JBL Bar 300MK2 vs Sonos Beam (Gen 2)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Bar 300MK2 compared with Beam (Gen 2)
JBLBar 300MK2SonosBeam (Gen 2)
Overview
ReleasedJune 2025October 2021
Sound
TypeSoundbarSoundbar
Channels5.0–
Dolby AtmosYesYes
DriversFive 42 × 80 mm racetrack drivers and four 20 mm tweeters; built-in bass ports, without external subwoofer, rear speakers or upward-firing driversOne centre tweeter, four elliptical midwoofers and three passive radiators
Amplifiers450 W maximum output at 1% THD; 225 W RMS at 1% THD, separately specified by the makerFive class-D digital amplifiers
Frequency response50 Hz–20 kHz (−6 dB), maker specification–
Audio formatsDolby 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 specificationsStereo 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 tuningAutomatic 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 modesTrueplay (iOS device required); bass, treble and loudness adjustable; Speech Enhancement; Night Sound
Connections
Wi-FiYesYes
BluetoothYesNo
AirPlayYesYes
HDMI eARCYesYes
Voice assistantsNoneAlexa and Google Assistant
Wi-FiDual-band 2.4/5 GHz Wi-Fi 802.11 a/b/g/n/ac/ax802.11b/g/n, 2.4 GHz
BluetoothBluetooth 5.3; A2DP 1.3 and AVRCP 1.5–
PortsOne 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-onlyHDMI eARC (optical adapter included); 10/100 Ethernet; IR receiver
StreamingAirPlay, Google Cast, Spotify Connect, Tidal Connect and Roon Ready; subscriptions may be requiredApple AirPlay 2; Sonos Radio
Multi-roomAirPlay or Google Cast multiroom playbackGroups with other Sonos products over Wi-Fi; add a Sonos Sub and rear speakers; TV Audio Swap to Sonos Ace headphones
AppJBL One for network setup, sound calibration, equaliser, music services, Moment presets and software updatesSonos app (iOS and Android); works with the TV remote
Design
Weight2.9 kg2.88 kg (better)
ControlsIncluded 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 assistantCapacitive touch controls (play, pause, skip, replay, volume, microphone off)
MicrophonesBuilt-in microphone for sound calibrationFar-field microphone array with beamforming and multichannel echo cancellation
MountingTwo included wall-mount brackets and mounting template0.5 in (12.7 mm) threaded mount / 10-32 threaded socket; wall mount sold separately
Size940 × 50.5 × 104 mm (width × height × depth); main weight is the soundbar, while 4.8 kg is the packaged weight68 × 651 × 100 mm (H × W × D)
ColoursBlack; maker lists recycled plastic and aluminium in the constructionBlack, White
In the boxSoundbar, remote with two batteries, mains leads, HDMI cable, two wall-mount brackets, mounting template and product documentation; mains plugs vary by regionBeam (Gen 2), power cable (2 m), HDMI cable (1.5 m), optical audio adapter, documentation

More comparisons