1x4 HDMI 2.1 Distribution Amplifier 48 Gbps with audio de-embeder

VLSP-14H21SA

Data Sheet

User Manual

Product Description

The VLSP-14H21SA is a high-performance 1x4 HDMI splitter engineered to distribute a single 8K HDMI source to up to four displays with stunning clarity and reliability. Supporting resolutions up to 8K@60Hz (4:2:0, 12-bit) and data rates up to 48Gbps, it fully complies with HDMI 2.1 and HDCP 2.3 standards, making it ideal for next-gen AV applications.

Designed with integration in mind, the splitter features advanced EDID management, cable equalization, and resolution downscaling to ensure compatibility across a range of display types. Additionally, it supports audio transmission with selectable 5.1 or 2.0 channel output, offering flexibility for connection to external sound systems.

Versatile and easy to deploy, the VLSP-14H21SA is perfectly suited for demonstration spaces, video conferencing environments, multimedia classrooms, and large-scale presentation setups where ultra-high-definition signal distribution is essential.

Featured Highlights

  • HDMI 2.1 and HDCP 2.3 compliant

  • Supports 48Gbps FRL and 18Gbps TMDS video bandwidth

  • Supports resolution up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit 8K@30Hz 4:4:4 12bit

  • VRR, ALLM, QMS, QFT, SBTM supported

  • Support HDR, HDR10, HDR10+, Dolby Vision, HLG pass-through

  • Support HDMI audio formats: LPCM 7.1CH, Dolby TrueHD, Atmos, DTS-HD Master Audio

  • Supports resolution auto downscaling and converting on each output port

  • Advanced EDID management

Specifications

Technical
HDMI Compliance     HDMI 2.1    
HDCP Compliance     HDCP 2.3, HDCP1.4    
Video Bandwidth     48Gbps FRL and 18Gbps TMDS   
Video Resolution     Up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit    
Color Depth     8/10/12-bit    
Color Space     RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0    
HDR     HDR, HDR10, HDR10+, Dolby Vision, HLG    
Audio Formats     HDMI input/output:

LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD

Audio de-embedding output:

Optical: LPCM/Dolby/DTS 5.1CH

Analog: LPCM 2CH    
ESD Protection     Human body model — ±8kV (Air-gap discharge) & ±4kV (Contact discharge)    
Connection    
Input 1 × HDMI IN [Type A, 19-pin female]
Output     4 × HDMI OUT [Type A, 19-pin female]

1 × OPTICAL [S/PDIF]

1 × L/R [3.5mm Stereo Mini-jack]
Control 1 × SERVICE [USB Type C, Update port]
Mechanical    
Housing     Metal enclosure    
Color     Black    
Dimensions     176mm (W) × 68mm (D) × 18mm (H)
Weight    295g
Power Supply    Input: AC 100 - 240V 50/60Hz

Output: DC 5V/2A

(US/EU standard, CE/FCC/UL certified)   
Power Consumption     6W (Max)    
Operating Temperature     32 - 104°F / 0 - 40°C
Storage Temperature    -4 - 140°F / -20 - 60°C
Relative Humidity    20 - 90% RH (No condensation)
Recommended HDMI Cable
Video Resolution 8K 4K60 4K30 1080P
HDMI Cable Length

(HDMI IN / OUT) 		2m/6.6ft

(Ultra HDMI 2.1) 		5m/16ft 10m/33ft 15m/49ft
The use of the “Premium High-Speed HDMI” is highly recommended.    

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