Blustream C44CS-KIT 4×4 HDBaseT™ Matrix HDMI Extender


The C44CS-KIT is a HDMI 2.0 4K 60Hz 4:4:4 HDCP 2.2 Matrix utilising CSC technology to deliver HDMI, bi-directional IR, and PoC up to lengths of 70m over a single CAT cable.

The matrix also provides advanced features including simultaneous HDBaseT™ / HDMI on output 1, video down conversion on HDBaseT™ outputs and a web browser interface module for control and configuration of the matrix.

The C44CS-KIT is supplied with 4 x RX70CSL receivers.

  • Advanced HDBaseT™ technology offering distribution of video and audio over a single CAT cable
  • Advanced Colour Space Conversion (CSC) supports HDMI 2.0 18Gbps specification including HDR* *CSC feature compatible with RX70CSL only
  • Features 4 x HDMI inputs which can be independently routed to 4 x HDBaseT™ outputs
  • Output 1 features simultaneous HDMI and HDBaseT™ output
  • Video down-conversion on HDBaseT™ outputs allowing a display only capable of supporting lower video resolutions (4K 60Hz 4:2:0 or 1080p) to receive 4K 60Hz 4:4:4 video content while still showing maximum original 4K UHD resolution on remaining video outputs
  • Supports 4K 60Hz 4:4:4 UHD video up to 40m
  • Extends HDMI 1080p video up to 70m
  • Supports all industry standard video resolutions including VGA-WUXGA and 480i-4K
  • Supports all known HDMI audio formats including Dolby TrueHD, Dolby Atmos, Dolby Digital Plus and DTS-HD Master Audio transmission
  • Web interface module for control and configuration of matrix
  • Supports bi-directional IR on all HDBaseT™ outputs
  • Control via front panel, iOS / Android App, IR, RS-232 or TCP/IP
  • Supports 12V PoC (Power over Cable) to power compatible HDBaseT™ receivers
  • Supplied with Blustream IR receivers and emitters
  • 3rd party drivers available for all major control brands
  • 1U design for 19” rack mount integration – mounting kit included
  • Advanced EDID management and HDCP 2.2 compliant

C44CS – Matrix

  • Video Input Connectors:  4 x HDMI Type A, 19-pin, female
  • Video Output Connectors:  1 x HDMI Type A, 19-pin, female, 4 x HDBaseT™ RJ45 connectors
  • TCP/IP Control:  1 x RJ45, female
  • RS-232 Serial Ports:  1 x DB-9, female
  • IR Input Ports:  5 x 3.5mm stereo jack
  • IR Output Ports:  4 x 3.5mm mono jack
  • Rack Mountable:  1U rack height, rack ears included
  • Casing Dimensions (W x H x D):  437mm x 44mm x 300mm (without feet)

RX70CSL Receiver

  • Video Input Connectors:  1 x HDBaseT™ RJ45 connectors
  • Video Output Connectors:  1 x HDMI Type A
  • IR Input Ports:  1 x 3.5mm stereo jack
  • IR Output Ports:  1 x 3.5mm mono jack
  • Casing Dimensions (W x H x D):  85mm x 24mm x 120mm
  • Mounting Wings:  Supplied


  • Power Supply:  Internal 100-240V AC
  • HDBT Power Output:  12V DC 0.8A per port
  • Shipping Weight:  6.0kg
  • Operating Temperature:  23°F to 122°F (-5°C to +50°C)
  • Storage Temperature:  -13°F to 158°F (-25°C to +70°C)

What’s In The Box

  • 1 x C44CS Matrix
  • 4 x RX70CSL Receivers
  • 1 x Rack Mounting Kit
  • 4 x Mounting Kits for RX70CSL
  • 4 x Mounting Feet
  • 1 x Remote Control
  • 4 x IR Emitters
  • 5 x IR Receivers
  • 1 x Serial Cable – DB9 to DB9
  • 1 x IR Control Cable – 3.5mm-3.5mm Cable
  • 1 x Quick Reference Guide
  • IEC Power Cable(s)