Polk Audio MagniFi Mini AX vs Sennheiser AMBEO Soundbar Mini

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MagniFi Mini AX compared with AMBEO Soundbar Mini

	Polk AudioMagniFi Mini AX	SennheiserAMBEO Soundbar Mini
Overview
Released
Released	March 2022	September 2023
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	–	7.1.4 (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	Six drivers, with two 100 mm cellulose woofers and four 40 mm cellulose full-range drivers; front and side placement in the maker manual, without dedicated upward-firing drivers. The 7.1.4 presentation is virtualised
Amplifiers
Amplifiers	–	Six Class D amplifiers, total 250 W RMS
Frequency response
Frequency response	–	43 Hz–20 kHz (-3 dB)
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 Digital Plus, Dolby TrueHD, DTS:X, multichannel LPCM, MPEG-H and Sony 360 Reality Audio
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.	Automatic AMBEO calibration using four microphones, adaptive sound, stereo upmixing, adjustable presets, equaliser, Voice Enhancement and Night Mode
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	Alexa
Wi-Fi
Wi-Fi	802.11a/n/ac	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, 2 × 2 MIMO
Bluetooth
Bluetooth	Bluetooth 5.0	Bluetooth 5.0 Classic/BLE with SBC and AAC audio; Bluetooth 5.2 BLE and LC3 are for the separate AMBEO Sub connection
Ports
Ports	One HDMI eARC/ARC input; digital optical; 3.5 mm analogue input; USB-A for firmware updates only; no HDMI video passthrough	One HDMI 2.1 eARC connection and USB-A for accessory power/service; no separate HDMI inputs, optical, analogue or Ethernet connections
Streaming
Streaming	Apple AirPlay 2; Chromecast Audio; Spotify Connect; Bluetooth	AirPlay 2, Chromecast built-in, Spotify Connect, Tidal Connect and UPnP
Multi-room
Multi-room	Optional SR2 wireless surround speakers; supplied subwoofer pairs automatically, with a stated maximum wireless separation of 9 m	Supports up to four separately sold wireless AMBEO Sub units
App
App	–	Sennheiser Smart Control and browser interface for setup and sound controls
Design
Weight
Weight	–	3.3 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.	Included infrared remote, app, browser and soundbar touch controls
Microphones
Microphones	–	Four far-field microphones for room calibration and voice control, with mute button; Alexa built in where supported, Google Assistant and Siri through external compatible devices
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.	70 × 6.9 × 10.1 cm with feet, or 70 × 6.7 × 10.1 cm without feet (width × height × depth). Current UK sheet gives approximately 3.3 kg, while the shared maker manual gives approximately 3.56 kg
Colours
Colours	Black	Black
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, remote with lithium battery, HDMI cable, country-specific power cord and guides; September 2023 release confirmed by TechRadar