JBL Bar 300MK2 vs Marshall Heston 60

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Bar 300MK2 compared with Heston 60

	JBLBar 300MK2	MarshallHeston 60
Overview
Released
Released	June 2025	2025
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	5.0	5.1
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	Five 42 × 80 mm racetrack drivers and four 20 mm tweeters; built-in bass ports, without external subwoofer, rear speakers or upward-firing drivers	Five 1.25-inch full-range drivers and two 3-inch woofers; virtual height effects, with no up-firing drivers (Expert Reviews)
Amplifiers
Amplifiers	450 W maximum output at 1% THD; 225 W RMS at 1% THD, separately specified by the maker	Seven Class D amplifiers, listed as 2 × 25 W and 5 × 5 W; separately stated total output 56 W peak. These are different maker ratings, not additive system power.
Frequency response
Frequency response	50 Hz–20 kHz (−6 dB), maker specification	45 Hz–20 kHz; maximum SPL 89 dB
Audio formats
Audio formats	Dolby Atmos with virtual height effects and DTS Virtual:X; DTS Virtual:X was scheduled for a late-2025 software update and is listed in the current maker specifications	Dolby Atmos and DTS:X
Room tuning
Room tuning	Automatic sound calibration, MultiBeam 3.0, PureVoice 2.0 dialogue enhancement and SmartDetails; seven-band EQ in JBL One. What Hi-Fi?'s December 2025 test reports no preset sound modes	Automatic calibration; Music, Movie, Night and Voice modes
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	Dual-band 2.4/5 GHz Wi-Fi 802.11 a/b/g/n/ac/ax	Wi-Fi 6
Bluetooth
Bluetooth	Bluetooth 5.3; A2DP 1.3 and AVRCP 1.5	Bluetooth 5.3 with SBC, AAC and LC3; Auracast supported
Ports
Ports	One HDMI input, one HDMI eARC output, optical input and USB-A service port. HDR10+ and Dolby Vision passthrough; What Hi-Fi? and Les Numériques report no 4K 120 Hz support. USB music playback is US-only	HDMI eARC, 3.5 mm analogue input, mono RCA subwoofer output and USB-C; no HDMI passthrough
Streaming
Streaming	AirPlay, Google Cast, Spotify Connect, Tidal Connect and Roon Ready; subscriptions may be required	AirPlay 2, Google Cast, Spotify Connect, TIDAL Connect and airable radio
Multi-room
Multi-room	AirPlay or Google Cast multiroom playback	Optional Heston Sub 200 sold separately
App
App	JBL One for network setup, sound calibration, equaliser, music services, Moment presets and software updates	Marshall app
Design
Weight
Weight	2.9 kg	2.76 kg (better)
Controls
Controls	Included remote, top-panel volume/source controls and front display; HDMI CEC and app controls. Works with external Google Assistant or Siri devices, without a built-in voice assistant	Physical buttons and programmable preset; magnetic logo and reversible control panel for wall mounting. No dedicated remote supplied.
Microphones
Microphones	Built-in microphone for sound calibration	Two calibration microphones; no built-in voice assistant
Mounting
Mounting	Two included wall-mount brackets and mounting template	Wall-mount grommets included
Size
Size	940 × 50.5 × 104 mm (width × height × depth); main weight is the soundbar, while 4.8 kg is the packaged weight	730 × 68 × 124 mm (width × height × depth)
Colours
Colours	Black; maker lists recycled plastic and aluminium in the construction	Black or Cream
In the box
In the box	Soundbar, remote with two batteries, mains leads, HDMI cable, two wall-mount brackets, mounting template and product documentation; mains plugs vary by region	Soundbar, two wall-mount grommets, logo and control panel, mains lead, HDMI cable and guides