Home Cinema · Explainer ·
Atmos from a streaming app usually reaches your soundbar over plain ARC, because the app sends it as small, compressed Dolby Digital Plus. A disc's lossless Atmos does not fit: ARC carries about 1 Mbps, eARC roughly 37, so a disc played through the TV often arrives as ordinary 5.1.
Pick your source and your link below to see what reaches the bar, and which of five checks fixes it.
Int. the prop room · continuous
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If you want to rule out the cable first, a certified Ultra High Speed lead is a cheap, safe choice for the ARC or eARC run between TV and soundbar.
Ultra High Speed HDMI · 8K-ready cable · Plain HDMI lead
One HDMI socket that speaks eARC, so a disc player on the TV can send lossless Atmos on to the bar. It has no HDMI input, so everything goes through the TV.
3.1.2 channels · Dolby Atmos, DTS:X · HDMI eARC / ARC
Supports eARC and has its own HDMI input, so a disc player can plug straight into the bar and skip the TV's pipe entirely.
9.1.4 channels · eARC, 1 HDMI in · Rear speakers incl.
