The TMX88PRO AV is a professional 8×8 HDMI 2.0 HDBaseT matrix switcher. The matrix is an eight-input by eight-output HDBaseT and HDMI matrix with HDCP 2.2 and up to 4K/UHD@60Hz video support. It transmits 4K video to distances up to 40 meters and 1080p video to distances up to 70 meters over a single CATx Ethernet cable.



  • 8×8 HDBaseT matrix switcher with built in audio matrix.
  • Fully compliant with the HDMI 2.0 and HDCP 2.2.
  • Supports HDMI resolutions up to 4K@60Hz 4:4:4, HDR10.
  • Features eight mirrored HDMI outputs for eight HDBaseT outputs
  • The eight HDBaseT outputs support 24V PoC, allowing the receivers to draw their power from the matrix switcher over the HDBaseT cable.
  • Transmits a 4K signal up to 40 meters and a 1080p signal up to 70 meters over a single CATx Ethernet cable.
  • Volume adjustment for analog L+R audio
  • Supports comprehensive EDID management and advanced HDCP management.
  • CEC Control.
Video Input
Input(8) HDMI
Input Connector(8) Type-A female HDMI
HDMI Input ResolutionUp to 4Kx2K@60Hz 4:4:4, HDR10,1080p 3D
Video Output
Output(8) HDBaseT, (8) HDMI
Output Connector(8) RJ45, (8) Type-A female HDMI
HDMI Output Resolution

Up to 4Kx2K@60Hz 4:4:4, HDR10, 1080p 3D.

Supports 4K to 1080p down-scaling.

HDBaseT Output ResolutionUp to 4Kx2K@60Hz 4:2:0
Audio Output
Output(8) Stereo analog L+R audio, (8) Digital SPDIF audio
Output Connector(8) 3-pin terminal blocks, (8) Toslink connectors
Analog L+R Audio FormatSupports PCM
Digital SPDIF Audio FormatSupports PCM, Dolby Digital, DTS, DTS-HD
Local Audio Sampling RateSupports 44.1KHz, 48KHz, 96KHz
ARC Audio Sampling RateSupports 48KHz, 96KHz
Frequency Response20Hz – 20KHz, ±3dB
Audio Output Impedance70Ohms
Max Input Level

L+R: 2.0Vrms ± 0.5dB. 2V = 16dB headroom above -10dBV (316mV) nominal consumer line level signal.


THD+N< 0.05% (-80dB), 20Hz – 20KHz bandwidth, 1KHz sine at 0dBFS level (or max level).

L+R: > 80dB, 20Hz – 20KHz bandwidth.

SPDIF: > 90dB, 20Hz-20 kHz bandwidth.

Crosstalk Isolation

SPDIF: < -70 dB, 10KHz sine at 0dBFS level (or max level before clipping).

L+R: < -80 dB, 10KHz sine at 0dBFS level (or max level before clipping).

L-R Level DeviationL+R: < 0.3dB, 1KHz sine at 0dBFS level (or max level before clipping).
Frequency Response Deviation< ± 0.5dB 20Hz – 20KHz.
Output Load CapabilityL+R: 1KΩ and higher (Supports 10x paralleled 10KΩ loads).
Stereo Channel Separation>70dB@1KHz.
Noise LevelL+R: -80dB; SPDIF: -90dB
Control Part
Control port(8) IR IN, (1) IR ALL IN, (8) IR OUT, (1) IR ALL OUT, (1) IR REC, (9) RS232, (1) FIRWARE, (1) TCP/IP
Control Connector(19) 3.5mm jacks, (9) 3-pin terminal blocks, (1) Type-A USB, (1) RJ45
Transmission ModeHDBaseT
Transmission Distance

1080p ≤ 230 feet (70 meters),

4K@60Hz ≤ 131 feet (40 meters)

Operation Temperature-5℃ ~ +55℃
Storage Temperature-25℃ ~ +70℃
Relative Humidity10% ~ 90%
External Power Supply100V~240V AC, 50/60Hz
Power Consumption125W (Max)
Dimension (W*H*D)436.6mm x 88mm x 440mm
Net Weight5.8kg
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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