Manufacturer's Code SB-5645AK


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Instruction Manual Windows XP Software Windows 7-10 Software


A HDMI matrix designed for systems requiring independent audio signals. Each HDMI input is paired with a 3.5mm stereo audio socket for connection to analog audio sources. Each HDMI output is paired with a S/PDIF ARC compatible digital audio output (RCA). Audio output can be either S/PDIF or via HDMI (ie: S/PDIF output is optional). Switches multiple HDMI AV devices to multiple HDMI equipped displays. Any input may be routed to any output via the front panel switches, IR remote control or RS-232 communication. Preset configurations can be stored in memory and recalled at a button press. Supports resolutions up to 4K/2K. An infra-red extender port allows remote control even when mounted inside a cabinet or rack. HDCP compliant. Supports and displays EDID (7 selectable EDID modes). Includes power supply. 19” rack mountable (ears supplied). HDMI 1.4. Dimensions: ≈482W x 250D x 44Hmm.


  • Switches multiple HDMI with analog aux audio source devices to multiple HDMI with S/PDIF outputs
  • 4K/2K HD ready
  • PC resolutions XGA to WUXGA (1920 x 1200)
  • TV resolutions from 480i to 4K/2K (24/30Hz)
  • Supports deep colour 36-bit
  • Supports Dolby TrueHD, Dolby Digital, Dolby Digital Plug/ex, DTS, DTS-HD, DTS-HD Master, DTS-EX, PCM, PCM2, LPCM2 • RS232 port
  • Ethernet, IR or front panel control
  • 240V ac operation

Information & Downloads


  • Type of HDMI Switcher: 4 x inputs to 4 x outputs HDMI Matrix switch with audio and extension
  • HDMI Support: HDMI 4K2K, 1080P-@60Hz, H36-bit Deep color, 3D of HDMI V1.4 formats.
  • HDCP / CEC Support: HDCP 1.3 Compliant, CEC Compliant.
  • Video Bandwidth: Wide frequency 25MHz ~ 340Mhz.
  • Digital Video Support: HD:480i/ 480p/ 720p/ 1080i/p and 4K2K up to 36bit deep color
  • Video Inputs: 4x HDMI (HDMI or DVI digital source).
  • Audio Inputs: 4x AUX Audio ( Analog Stereo, AUX port. 3.5mm Jack).
  • Video Outputs: 4x HDMI :With Booster output 1080p up to ~98feet(35M) & 4K2K up to ~20M
  • Audio Outputs:
  • - 4 x HDMI :With Booster output 1080p up to ~98feet(35M) & 4K2K up to ~20M.
  • - 4 x S/PDIF : Multi Audio Formats 5.1 from HDMI or LPCM-2CH from Auxiliary audio.
  • - 4 x ARC : TV Return Channel Audio.
  • - 4 x HDMI : Multi Audio Formats 5.1 / 7.1, MAT(MLP),
  • - Dolby Digital, Dolby TrueHD,
  • - Dolby Digital Plus,
  • - DTS, DTS-ES 6CH,
  • - DTS-HD Master,
  • - PCM-2CH
  • Switch Controls:
  • - 1 x Select & Function buttons on front panel (Data status via LCM panel show out)
  • - 1 x IR Remote Controller (switch control)
  • - 1 x IR External port (switch control via 3.5mm OD Jack)
  • - 1 x RS 232 series interface (switch control)
  • - 1 x Ethernet series interface (switch control)
  • Function Control Keys:
  • ARC, AUX, ALL, OFF, RECALL, ENTER, MEMORY, LOCK, EDID, Destination button 1 thru 4, Source button 1 thru 4
  • EDID management:
  • Select Embedded EDID modes :
  • - Mode1: FSS
  • - Mode2: H24-3D
  • - Mode3: H24-3D-M
  • - Mode4: H36-3D
  • - Mode5: H36-3D-M
  • - Mode6: 4K2K-3D, PCM-2CH
  • - Mode7: DVI-D 1920x1200-60Hz
  • - Select LEARNING mode : Learning Destination EDID To Link Source.
  • Infrared Frequency: 38kHz
  • IR External Distance: 300 meters max
  • HDMI I/O Connector: HDMI Type A - SMD 19pin Female Type
  • Dimensions: 482L x 250W x 44H mm
  • Rack mount: 1RU high
  • Power Supply: 12V dc 3A
  • Weight: 2.85kg
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.