Still the only source that is not compressed to fit a pipe · review
A premium 4K player with Dolby Vision, HDR10+, HDR10 and HLG, and twin HDMI outputs.
In brief
The only player here with all four HDR formats, the only one publishing an operating temperature, and the heaviest chassis on the shelf — and its own fifth bullet forgets the Dolby Vision that justifies its price. Key figures: Premium 4K Ultra HD Blu-ray player with Dolby Vision, HDR10+, HDR10 and Hybrid Log-Gamma playback, an HCX Hollywood Cinema Experience processor with 4K high-precision chroma processing, twin HDMI outputs for Hi-Res studio master sound, and a published operating temperature range of plus 5 to plus 35 degrees Celsius. Amazon.com had an offer at $615 on October 25, 2026.
Three sources, two answers:
Title: Dolby Vision + HDR10+. Description: HDR10+, HDR10, Dolby Vision, HLG — four. Bullet 5: “three 4K/HDR formats—HDR10 plus, HDR10, and Hybrid Log-Gamma” — Dolby Vision absent.
And that bullet is word for word the one on the UB420 at $367.99, which genuinely does not support Dolby Vision.
So bullet 5 looks copied from the cheaper model — and it omits exactly the feature that justifies the $262 gap between them.
Two of three sources say four formats. Read it as four, and know that the listing you are buying from gets its own headline feature wrong in one place.
HDR10 is the baseline every Ultra HD Blu-ray carries: one set of brightness instructions for the whole film. HDR10+ adds scene-by-scene metadata, mapping each shot to what your television can actually show. Dolby Vision does the same job by a different and incompatible method. HLG is the broadcast format, for live 4K television.
Televisions support one, the other, or both. This is the only player on this shelf that covers all four, so it cannot be the wrong choice for your set.
For contrast: the UB420 names three. The Sony UBP-X700U at $328 says only “HDR (High Dynamic Range)” and names none, so you cannot tell what it will do.
UB420, $367.99 — 4K discs · HDR10+, HDR10, HLG · HCX processor · 4K chroma · Twin HDMI Pure AV · DSD at three rates · 4K VOD streaming · Alexa and Google Assistant · 1,400 g
UB820, $629.99 — all of the above plus Dolby Vision · 2,404 g · a published operating temperature
So the question is simply whether your television does Dolby Vision. If it does HDR10+ instead, the UB420 loses you nothing at all.
The weight is the other real difference, and it is not cosmetic: 5.3 lb (2.4 kg) is the heaviest chassis on this shelf, and mass resists the vibration a disc spinning at speed produces. That is what a transport’s rigidity buys — fewer read errors on a marginal or scratched disc.
+5 °C to +35 °C.
Thirty-five degrees sounds generous until you shut a player inside a sealed AV cabinet with a games console and an amplifier. That space routinely goes past 35 °C (95 °F), and the symptoms are disc-read errors, hanging mid-film, and a shortened laser life.
The fix is a few centimeters of clearance above and behind, or a cabinet with an open back.
No other listing on this shelf publishes any environmental specification — and this is precisely the kind of player people install permanently and forget.
Connects to your audio system via twin HDMI for Hi-Res studio master sound.
The sound-purity argument — keeping video’s high-frequency switching out of the audio path — is arguable.
The compatibility argument is not. Two outputs let video go straight to the television and audio to an older amplifier that cannot pass a 4K HDR signal through itself. Without that, a pre-4K amplifier becomes a bottleneck and you lose either the picture or the surround.
Three players here have twin outputs — this, the UB420 and the Sony UBP-X700U — and none of the three mentions this, which is the reason most buyers actually need it.
No HDMI cable. All three Panasonics here state none, where the $328 Sony and both cheap Sonys include one. On a 4K HDR player that is not a trivial gap: 4K at 60 Hz with HDR needs genuine cable bandwidth, and an old cable frequently sparkles or drops out.
No HDMI version, which on a 4K player is the specification that decides whether 4K/60 with HDR passes at all.
No region code, where nine players on this shelf publish one and all nine say A/1.
No streaming services named — the description mentions “streamed content” without listing anything, where the UB420 names Netflix, YouTube and Prime Video with Alexa and Google Assistant.
Prices quoted in this text were read on October 4, 2026. The live price is at the top of the page.
Amazon.com lists this model (ASIN B07N3PQM5N) and had an offer at $615 on October 25, 2026. The price box on this page is refreshed live and takes precedence over that figure.
