Polk Audio MagniFi Mini AX vs Sennheiser AMBEO Soundbar Max

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MagniFi Mini AX compared with AMBEO Soundbar Max

	Polk AudioMagniFi Mini AX	SennheiserAMBEO Soundbar Max
Overview
Released
Released	March 2022	2019
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	–	5.1.4 virtual
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	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	Thirteen drivers; six 100 mm cellulose-sandwich low/mid drivers, five 25 mm aluminium tweeters and two 90 mm upward-firing cellulose full-range drivers. The 5.1.4 presentation is virtual surround from the bar, without rear satellites. Originally sold as AMBEO Soundbar; renamed Max in 2022 when Plus was introduced, rather than a new hardware generation
Amplifiers
Amplifiers	–	Thirteen class-D amplifiers; 250 W RMS and 500 W peak total audio power according to the manufacturer manual
Frequency response
Frequency response	–	30 Hz–20 kHz (-3 dB, manufacturer)
Audio formats
Audio formats	PCM; Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos; DTS, DTS-HD Master Audio, DTS:X and DTS Virtual:X	Dolby Atmos, Dolby TrueHD, Dolby Digital Plus, Dolby Digital, DTS:X, DTS-HD and MPEG-H; multichannel LPCM. Current UK product page also lists Sony 360 Reality Audio; available formats depend on input and software
Room tuning
Room tuning	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.	Included external calibration microphone measures the room and listening position; AMBEO processing uses room reflections for virtual height and surround. Light, Standard and Boost processing levels; performance depends on placement and room surfaces
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	None	None
Wi-Fi
Wi-Fi	802.11a/n/ac	IEEE 802.11a/b/g/n/ac; 2.4 and 5 GHz, 2×2 MIMO; wired Ethernet available
Bluetooth
Bluetooth	Bluetooth 5.0	Bluetooth 4.2, class 1, with SBC and AAC; NFC pairing
Ports
Ports	One HDMI eARC/ARC input; digital optical; 3.5 mm analogue input; USB-A for firmware updates only; no HDMI video passthrough	Three HDMI 2.0a inputs and one HDMI TV eARC/ARC output; up to 4K at 60 Hz with Dolby Vision passthrough. Optical S/PDIF, stereo RCA input, mono RCA subwoofer pre-out, Ethernet, USB-A accessory power/service updates and 2.5 mm calibration-microphone input; USB does not provide music-file playback
Streaming
Streaming	Apple AirPlay 2; Chromecast Audio; Spotify Connect; Bluetooth	AirPlay 2, Chromecast built-in, Spotify Connect, Tidal Connect and UPnP network streaming on current software; service availability varies by region
Multi-room
Multi-room	Optional SR2 wireless surround speakers; supplied subwoofer pairs automatically, with a stated maximum wireless separation of 9 m	Network music streaming; an external subwoofer connects through the wired RCA pre-out. No wireless rear-speaker expansion is specified for Max
App
App	–	Sennheiser Smart Control for setup, calibration, equaliser, sound profiles and updates; current AMBEO OS2 adds adjustable voice enhancement
Design
Weight
Weight	–	18.5 kg
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.	On-bar buttons, infrared remote, OLED status display and AMBEO indicator; Movie, Music, News, Sports and Neutral profiles, plus night mode
Microphones
Microphones	–	Included external omnidirectional room-calibration microphone; no integrated voice assistant is specified for Max
Mounting
Mounting	–	Tabletop placement or optional SB01-WM wall bracket; room-calibration instructions require space around the bar and an unobstructed upward sound path
Size
Size	Soundbar 366 × 104 × 79 mm; subwoofer 182 × 396 × 371 mm, W × D × H. Weight is not published in the maker’s specification table.	Approximately 1265 × 135 × 171 mm (W × H × D, including feet), or 1265 × 125 × 171 mm without feet, from the model SB01 manual; the UK product table rounds width to 126 cm and repeats the same height for both entries
Colours
Colours	Black	Black fabric grille with brushed aluminium housing
In the box
In the box	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.	Soundbar, country-specific power cable, approximately 1 m HDMI cable, remote with CR2032 battery, calibration microphone with holder and approximately 5 m cable, quick guide and safety guide