1x2 HDMI 2.1 Distribution Amplifier 48 Gbps with audio de-embeder

VLSP-12H21SA

Data Sheet

User Manual

Product Description

The VLSP-12H21SA is a high-performance 1x2 HDMI splitter designed to distribute a single HDMI source to two displays with exceptional clarity and versatility. Supporting video resolutions up to 8K@60Hz (4:2:0, 12-bit) and data rates of up to 48 Gbps, it is fully compliant with the HDMI 2.1 and HDCP 2.3 standards, making it ideal for next-generation AV applications.

This splitter features advanced EDID management for seamless device compatibility and includes built-in audio de-embedding, offering both optical and analog audio output options for external sound systems. Whether you’re using it for high-end AV installations or gaming with Xbox Series X or PS5, it supports 4K@120Hz playback on supported displays, ensuring fluid performance and ultra-high-definition visuals.

Reliable, flexible, and easy to integrate, the VLSP-12H21SA is a powerful solution for multi-display environments that demand cutting-edge video and audio distribution.

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Featured Highlights

  • HDMI 2.1 and HDCP 2.3 compliant

  • Support 48Gbps FRL and 18Gbps TMDS video bandwidth

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

  • VRR, FVA, ALLM supported

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

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

  • Support audio de-embedding function (output through the optical and analog port)

  • Support 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     2 × 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     145mm (W) × 68mm (D) × 17mm (H)
Weight    260g
Power Supply    Input: AC 100 - 240V 50/60Hz

Output: DC 5V/2A

(US/EU standard, CE/FCC/UL certified)   
Power Consumption     4.5W (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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