
Panasonic UB420
ASIN B07N3PQM5N

UB820
ASIN B07YD3PXQP
Panasonic UB420 vs UB820: What Does an Owner Gain by Upgrading?
For a current UB420 owner, the UB820 adds Dolby Vision playback and analog 2-channel/7.1-channel audio outputs. The UB420 documents HDR Optimizer for HDR(PQ)/static-metadata content when HDR10+ is not enabled, plus HDMI/optical connections; keep it if those documented features fit your setup.
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