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MarshallNewBluetooth speaker
Marshall Stockwell III
Marshall Stockwell III is a Bluetooth speaker released in June 2026. Key specs: battery life 40 h, output power 127 W, Bluetooth version 5.3, water resistance (IPx) IPx5.
7.5Score
Sound7.5
Battery8.8
Connectivity6.0
Build & features4.0
price range$205–255Reference price converted from JPY
- Released
- June 2026
- Brand
Marshall- Popularity
- #521 of 2,581
40 hBattery life
127 WOutput power
5.3Bluetooth version
IPx5Water resistance (IPx)
1,300 gWeight
YesMultipoint (two devices)
Spec guide
How it ranks among Bluetooth speakers of 2026
Battery life · 40 hTop 23%Output power · 127 WTop 39%Bluetooth version · 5.3Bottom 24%Water resistance (IPx) · IPx5Top 44%Weight · 1,300 gBottom 31%
Compared with Bluetooth speakers released in 2026. Bars show the share of models it beats.
compared with other Bluetooth speakers
Why is Stockwell III a good choice?
Battery life: 40 hbetter than 95% of Bluetooth speakers
Output power: 127 Wbetter than 87% of Bluetooth speakers
Weak points
Water resistance (IPx): IPx5worse than 76% of Bluetooth speakers
Specifications
Full specifications
Sound
- Driver size
- 76.2 mm
- Output power
- 127 W
- Speaker channels
- Stereo
- Lowest frequency
- 54 Hz
- Highest frequency
- 20,000 Hz
- Adjustable equaliser
- Yes
- Stereo
- Yes
Battery & charging
- Battery life
- 40 h
- Charging time
- 3 h
- Quick charge (claimed)
- 20 min → 7 h
- Fast charging support
- Yes
- Power bank function
- Yes
- Battery powered (portable)
- Yes
Connectivity
- Wireless
- Yes
- Hi-res codec (LDAC / aptX HD / LHDC)
- No
- aptX
- No
- LDAC
- No
- Multipoint (two devices)
- Yes
- LE Audio
- Yes
- Auracast
- Yes
- USB-C
- Yes
- 3.5 mm jack / AUX
- Yes
Design & build
- Weight
- 1,300 g
- Width
- 150 mm
- Height
- 181 mm
- Depth
- 72 mm
- Protection rating
- IP55
- Water resistance (IPx)
- IPx5
- Dust protection (IP)
- 5
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Headphones & speakers: Battery life from 30 h + output power from 20 w12Headphones & speakers: Multipoint (two devices) + output power from 50 w19Headphones & speakers: Multipoint (two devices) + output power from 20 w26Bluetooth speakers: Battery life from 30 h28Bluetooth speakers: Multipoint (two devices)34Headphones & speakers: Multipoint (two devices) + battery powered (portable)38Headphones & speakers: Output power from 50 W + battery powered (portable)68Bluetooth speakers: Output power from 50 W107
