UHD4K-44 V3


The product is a professional 4×4 HDMI 2.0 Matrix Switcher with Audio Matrix. It includes 4 HDMI inputs, 4 HDMI outputs and the last two outputs feature a down-scaling function, which is designed for switching four HDMI2.0 and HDCP2.3 compliant signals. It also features 4 SPDIF and 4 analog audio outputs for the built in audio matrix.



  • 4×4 HDMI 2.0 Matrix Switcher.
  • Supports 4K/60 4:4:4, HDR, HDCP2.3 compliant.
  • Audio Matrix, audio out can de-embedded from any input or output.
  • Individual volume adjustment on each L+R output.
  • Supports 4K to 1080p down-scaling on outputs 3 & 4.
  • HDMI out provides 2.5W to power Active Optical Cables (AoC).
  • HDMI Output supports up to 5V500mA for AoC cables
  • Controllable by front panel, IR, RS232 and TCP/IP.
Video Input(4) HDMI
Video Input Connector(4) Type-A female HDMI
Video input Video ResolutionUp to 4K@60Hz 4:4:4
Video Output(4) HDMI
Video Output Connector(4) Type-A female HDMI,
Video output Video ResolutionUp to 4K@60Hz 4:4:4
HDMI OutputSupports up to 5V 500mA for AoC cable
HDMI VersionUp to 2.0
HDCP VersionUp to 2.3
HDMI Audio SignalLPCM 7.1 audio, Dolby Atmos®, Dolby® TrueHD, Dolby Digital® Plus, DTS:X™, and DTS-HD® Master Audio™ pass-through.
Digital Audio Output
Output(4) Digital SPDIF audio
Output Connector(4) Toslink connector
Digital SPDIF Audio FormatSupports PCM, Dolby Digital, DTS, DTS-HD
Frequency Response20 Hz to 20 kHz, ±1dB
Max Output level±0.05dBFS
THD+N< 0.05%, 20 Hz – 20 kHz bandwidth, 1 kHz sine at 0dBFS level (or max level)
SNR> 90dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation< -70 dB, 10 kHz sine at 0dBFS level (or max level before clipping)
Analog Audio Output
Output(4) Analog L/R Audio
Output Connector(4) L&R (RCA)
Digital SPDIF Audio FormatPCM 2CH
Frequency Response20Hz to 20KHz, ±1dB
Max output level2.0Vrms ± 0.5dB. 2V = 16dB headroom above -10dBV (316 mV) nominal consumer line level signal
THD+N< 0.05%, 20Hz – 20KHz bandwidth, 1KHz sine at 0dBFS level (or max level)
SNR> 80dB, 20Hz-20KHz bandwidth
Crosstalk Isolation< -80 dB, 10KHz sine at 0dBFS level (or max level before clipping)
L-R Level deviation< 0.05dB, 1 KHz sine at 0dBFS level (or max level before clipping)
Frequency Response Deviation< ± 0.5dB 20Hz – 20KHz
Output Load Capability1Kohm and higher (supports 10x paralleled 10k ohm loads)
Control Port(1) IR REC, (1) RS232, (1) FIRMWARE, (1) TCP/IP
Control Connector

(1) 3.5mm jack, (1) 3-pin terminal block, (1) USB-A,

(1) RJ45,

Transmission Distance4K/60Hz/444 5m, 4K/60Hz/420 10m,1080P 15m
Operation Temperature-5~ +55℃
Storage Temperature-25 ~ +70℃
Relative Humility10%-90%
External Power SupplyInput: AC 100~240V, 50/60Hz; Output: 24V DC 1.25A
Maximum Power Consumption18W (Max)
Dimension (W*H*D)436.4mm*44mm*236mm
Net Weight2.6kg

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