Design & Build
The A400 Pro features a slim, bezel‑less frame with an art‑inspired matte coating that blends seamlessly into contemporary interiors. Its floating appearance makes it ideal for wall mounting or placement on stylish stands.

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The A400 Pro features a slim, bezel‑less frame with an art‑inspired matte coating that blends seamlessly into contemporary interiors. Its floating appearance makes it ideal for wall mounting or placement on stylish stands.
Equipped with QD‑Mini LED backlighting and Quantum Dot enhancement, the TV delivers high brightness, precise local dimming, deeper blacks, and accurate color reproduction across the 55‑inch screen.
Running Google TV, the A400 Pro provides access to a wide range of streaming apps, voice control, and smooth navigation. The MediaTek Pentonic 700 processor ensures responsive performance.
A native 144 Hz refresh rate (up to 288 Hz motion acceleration) combined with HDMI 2.1, VRR, ALLM, and AMD FreeSync Premium Pro delivers fluid gameplay and low input lag.
The built‑in 20 W ONKYO 2.0 Hi‑Fi system supports Dolby Atmos and DTS:X, providing an immersive soundstage for movies and games.
The A400 Pro is available in 55, 65 and 75‑inch variants, catering to different room sizes and viewing preferences.
| Display | 4K UHD QD‑Mini LED (Quantum Dot + Mini LED) |
|---|---|
| Screen Size | 55 inch |
| Refresh Rate | 144 Hz Native (Motion Accelerator up to 288 Hz at 1080p) |
| Processor | TSR AiPQ Video Processor |
| HDR Support | Dolby Vision IQ, HDR10+, HLG |
| Audio System | 20 W ONKYO 2.0 Hi‑Fi with Dolby Atmos & DTS:X |
| Gaming Connectivity | 2× HDMI 2.1, VRR, ALLM, AMD FreeSync Premium Pro, Game Bar 4.0 |
| Smart OS | Google TV (MediaTek Pentonic 700) |
| Special Features | Anti‑Glare Matte Coating (A400 Pro), Photo Frame / Art Gallery Mode |