| Disc playback | 4K Ultra HD Blu-ray — genuine 4K disc reading |
|---|---|
| HDR formats | Dolby Vision, HDR10+, HDR10 and HLG — all four |
| Its own bullet 5 | Lists only THREE and omits Dolby Vision — see the FAQ |
| Processor | HCX Hollywood Cinema Experience, with 4K high-precision chroma |
| HDMI | Twin outputs, for Hi-Res studio master sound to an audio system |
| Operating temperature | +5 °C (41 °F) to +35 °C (95 °F) — the only one on this shelf |
| Upscaling | Panasonic upscaling to 4K, stated for natural textures and depth |
| Weight | 5.3 lb (2.4 kg) — the heaviest on this shelf |
| Dimensions | 8.07 × 16.9 × 2.52 in (205 × 429 × 64 mm) |
| Against the UB420 at $367.99 | Against the UB420 at $300: $315 more, and the difference is Dolby Vision (Amazon.com prices, Oct 25, 2026) |
| HDMI cable | Not stated |
| Region | Not published |
| Streaming | Streamed content supported, services not named |
| HDMI version | Not published |
| Amazon reference | B07N3PQM5N |
| EAN | 0885170334618 |
It does, and its own listing contradicts itself about it. The title reads "4K Blu Ray Player, Dolby Vision HDR10+ DVD Player". The description reads "supports 4K/HDR formats like next-generation HDR10+ dynamic metadata, HDR10, ... as well as Dolby Vision and Hybrid Log-Gamma (HLG)" — four formats. But bullet 5 reads: "enables high dynamic range playback of three 4K/HDR formats—HDR10 plus, HDR10, and Hybrid Log-Gamma (HLG)" — three, with Dolby Vision absent. And here is the telling part: that is word for word the bullet on the UB420 at $367.99, which genuinely does not support Dolby Vision. So bullet 5 appears to have been copied from the cheaper model, and it omits precisely the feature that justifies the $262 difference between them. Two of three sources say four formats; read it as four.
It depends on one thing: whether your television does Dolby Vision. The two Panasonics are otherwise closely matched. UB420, $367.99 — 4K disc playback, HDR10+, HDR10, HLG, HCX processor, 4K chroma, Twin HDMI Pure AV, DSD at three rates, 4K VOD streaming, Alexa and Google Assistant, 3.1 lb (1.4 kg). UB820, $629.99 — all the above plus Dolby Vision, a heavier 5.3 lb (2.4 kg) chassis, and a published operating temperature. Dolby Vision and HDR10+ do the same job — scene-by-scene brightness mapping — by incompatible methods, and televisions support one, the other, or both. If yours does HDR10+ and not Dolby Vision, the UB420 loses you nothing. If it does Dolby Vision, this is the only player on the shelf that will use it.
Because a player in a closed cabinet gets hotter than people expect, and nobody else on this shelf mentions it. Panasonic publishes "operating temperature range: +5°C to +35°C (+41°F to +95°F)". Thirty-five degrees sounds generous until you shut a disc player inside a sealed AV cabinet with a games console and an amplifier: that space routinely passes 35 °C (95 °F), and the usual symptoms are disc-read errors, the player hanging mid-film, and a shortened laser life. The right answers are a ventilation gap of a few centimeters above and behind, or a cabinet with an open back. It is a small disclosure and a genuinely useful one — especially on the heaviest, best-built player here, which is exactly the kind people install permanently and forget about.
Between 4K Blu-ray players at a nearby price. Shown: what they all state. A half-filled column says nothing.
| Model | Price | Disc playback | Region | Streaming |
|---|---|---|---|---|
| Panasonic DP-UB820-K | $615 | 4K Ultra HD Blu-ray — genuine 4K disc reading | Not published | Streamed content supported, services not named |
| Sony BDP-S6700 | $400 | HD Blu-ray and DVD. The maker states 4K Ultra HD discs are NOT supported | Not published | Netflix, YouTube, Amazon Prime Video and more |
| Panasonic DP-UB420-K | $300 | 4K Ultra HD Blu-ray — genuine 4K disc reading | Not published | 4K VOD from Netflix, YouTube and Prime Video |
| Sony UBP-X700U | $298 | 4K Ultra HD Blu-ray — GENUINE 4K disc reading, not upscaling | Blu-Ray Disc (A), DVD Disc (1) — published | Not stated |
A 4K television of any HDR standard — it is the only player here that covers all four
Amazon reports what buyers took in the month before this page was last checked: at least 500.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
Region A Blu-ray and Region 1 DVD player with 1080p Full HD playback and DVD up-conversion, Dolby Digital sound, HDMI output, a slim space-saving body, USB support to 128 GB, built-in PAL and NTSC, supplied with a remote control, an HDMI cable and an AV cable
A Region A player at 1080p with Dolby Digital, PAL and NTSC, and both cables supplied.
Best for: A second room with an old television — both cables are in the box
≈ $100
Region A Blu-ray and Region 1 DVD player with upscaled 1080p Full HD output, Dolby Digital surround support, HDMI and AV outputs with both cables supplied, USB playback of video, music and photo files, and a remote control
A Region A player at 1080p with Dolby Digital, HDMI and AV outputs and both cables supplied.
Best for: A tidy second player where both cables in the box is the deciding factor
≈ $110
Region A Blu-ray and Region 1 DVD player at 1080p with an MT8553 decoding chipset, a 480AHA laser mechanism and 256 MB DDR3, HDMI 1.4 and legacy AV outputs, USB reading of flash drives to 128 GB and external hard drives to 8 TB, with Dolby TrueHD, Dolby Digital Plus and DTS passthrough and a 1.5 meter (4.9 ft) HDMI cable
A Region A player at 1080p reading hard drives to 8 TB, with its chipset and RAM published.
Best for: A large film library on a hard drive — nothing else here claims eight terabytes
≈ $108
