Bose SoundLink Max Portable Speaker vs Marshall Acton IV

What SoundLink Max Portable Speaker does better (1) and where Acton IV wins (0) — every spec side by side.

7.6Score

1 advantage≈ $300

Marshall · 2026Acton IV

8.7Score

0 advantages≈ $300

Higher score

Dimensions

Size comparison

SoundLink Max Portable SpeakerActon IV

	SoundLink Max Portable Speaker	Acton IV	Difference
Height	120 mm	171 mm	−51 mm
Width	265 mm	260 mm	+5 mm
Depth	105 mm	150 mm	−45 mm
Weight	2,223 g	2,650 g	−427 g

Drawn to the same scale from the official dimensions (front and side).

Acton IV has no measurable advantages in this pair.

Specifications

Only differences	Bose SoundLink Max Portable Speaker≈ $3007.6	Marshall Acton IV≈ $3008.7
Sound
Driver type	—	Dynamic
Driver size	—	101.6 mm
Output power	—	110 W
Speaker channels	Stereo	Stereo
Channel count	—	2
Lowest frequency	—	37 Hz
Highest frequency	—	38,000 Hz
Hi-Res Audio	—	Yes
Adjustable equaliser	—	Yes
Stereo	Yes	Yes
Battery & charging
Battery life	20 h	—
Charging time	5 h	—
Power bank function	Yes	—
Mains powered	—	Yes
Battery powered (portable)	Yes	No
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.3	5.3
Bluetooth codecs	—	LDAC, LC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	—	Yes
aptX	—	No
LDAC	—	Yes
Multipoint (two devices)	—	Yes
LE Audio	—	Yes
Auracast	—	Yes
USB-C	Yes	—
3.5 mm jack / AUX	Yes	Yes
Smart & streaming
Spotify Connect	Yes	Yes
Companion app	Yes	Yes
Design & build
Weight	2,223 g	2,650 g
Width	265 mm	260 mm
Height	120 mm	171 mm
Depth	105 mm	150 mm
Protection rating	IP67	—
Water resistance (IPx)	IPx7	—
Dust protection (IP)	6	—
Features
Party / stereo pairing	—	Yes