JBL Bar 300MK2 5.0-Channel All-in-One Soundbar with Dolby Atmos, MultiBeam 3.0, PureVoice 2.0 | 450W, HDMI eARC, JBL ONE App

Upgrade your TV sound with the JBL Bar 300MK2

Transform your viewing and gaming moments with an all-in-one soundbar designed to deliver richer, more immersive audio in a compact form. The JBL Bar 300MK2 combines a 5.0-channel setup with a 450W max output and built-in bass ports, offering punchy bass and clear midrange without needing a separate subwoofer. Dolby Atmos support adds height and ambience, helping effects feel more alive and environments more expansive.

With MultiBeam 3.0, sound beams fill the room so you feel centered in the action, whether you’re sprinting through a chase scene or enjoying a sweeping soundtrack. PureVoice 2.0 automatically enhances dialogue so speech stays intelligible even as the volume shifts, while SmartDetails helps preserve subtle cues from the sound mix for a balanced listening experience.

Immersive sound that fits your space

• 450W max output power and built-in bass ports deliver punchy bass without a separate subwoofer.
• Dolby Atmos and MultiBeam 3.0 create a wide, cinema-like soundstage around you.
• PureVoice 2.0 ensures dialogue stays clear across scenes and volumes.
• SmartDetails captures subtle cues like creaking doors and distant voices for a richer mix.

Seamless streaming and simple setup

• Works with AirPlay, Google Cast, Spotify Connect, Tidal Connect, and Roon Ready for broad streaming options.
• Easy sound calibration adapts to your room by analyzing reflections for optimized 3D effects.
• JBL ONE App provides precise EQ, favorite app browsing, and firmware upgrades from the couch.
• HDMI eARC with 4K Dolby Vision passthrough preserves Atmos and video quality through a single cable.
• Compatible with voice assistant-enabled speakers for hands-free control of playback and volume.

In real-world use, this soundbar aims to be a versatile hub for movie nights, gaming, and music in cozy spaces. Its design and feature set are meant to adapt to a range of TVs and setups, offering a single, capable solution that can evolve with your preferences. While results can vary by room and content, the JBL Bar 300MK2 presents a credible path to richer sound without a separate speaker system.