in a compact bar, the S70TY is a smart pick.
Check its current price on Amazon
5. Yamaha True X Bar 40A Dolby Atmos Sound Bar with Built-in Subwoofers
The True X Bar 40A is an affordable way to get real up-firing height from Yamaha.
It adds Wi-Fi, AirPlay 2, and Alexa to a 2.1.2-channel design.
It’s also ready for Yamaha’s wireless True X surround speakers.
At 40 inches wide, it suits TVs of about 55 inches and up.
Features
- 2.1.2 channels with 180W of power
- Two 2-inch up-firing height drivers and dual 3-inch built-in subs
- Wi-Fi, AirPlay 2, Spotify Connect, and TIDAL Connect
- HDMI eARC, an HDMI input, and optical
- Alexa built in and Clear Voice dialogue
Pros
- Real height speakers in a compact bar
- Strong streaming and smart features
- Can add a wireless sub and surround speakers
Cons
- Built-in subs are modest next to a dedicated sub
- The wireless subwoofer is sold separately
- Wider than the SR-B bars at 40 inches
If you want real height effects and streaming in a slim bar, the True X Bar 40A is a great value.
Check its current price on Amazon
Buying Guide
Under $400 you can still get real bass and even Dolby Atmos.
Choose a bar with a wireless subwoofer for deeper sound.
Pick Atmos only if you stream many movies and shows.
Check your TV for HDMI ARC or eARC.
Measure your TV stand against the bar’s width before buying.
Tips For Getting The Most From Your Under $400 Soundbar
Check the price before you buy, since soundbar prices change often.
Choose a wireless subwoofer over built-in bass if you want deeper sound.
Use HDMI ARC or eARC so one remote controls the bar.
Place the subwoofer near the front wall, then adjust until bass sounds even.
Keep the front of the bar clear so the sound can project.
Test with a favorite movie scene after setup and adjust the bass.
Update the bar’s software through its app after setup.
If you’re still comparing brands, our guides to the best Yamaha soundbars, best Bose soundbars, and best Samsung soundbars are a good next step.
To compare other budgets, see our best soundbars under $800 and best soundbars under $700.
FAQ
Can I get Dolby Atmos under $400?
Yes, since several bars here support it.
Most use processed height, but the Yamaha True X Bar 40A has real up-firing speakers.
Is a subwoofer worth it at this price?
Yes, since a real sub adds weight a small bar can’t.
Three of these five include a wireless sub.
Which bar is best for a Samsung TV?
The Samsung S60D and B750F work with Q-Symphony.
The S60D also supports wireless Dolby Atmos.
Do cheap soundbars sound good?
The best ones do, since they beat TV speakers easily.
Look for dialogue clarity and a real sub.
Will these work with any TV?
Most connect through HDMI ARC or eARC.
Samsung and LG bars add extra features with matching TVs.
On a tighter budget? Start with our best Dolby Atmos soundbars under $500 or best Dolby Atmos soundbars under $1000 list.
Conclusion
Any of these five soundbars will beat your TV speakers for under $400.
If you want Atmos and a sub, the Sony Bar 5 or LG S70TY fit.
If you want big surround sound, the Samsung B750F is the pick.
And if you want streaming and height speakers, the Yamaha True X Bar 40A delivers.
Whichever you choose, you’ll hear the difference right away.
Want to keep exploring? Our best Sony soundbars, best LG soundbars, and best JBL soundbars cover even more options.