Alfatron ALF-SUK4-8K 8K HDMI 2.1 1x4 Splitter and Scaler with Audio De-Embedding
Usually arrives in 5-9 business days.
The Alfatron ALF-SUK4 (Gen 2) is a 4K HDMI 1x4 splitter designed to distribute one HDMI source to four displays. It supports 4K UHD at 60 Hz with 4:4:4 chroma sampling, HDR10, HLG, HDCP 2.3, and data rates up to 18 Gbps. Features include de-embedded balanced, optical, and RCA audio outputs, EDID management, and automatic downscaling from 4K to 1080p for legacy displays.
The ALF-SUK4 (Gen 2) is an HDMI 2.0 splitter with one HDMI input and four HDMI outputs, supporting high dynamic range (HDR) formats. It is HDCP 2.3 compliant and supports 4K/UHD video at 60 Hz with 4:4:4 chroma sampling, as well as HDMI data rates up to 18 Gbps. This splitter includes de-embedded audio, scaling, EDID management, and front-panel LED indicators for power and signal status.
Supports 4K/UHD capability at 60 Hz with 4:4:4 chroma sampling and is compatible with 4K HDR10 at 60 Hz and HLG (Hybrid Log-Gamma). It supports backward compatibility with previous HDCP versions. Smart EDID management via a 5-pin DIP switch allows the source to use a display's EDID or internally stored EDID settings. De-embedded audio outputs include one balanced, one optical, and one RCA connection. The splitter automatically downscales 4K to 1080p for legacy displays, and its firmware can be updated in the field via the USB port.
Most Alfatron products come with a 7-year limited warranty. Register your product with Alfatron to receive an additional 3-year extended warranty on eligible products, for 10 years of total coverage.
| I/O | One HDMI in, four HDMI out |
|---|---|
| Connector | Type-A female HDMI |
| HDMI Resolution | Up to 4K x 2K @ 60 Hz 4:4:4 8bit |
| HDMI Standard | 2.0 |
| HDR Formats | 4:2:0, 4:2:2, 4:4:4 (10- and 12-bit Deep Colour) HDR10, HDR10+, HLG |
| Deep Color | Up to 16 Bit (1080), up to 12 Bit (4K) |
| HDCP Version | 2.3, 2.2, 1.4 compliant |
| CEC | Supported |
| HDMI Audio | PCM 2.0 CH, LPCM5.1, LPCM 7.1, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio, DTS-X, Dolby Atmos |
| COAX | PCM 2.0 CH, LPCM5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio, DTS-X, Dolby Atmos |
| Optical | PCM 2.0 CH, LPCM5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio, DTS-X, Dolby Atmos |
| Analog (Balanced) | PCM 2.0 CH |
| Analog (on RCA) | PCM 2.0 CH |
| Control Part | (1) EDID 5-pin DIP switch, (1) Micro-USB port |
| Bandwidth | 18 Gbps |
| HDMI 2.0 Cable Length | 4K @ 60 Hz 4:4:4 ≤ 5 m, 4K @ 60 Hz 4:2:0 ≤ 15 m, 1080P ≤ 20 m |
| Operation Temperature | -10°C ~ +55°C |
| Storage Temperature | -25°C ~ +70°C |
| Relative Humility | 10%-90% |
| Power Supply | Input: 100V~240V AC; Output: 5V DC 1A |
| Power Consumption | 2W (Max) |
| Dimensions (H x W x D) | 0.83" (21 mm ) x 4.72" (120 mm) x 2.95" (75 mm) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.