Bose Smart Ultra Soundbar vs Polk Audio MagniFi Mini AX

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Smart Ultra Soundbar compared with MagniFi Mini AX

	BoseSmart Ultra Soundbar	Polk AudioMagniFi Mini AX
Overview
Released
Released	October 2023	March 2022
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	5.1.2	–
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	9 total speakers and centre tweeter (as Bose lists it)	Two 19 mm tweeters and three 51 mm midrange drivers for left, centre and right channels; included wireless subwoofer has a down-firing 127 × 178 mm driver
Audio formats
Audio formats	Dolby Atmos, Dolby Digital, Dolby Digital Plus and Dolby TrueHD (TechRadar); Bose TrueSpace upmixes other signals	PCM; Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos; DTS, DTS-HD Master Audio, DTS:X and DTS Virtual:X
Room tuning
Room tuning	ADAPTiQ room calibration; adjustable EQ and bass; AI Dialogue Mode	Fourth-generation Stereo Dimensional Array (SDA) technology and 3D audio mode create virtual width and height; no up-firing height drivers. VoiceAdjust changes dialogue level; night mode limits bass and dynamics.
Connections
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	Yes	Yes
HDMI eARC
HDMI eARC	Yes	Yes
Voice assistants
Voice assistants	Alexa	None
Wi-Fi
Wi-Fi	Wi-Fi, 2.4 GHz and 5 GHz	802.11a/n/ac
Bluetooth
Bluetooth	Bluetooth 5.0, 10 m range	Bluetooth 5.0
Ports
Ports	HDMI eARC/ARC; optical; Ethernet; USB (service only)	One HDMI eARC/ARC input; digital optical; 3.5 mm analogue input; USB-A for firmware updates only; no HDMI video passthrough
Streaming
Streaming	Apple AirPlay 2; Spotify Connect; Chromecast built-in	Apple AirPlay 2; Chromecast Audio; Spotify Connect; Bluetooth
Multi-room
Multi-room	Groups with Bose smart speakers and soundbars in the Bose app; SimpleSync to Bose Bluetooth headphones and speakers; up to two matching Bose Bass Modules; Personal Surround Sound with Bose Ultra Open Earbuds	Optional SR2 wireless surround speakers; supplied subwoofer pairs automatically, with a stated maximum wireless separation of 9 m
App
App	Bose app; Voice4Video TV control with Alexa; works with third-party remotes that have Bose IR codes	–
Design
Controls
Controls	–	Soundbar buttons and supplied remote; OLED display. No built-in voice assistant (Tom’s Guide); compatible external Google Home devices can control Chromecast playback.
Weight
Weight	5.75 kg	–
Microphones
Microphones	Built-in microphone for Alexa	–
Mounting
Mounting	Bose Soundbar Wall Bracket sold separately	–
Size
Size	5.8 × 104.5 × 10.7 cm (H × W × D)	Soundbar 366 × 104 × 79 mm; subwoofer 182 × 396 × 371 mm, W × D × H. Weight is not published in the maker’s specification table.
Colours
Colours	Black	Black
In the box
In the box	Smart Ultra Soundbar, HDMI eARC cable, optical cable, ADAPTiQ headset, power cable, remote control (battery included), quick start guide	Soundbar, wireless subwoofer, remote, two AAA batteries, soundbar power supply and cord, subwoofer power cord, HDMI cable and printed guides. The contemporary maker release, reproduced by AV NIRVANA, states availability beginning 15 March 2022; its same-day report confirms it was available.