The SY-MS51U-18G-SET is a high-performance 5× Input Seamless Presentation Switcher and KVM Solution with advanced multi-view modes, dual mirrored outputs, Dante® audio integration, HDBaseT extension, and USB-C charging — supplied complete with the SY-HDBT-U3-R-18G Receiver for full end-to-end connectivity.

This powerful set is designed for modern BYOD meeting spaces, classrooms, and professional AV environments. With 3× HDMI 2.0b and 2× USB-C inputs (each supporting up to 60W charging), it offers seamless 4K60 4:4:4 switching, full KVM support between local and remote devices, and mirrored HDMI/HDBaseT outputs. Multi-view display capability (dual, triple, quad, PiP), comprehensive control options, and integrated audio management make it the perfect solution for flexible, high-quality AV installations.

SY-MS51U-18G-SET Connection Diagram

Key Features

  • Complete TX/RX Solution: Includes SY-MS51U-18G Switcher/Transmitter and SY-HDBT-U3-R-18G HDMI & USB KVM Receiver.
  • Seamless 4K60 4:4:4 Switching: Supports 3× HDMI 2.0b and 2× USB-C inputs with ultra-fast, seamless transitions.
  • USB-C Video & Charging: DisplayPort 1.4 video with up to 60W power delivery per USB-C port.
  • Multi-View Output: Single, dual, triple, quad, and Picture-in-Picture (PiP) display modes with programmable presets.
  • Dual Mirrored Outputs: HDMI and HDBaseT 3.0 up to 40m @ 4K60 or 70m @ 4K30 over Cat6a.
  • Integrated KVM Switching: Full USB routing between local and remote PCs, controllable via hotkeys or front panel.
  • Dante® Audio Integration: 2-channel Dante I/O with analogue stereo embedding/de-embedding.
  • Advanced Audio Tools: Per-output volume, delay, 31-band EQ, and multiple routing options via Web GUI.
  • Flexible Control: TCP/IP (Web GUI), RS232, IR remote, CEC, hotkeys, and front panel buttons.
  • Full EDID Management: Preset, learned, or automatic EDID handling for optimal compatibility.
  • HDR & Colour Depth Support: HDR10, HDR10+, Dolby Vision, HLG; 8, 10, and 12-bit colour modes.
  • HDCP Compliance: Supports HDCP 1.4 & 2.2.

Key Uses

  • Operate as a pair for complete KVM functionality across local and remote workstations.
  • Control up to 3× local PCs from the transmitter (2× USB-C & 1× HDMI) plus an additional PC at the receiver end.
  • Ideal for meeting rooms, hybrid classrooms, control rooms, and live event environments.
  • Hotkey commands for fast switching between sources and multi-view layouts.

Multi-View Modes

Available modes include single full-screen, dual, triple, quad, and PiP. PiP windows can be moved and resized, with five programmable presets for quick recall of preferred layouts.

Specifications

Video Resolutions Up to 3840×2160p @ 60Hz 4:4:4 (18Gbps)
HDMI Standard HDMI 2.0b
USB-C Video DisplayPort 1.4 up to 4K60 4:4:4, 60W charging
HDR Support HDR, HDR10, HDR10+, Dolby Vision, HLG
HDCP Support HDCP 1.4 & 2.2
Inputs (TX) 2× USB-C, 3× HDMI 2.0b, Balanced Audio, Dante (2ch)
Outputs (TX) 1× HDMI 2.0b, 1× HDBaseT 3.0, Balanced Audio, Dante (2ch)
Receiver Inputs HDBaseT 3.0, HDMI 2.0b
Receiver Outputs HDMI 2.0b
USB Ports USB 3.0 & USB 2.0 on both TX and RX, full KVM support
HDBaseT Distance Up to 40m @ 4K60 / 70m @ 4K30 over Cat6a
Control Interfaces RS232, LAN (Web GUI), IR, Front Panel, CEC
Power Supply 24V DC, 8A
Power Consumption Up to 150W max
Dimensions TX: 220 × 43 × 180mm; RX: 184 × 21.5 × 105mm
Weight TX: 1.5 kg; RX: 0.53 kg
Included in the Box 1× SY-MS51U-18G Transmitter/Switcher
1× SY-HDBT-U3-R-18G Receiver
1× 24V DC PSU with UK & EU adapters
4× Mounting Plates with Screws
2× 3-way Pluggable Terminal Connectors
User Manual