JBL Bar 1300MK2 vs Sonos Arc Ultra

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Bar 1300MK2 compared with Arc Ultra

	JBLBar 1300MK2	SonosArc Ultra
Overview
Released
Released	2025	October 2024
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	11.1.4	9.1.4
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	Main bar has eight 50 × 75 mm racetrack drivers, seven 25 mm tweeters and four 75 mm upward-firing drivers; each rear has two 50 × 90 mm racetrack drivers, one 50 mm full-range and one 75 mm upward-firing driver; subwoofer has two 200 mm drivers	Nine silk-dome tweeters (two firing upwards), six midwoofers and a Sound Motion woofer (four motors, dual membrane)
Amplifiers
Amplifiers	Total 2470 W maximum or 1235 W RMS, both at 1% THD; maximum main bar 950 W, rears 160 W each, subwoofer 1200 W	Fifteen class-D digital amplifiers
Frequency response
Frequency response	33 Hz–20 kHz (-6 dB)	–
Audio formats
Audio formats	Dolby Atmos and DTS:X; UK model has dual 8-inch subwoofer drivers, rather than the different US Bar 1300XMK2	Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus); with HDMI eARC also Dolby Atmos, Dolby TrueHD, Dolby Atmos (TrueHD), multichannel PCM and Dolby multichannel PCM; DTS Digital Surround
Room tuning
Room tuning	Automatic calibration, MultiBeam 3.0, PureVoice 2.0, SmartDetails and subwoofer AI Sound Boost	Trueplay (iOS and Android); bass, treble and loudness adjustable; Speech Enhancement with four levels; Night Sound
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 and Sonos Voice Control
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 GHz and 5 GHz
Bluetooth
Bluetooth	Main bar Bluetooth 5.3; detachable speakers Bluetooth 5.4, with independent playback, stereo pairing and Auracast	Bluetooth 5.3
Ports
Ports	Three HDMI inputs, one eARC output, optical and USB-A service port; HDR10+ and Dolby Vision passthrough. TechRadar confirms Ethernet and 4K 60 Hz passthrough without 120 Hz or ALLM	HDMI eARC; optical through an adapter sold separately
Streaming
Streaming	AirPlay, Google Cast, Spotify Connect, Tidal Connect and Roon Ready	Apple AirPlay 2
Multi-room
Multi-room	Detachable speakers support TV Broadcasting and rear-only Night Listening; main bar and subwoofer mute in Night Listening	Groups with other Sonos products over Wi-Fi; add a Sonos Sub (or two) and rear speakers; TV Audio Swap to Sonos Ace headphones
App
App	JBL One with equaliser and software updates	Sonos app (iOS and Android); works with the TV remote
Design
Weight
Weight	5.93 kg	5.9 kg (better)
Battery life detail
Battery life detail	Detachable speakers up to 10 hours each, depending on content and volume; 7.2 V, 4722 mAh. Dock to recharge or use USB-C power (TechRadar)	–
Controls
Controls	Remote, JBL One and TV remote via HDMI CEC; Google Assistant and Siri require an external compatible speaker, not a built-in voice assistant	Capacitive touch controls (play, pause, skip, replay, volume, voice mute, grouping); Bluetooth button; microphone switch
Microphones
Microphones	–	Far-field microphone array with beamforming and multichannel echo cancellation; switch cuts power to the microphones
Mounting
Mounting	Main bar and rear wall brackets included	M5 × 0.8 mm thread, 6.5 mm deep; Arc Ultra Wall Mount sold separately
Size
Size	Main bar 1030 × 58 × 136 mm, 1404 mm wide with rears attached; each rear 202 × 58 × 136 mm; subwoofer 315 × 277 × 275 mm (width × height × depth). Main weight is bar only; each rear 1.3 kg, subwoofer 12 kg	75 × 1,178 × 110.6 mm (H × W × D)
Colours
Colours	Black	Black, White
In the box
In the box	Main bar, two detachable rear speakers, subwoofer, remote with batteries, power cords, HDMI cable, wall brackets and four side caps	Arc Ultra, power cable (2 m), HDMI cable (1.5 m), documentation