JBL Bar 300MK2 vs JBL Bar 500MK2

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Bar 300MK2 compared with Bar 500MK2

	JBLBar 300MK2	JBLBar 500MK2
Overview
Released
Released	June 2025	June 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	Soundbar with five 42 × 80 mm racetrack drivers and four 20 mm tweeters; subwoofer with a 10-inch (260 mm) driver
Amplifiers
Amplifiers	450 W maximum output at 1% THD; 225 W RMS at 1% THD, separately specified by the maker	750 W maximum in total (450 W soundbar, 300 W subwoofer, at 1% THD); 375 W RMS
Frequency response
Frequency response	50 Hz–20 kHz (−6 dB), maker specification	40 Hz – 20 kHz (−6 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 (virtual) and DTS Virtual:X (DTS Virtual:X added by software update in late 2025)
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	Room calibration; MultiBeam 3.0, PureVoice 2.0 dialogue enhancement and SmartDetails; 7-band EQ in the JBL One app
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 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz
Bluetooth
Bluetooth	Bluetooth 5.3; A2DP 1.3 and AVRCP 1.5	Bluetooth 5.3; A2DP 1.3, AVRCP 1.5
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 in (4K Dolby Vision and HDR10+ passthrough, HDCP 2.3); HDMI out with eARC; optical in; USB-A (music playback on US models only, otherwise for service)
Streaming
Streaming	AirPlay, Google Cast, Spotify Connect, Tidal Connect and Roon Ready; subscriptions may be required	AirPlay, Google Cast, Spotify Connect, Tidal Connect, Roon Ready
Multi-room
Multi-room	AirPlay or Google Cast multiroom playback	–
App
App	JBL One for network setup, sound calibration, equaliser, music services, Moment presets and software updates	JBL One app
Design
Weight
Weight	2.9 kg	2.9 kg
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	Remote control; works with separate Google Assistant or Siri speakers
Microphones
Microphones	Built-in microphone for sound calibration	–
Mounting
Mounting	Two included wall-mount brackets and mounting template	Two L-shaped wall brackets for the soundbar in the box
Size
Size	940 × 50.5 × 104 mm (width × height × depth); main weight is the soundbar, while 4.8 kg is the packaged weight	Soundbar 940 × 50.5 × 104 mm (W × H × D); subwoofer 325 × 400 × 325 mm, 8.1 kg
Colours
Colours	Black; maker lists recycled plastic and aluminium in the construction	Black, White
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, wireless subwoofer, remote with two batteries, power cords, HDMI cable, two wall brackets, wall-mount template, quick start guide, safety instructions and warranty card