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Amazon Fire TV 4-Series (2025)
4K43N402 / 4K50N402 / 4K55N402
43 in (42.5 in viewable)
3840 x 2160 (4K UHD), 60 Hz
HDR10+, HDR10, HLG
Wi-Fi 6 + Ethernet
4 HDMI (1 eARC 2.1 + 3 HDMI 2.0)
AML T963D4Z quad-core
Alexa+ and Ambient Experience
43 in with stand: 37.7 x 25.2 x 10.3 in
Alexa Voice Remote Enhanced included
Amazon Fire TV 4-Series (2025)
4K Display System
3840 x 2160 (4K UHD), 60 Hz
HDR10+, HDR10, HLG
System Platform
AML T963D4Z, 4x CA55 @ 1.9 GHz, Mali-G57 MC1
Fire OS 8 (Android Level 30 / Android 11)
Audio
10W + 10W Speaker
Dolby Digital Plus with passthrough of Dolby-encoded audio
Ports and Network
4 HDMI, 1 USB 3.0, RF input, optical output, headphone output, IR blaster output
Wi-Fi 6 (2.4GHz and 5GHz), Ethernet 10/100 Mbps, Bluetooth 5.4
Fire TV Features
Presence Detection, Alexa+, Dialogue Boost
Fire TV Ambient Experience, Amazon Luna, Xbox Game Pass
Memory and Storage
2.5 GB RAM
16 GB storage
Model and Release Details
- Friendly/Retail name: Amazon Fire TV 4-Series (2025)
- Build models: AFTNA1322D / AFTNA67200
- Retail model identifiers: 4K43N402 / 4K43N400A / 4K50N402 / 4K50N400A / 4K55N402 / 4K55N400A
- SKU number (listed): 4K43N402
- Form factor: Smart TV
- Release year: 2025
- Marketplaces listed: amazon.com, amazon.ca, amazon.com.mx, amazon.co.uk, amazon.de, amazon.it
| Size variant | Launch Price (MSRP) |
|---|---|
| 43-inch | $329.99 USD / £429.99 GBP |
| 50-inch | $399.99 USD |
| 55-inch | $459.99 USD |
Technical Specifications
| Feature | Details |
|---|---|
| Screen size (listed model) | 43 in (42.5 in viewable) |
| Resolution | 3840 x 2160 (4K UHD) |
| Display support | Up to 4K Ultra HD |
| HDR support | HDR, HDR10, HDR10+, HLG |
| HDR formats | HDR10+, HDR10, HLG |
| Backlight type | Direct LED |
| Refresh rate | 60 Hz |
| Audio power | 10W + 10W |
| Audio support | Dolby Digital Plus with passthrough of Dolby-encoded audio |
| Processor (SoC) | AML T963D4Z |
| CPU | 4x CA55 @ 1.9 GHz |
| GPU | Mali-G57 MC1 |
| Operating system | Fire OS 8 |
| Android level | Android Level 30 (Android 11) |
| ABI | 32-bit |
| Memory (RAM) | 2.5 GB |
| Storage | 16 GB |
| Max OpenGL | OpenGL ES 3.1 / Vulcan 1.3 / OpenCL 2.0 |
| Colour formats | 1.07 billion |
| DRM | Widevine, HDCP 1.x, HDCP 2.x RX, FairPlay/MFi, YT |
| VESA mount | 300 mm x 300 mm |
Connectivity and Ports
| Feature | Details |
|---|---|
| Wi-Fi | 802.11ax 1T1R; WiFi 6 (2.4GHz and 5GHz); Chip MT7902B |
| Ethernet | 10/100 Mbps |
| Bluetooth | Bluetooth 5.4 (BLE Supported) |
| HDMI ports | 4 HDMI (1 HDMI 2.1 with eARC, 3 HDMI 2.0) |
| USB ports | 1 USB 3.0 |
| Other ports | 1 RF Input; 1 SPDIF Digital Audio Output Optical; 1 Audio Output Headphone; 1 3.5mm mini jack IR blaster output |
| Audio output | 1 Digital Optical Audio Port |
| Voice support | Fire TV Alexa Voice Remote Enhanced (included) or Fire TV app |
Display and Audio
| Feature | Details |
|---|---|
| Video codecs | H.265 HEVC (Max 2160p @ 60 fps, Level 5.1, Main 10); H.264 AVC (Max 2160p @ 60 fps limited support, Level 5.0); VP9 (profile 0, 2, up to UHD@60); AV1 (Main profile, Level 4.1, 4.3, 5.1) |
| Audio codecs | AAC-LC; HE-AACv1 (AAC+); HE-AACv2 Profile (enhanced AAC+); AAC ELD; Dolby Audio (AC3, EAC3 decoder, passthrough, AV Sync handling, mixing system sound); MP3; PCM/Wave; Opus |
| Speakers | 10W+10W Speaker |
| Mic | Not Supported |
| Device buttons | One button for Channel Up/Down, Volume Up/Down, Power |
| Near-field Alexa | Supported |
| Far-field Alexa | Supported only through linked Echo device |
| Miracast | Supported |
Dimensions and Remote Specs
TV dimensions and weight (43-inch model)
| Configuration | Dimensions | Weight |
|---|---|---|
| With Stand | 37.7 in x 25.2 in x 10.3 in | 14.3 lbs |
| Without Stand | 37.7 in x 22.2 in x 3.2 in | 14.1 lbs |
- Leg distance: 34.8 in
Alexa Voice Remote Enhanced
- Technology: Bluetooth 5.0
Materials
- Packaging: 82% of this device's packaging is made of wood fibre-based materials from responsibly managed forests or recycled sources.
In the Box
- Amazon Fire TV 4-Series TV
- Alexa Voice Remote Enhanced
- TV stand (2 legs, 4 screws)
- Power cord
- 2 AAA batteries
- Quick Start Guide
Amazon Fire TV 4-Series (2025) - Summary
Amazon Fire TV 4-Series (2025) lists 4K UHD resolution at 3840 x 2160 and 60 Hz, HDR10+/HDR10/HLG support, Wi-Fi 6 with Ethernet, four HDMI ports with one HDMI 2.1 eARC port, and AML T963D4Z quad-core hardware running Fire OS 8.
| Launch Price (MSRP): | Current Market Price: |
|---|---|
| US$329.99 |