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Marshall Stanmore III vs Sonos Beam Gen 2

Detailed comparison of Marshall Stanmore III and Sonos Beam Gen 2. Compare specs, price, pros & cons to find which is best for you.

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Quick Verdict

The Marshall Stanmore III is our top pick with a 4.5★ rating (5,670 reviews). Standout strength: iconic design. The Sonos Beam Gen 2 counters with dolby atmos in compact size. Price difference: £120.

Full Spec Comparison

Rating

★★★★4.5

Reviews

5,670

8,760

Brand

Marshall

Sonos

type

Home Bluetooth speaker

Soundbar

drivers

1 tweeter + 2 woofers

5 (4 tweeters + 1 woofer)

connectivity

Bluetooth 5.2, Wi-Fi, AirPlay 2, Spotify Connect

HDMI eARC, Wi-Fi, AirPlay 2

power

80W

—

size

350 x 195 x 188mm

651 x 69 x 100mm

weight

4.65kg

—

audio

—

Dolby Atmos, Dolby Digital 5.1

assistant

—

Alexa, Sonos Voice

Pros

Iconic designRich warm soundPhysical control knobsMulti-source connectivity

Dolby Atmos in compact sizeGreat for small roomsSonos multi-roomClean design

Cons

ExpensiveHeavy — not portableNo batteryBass can overwhelm in small rooms

No HDMI passthroughBass lacks without subExpensive for sizeNeeds sub for movies

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Top Rated

typeHome Bluetooth speaker

drivers1 tweeter + 2 woofers

connectivityBluetooth 5.2, Wi-Fi, AirPlay 2, Spotify Connect

Iconic designRich warm sound

Expensive

Top Rated

typeSoundbar

drivers5 (4 tweeters + 1 woofer)

audioDolby Atmos, Dolby Digital 5.1

Dolby Atmos in compact sizeGreat for small rooms

No HDMI passthrough

Frequently Asked Questions

Which is better: Marshall Stanmore III or Sonos Beam Gen 2?

The Marshall Stanmore III edges ahead with a 4.5★ rating vs 4.5★.Iconic design. However, the Sonos Beam Gen 2 wins on dolby atmos in compact size. Your best choice depends on whether you prioritise music or home-cinema.

Is the Marshall Stanmore III worth it over the Sonos Beam Gen 2?

The Marshall Stanmore III costs £329 while the Sonos Beam Gen 2 is £449. The Marshall Stanmore III is the better value option. Both are excellent for music and home-audio.

Marshall Stanmore III vs Sonos Beam Gen 2 — which should I buy in 2026?

Choose the Marshall Stanmore III if you prioritise iconic design. Choose the Sonos Beam Gen 2 if you prioritise dolby atmos in compact size. Both are top-rated in the speakers category.

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