8X8 4K 60Hz 18Gbps HDMI and Audio Matrix Switcher with Downscaling/AOC Support

MSRP: $2,299.00

MSRP $2299.00


The BG-UHD-88M18G is a professional HDMI2.0 Matrix Switcher with Audio Matrix. It includes eight HDMI inputs and eight HDMI outputs with down-scaling.  This unit is designed for switching HDMI2.0 and HDCP2.3 compliant signals. It also features SPDIF and analog audio outputs for audio matrix functionality. Additionally, it features comprehensive EDID management and advanced HDCP handing to ensure maximum compatibility with a wide range of video sources. The matrix switcher not only supports bi-directional IR, RS232 extension but also has IR, RS232, and TCP/IP control options.

  • 8x8 HDMI 2.0 Matrix Switcher
  • Supports 4K/60 4:4:4, HDR, HDCP2.3 compliant
  • Audio Matrix, audio out can be de-embedded from arbitrary input or output
  • Individual volume adjustment on each L+R output
  • Supports 4K to 1080p down-scaling up to 4 outputs
  • HDMI out provides 2.5W to power Active Optical Cable (AOC)
  • HDMI Output support up to 5V500mA for AOC cable
  • Controllable by front panel, IR, RS232 and TCP/IP

Video Input (8) HDMI
Input Connector (8) Type-A female HDMI
HDMI Input Resolution Up to [email protected] 4:4:4, HDR
Video Output (8) HDMI
Output Connector (8) Type-A female HDMI
HDMI Output Resolution Up to [email protected] 4:4:4, HDR10 and Dolby Vision
HDMI Output Supports up to 5V500mA for AoC cable
HDMI Version Up to 2.0
HDCP Version Up to 2.3
HDMI Audio Signal LPCM 7.1 audio, Dolby Atmos®, Dolby® TrueHD, Dolby Digital® Plus, DTS:X™, and DTS-HD® Master Audio™ pass-through.
Digital Audio Output
Output (8) Digital SPDIF audio
Output Connector (8) Toslink connector
Digital SPDIF Audio Format Supports PCM, Dolby Digital, DTS, DTS-HD
Frequency Response 20Hz – 20KHz,±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-20KHz bandwidth
Crosstalk Isolation < -70 dB, 10 kHz sine at 0 dBFS level (or max level before clipping)
Noise -90dB
Analog Audio Output
Output (8) Analog L/R Audio
Output Connector (8) L&R (RCA)
Digital SPDIF Audio Format PCM 2CH
Frequency Response 20 Hz to 20 kHz, ±1dB
Max Output Level 2.0Vrms ± 0.5dB. 2 V = 16 dB headroom above -10dBV (316 mV) nominal consumer line level signal
THD+N < 0.05%, 20 Hz – 20 kHz bandwidth, 1 kHz sine at 0dBFS level (or max level)
SNR > 80dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation < -80 dB, 10 kHz sine at 0dBFS level (or max level before clipping)
L-R level deviation < 0.05 dB, 1 kHz sine at 0dBFS level (or max level before clipping)
Output load capability 1k ohm and higher (supports 10x paralleled 10k ohm loads)
Noise -80dB
Control port (1) FIRWARE, (1) IR EYE, (1) RS232, (1) TCP/IP,
Control Connector (1) USB-A, (1) 3.5mm jack, (1) 3-pin terminal block, (1) RJ45
Transmission Distance 4K/60Hz/444 5m, 4K/60Hz/420 10m, 1080P 15m
Bandwidth 18Gbps
Operation Temperature -5°C ~ +55°C
Storage Temperature -25°C ~ +70°C
Relative Humidity 10% ~ 90%
External Power Supply Input: AC 100V~240V, 50/60Hz; Output: 24V DC 2.71A
Power Consumption 24W
Dimension (W*H*D) 436.4mm*44mm*236mm
Net Weight 3kg

Video Resolution Down-scaling: The product supports video resolution down-scaling, the 4K input can be automatically degraded to 1080p output for compatibility with 1080p display, shown in the below chart.

  Input Output
# Resolution Refresh Color Space Downscale 1080p Specs
1 3840x2160 60 4:4:4 Support [email protected] 4:4:4
2 3840x2160 30 4:4:4 Support [email protected] 4:4:4
3 3840x2160 24 4:4:4 Support [email protected] 4:4:4
4 3840x2160 60 4:2:0 Support [email protected] 4:4:4
5 3840x2160 30 4:2:0 Support [email protected] 4:4:4
6 3840x2160 24 4:2:0 Support [email protected] 4:4:4
7 3840x2160 60 4:2:2 Not Support N/A
8 3840x2160 30 4:2:2 Not Support N/A
9 3840x2160 24 4:2:2 Not Support N/A


Professional 4K HDR 8x8 HDMI Matrix Switcher Can Do It All | BG-UHD88M18G









Commitment to excellent service and delivering dependable products with efficiency is BZB Gear main staple and foundation.
Our main goal is to ensure your 100% complete satisfaction with our service and products!
If for any reasons you are dissatisfied with your purchase, you can return it back to BZB Gear within 60 days of purchase date for a full refund.


Package Contents
① 1xBG-UHD-88M18G
② 6xScrews
③ 1xRS232 cable (3-pin to DB9)
④ 1xIR remote
⑤ 1xUser manual
⑥ 2xMounting ears
⑦ 4xPlastic cushions
⑧ 1xIR receiver
⑨ 1xPower adaptor (DC 24V 2.71A)
Technical Support 7 Days a week*
BZBGEAR offers exceptional Technical Support and Resources including Product
Manuals, Videos, FAQ’s and an extensive Knowledge Base section.
*Weekends/Holidays by appointment only
Products With
Ultimate Confidence


AV Products - Stress Free 3-year Warranty.

Cameras & related products - Stress Free 5-Year Warranty.

Technical Support

Contact our technology experts 5-days a week by Chat, Email or Phone.

(Support is available on Saturday and Sunday by appointment only).

Free Shipping

Ground shipping - Always free!

Expedited / Overnight shipping is available until 3:30pm PST.