Bose Lifestyle Ultra Speaker vs Marshall Stanmore IV

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Lifestyle Ultra Speaker compared with Stanmore IV

	BoseLifestyle Ultra Speaker	MarshallStanmore IV
Overview
Released
Released	May 2026	July 2026
Sound
Type
Type	Speaker	Speaker
Channels
Channels	–	Stereo
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Three drivers (two front-facing, one up-firing) in a Direct/Reflecting design; CleanBass with a QuietPort opening	One 5-inch woofer and two 0.75-inch tweeters with waveguides; bass-reflex cabinet with a redesigned port
Amplifiers
Amplifiers	–	One 60 W class D for the woofer, two 25 W class D for the tweeters
Frequency response
Frequency response	–	36 Hz – 38 kHz; up to 97 dB SPL at 1 m
Room tuning
Room tuning	TrueSpatial processing; EQ in the Bose app	Placement compensation and EQ presets in the Marshall app; Dynamic Loudness; bass and treble knobs
Connections
Wi-Fi
Wi-Fi	Yes	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	Yes	No
HDMI eARC
HDMI eARC	–	No
Voice assistants
Voice assistants	Alexa	None
Bluetooth
Bluetooth	Bluetooth 5.3 and Bluetooth Low Energy	Bluetooth 5.3 with Auracast; SBC, AAC, LDAC and LC3; multipoint; 10 m range
Ports
Ports	3.5 mm aux input	RCA in, 3.5 mm aux in, mains power
Streaming
Streaming	Apple AirPlay 2; Google Cast; Spotify Connect; Bluetooth	–
Multi-room
Multi-room	Groups through AirPlay or the Google Home app, including with other makers' speakers; two make a stereo pair; two can be surrounds for the Lifestyle Ultra Soundbar (7.1.4 with the Lifestyle Ultra Subwoofer)	Auracast with other Acton IV and Stanmore IV speakers; Acton III and Stanmore III through the Heddon hub
App
App	Bose app	Marshall app
Design
Weight
Weight	1.66 kg (better)	3.99 kg
Controls
Controls	Touch buttons on top	Bass, treble and volume knobs, media jog, M-button, source button, power switch
Microphones
Microphones	–	None
Mounting
Mounting	Lifestyle Speaker Wall Bracket and Floor Stand sold separately	–
Size
Size	7.270 × 4.767 × 6.594 in (H × W × D); 3.660 lb	350 × 203 × 185 mm (W × H × D)
Colours
Colours	Black, White Smoke; limited-edition Driftwood Sand	Black, Cream
In the box
In the box	Lifestyle Ultra Speaker, power cable, quick start guide	Stanmore IV, mains lead, quick start guide, legal and safety information