VLSP-12H21S

1x2 HDMI 2.1 distribution amplifier splitting one 8K source to two displays simultaneously, up to 8K@60Hz (48Gbps)
Supports 8K@60 4:2:0 and 4K@120 4:4:4, with VRR, ALLM, QMS, QFT, and SBTM, ideal for Xbox Series X and PS5
Per-output auto downscaling (8K-to-4K and 8K/4K-to-1080p) and automatic HDR-to-SDR conversion for mixed displays
HDR10, HDR10+, Dolby Vision, and HLG pass-through, with LPCM 7.1CH/Atmos/DTS:X, EDID management, and USB-C firmware updates

Product Description

The VLSP-12H21S is a 48Gbps 1x2 HDMI splitter designed to deliver ultra-high-definition video from a single HDMI source to two displays simultaneously. Supporting resolutions up to 8K@60Hz (4:2:0, 12-bit) and fully compliant with HDMI 2.1 and HDCP 2.3 standards, this splitter provides the bandwidth and performance required for next-generation AV systems.

Engineered for integration flexibility, it features advanced EDID management and cable equalization to ensure reliable signal quality across both outputs. Its high refresh rate support makes it ideal for gaming setups, providing smooth 4K@120Hz playback for Xbox Series X, PlayStation 5, and compatible displays.

Compact, powerful, and easy to deploy, the VLSP-12H21S is a go-to solution for premium home entertainment, high-performance gaming, and professional AV environments requiring robust dual-display distribution.

Key Features

HDMI 2.1 and HDCP 2.3 compliant
48Gbps FRL and 18Gbps TMDS video bandwidth
Resolution up to 8K@60Hz 4:2:0 and 4K@120Hz 4:4:4, per HDMI 2.1
VRR, ALLM, QMS, QFT, and SBTM supported
HDR, HDR10, HDR10+, Dolby Vision, and HLG pass-through
LPCM 7.1CH, Dolby TrueHD, Atmos, DTS-HD Master, and DTS:X audio pass-through
8K-to-4K and 8K/4K-to-1080p auto downscaling on all outputs
HDR-to-SDR auto conversion on all outputs
Advanced EDID management
Compact design for easy, flexible installation

Downloads

DATA SHEET (PDF)

USER MANUAL (PDF)

Specifications

  
     Technical 
  
     HDMI Compliance    
    HDMI 2.1    
  
     HDCP Compliance    
     HDCP 2.3    
  
     Video Bandwidth    
     48Gbps   
  
     Video Resolution    
     Up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit    
  
     Color Depth    
     8/10/12bit     

     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

     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] 
    
     Control 
     1 × SERVICE [USB Type C, Update port] 

     Mechanical     
  
     Housing    
     Metal enclosure    
  
     Color    
     Black    
  
     Dimensions    
     95mm (W) × 68mm (D) × 18mm (H) 
  
     Weight   
     177g 
  
     Power Supply   
     Input: AC 100 - 240V 50/60Hz 

 Output: DC 5V/2A 
 
 (US/EU standard, CE/FCC/UL certified)   
  
     Power Consumption    
     4.3W (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 
     8K60 
     4K60 
     1080P 
  
     HDMI Cable Type 
     Ultra HDMI 2.1 cable 
     HDMI 2.0 cable 
     HDMI cable 
  
     HDMI Cable Length 

 (HDMI IN / OUT) 
     2m/6.6ft ~ 3m/10ft 
     8m/26ft 
     15m/49ft 
  
    The use of the “Premium High-Speed HDMI” is highly recommended.

1x2 HDMI 2.1 8K 48Gbps Distribution Amplifier

VLSP-12H21S

Product Description

Key Features

Downloads

Specifications

More Product Information