8x9 Ultra HD switcher is a HDMI matrix with 8 inputs and 9 outputs. It is a high-performance broadband intelligent matrix switch device specially designed for the transmission and switching of high-resolution HDMI digital image and audio signals of computers. It can select one or more channels of multiple input signals and output them to one or more display devices.
Equipped with RS232 and RJ45 communication interfaces, it is convenient for the coordination of central control and WEB.

product-839-178

Features

8-channel HDMI signal input, 9-channel HDMI signal output, cross switching;
Support 4K30 backward compatibility;
Automatic equalization of long-line input-ensure that each input can be independently and automatically compensated for the signal loss caused by long-distance transmission or the use of low-quality wires;
Under ideal conditions, the input distance supports 20 meters and the output distance reaches 20 meters under 1080P signal.
Support Blu-ray DVD24/50/60fs/HD-DVD/xvYCC.
Support audio formats DTS-HD/Dolby-trueHD/LPCM7.1/DTS/DOLBY-AC3/DSD.
Support HDMI 1.4, HDCP 2.0, HDCP 1.4, and DVI 1.0 protocols. Supports high color depth and up to 10Gbps rate;
HDCP compatible - ensures that content-protected media can be displayed normally and used in conjunction with other HDCP-compatible devices;
Full SMD process, unique ESD electrostatic protection function;
This product has power-off on-site switching memory protection;
Supports PC-side WEB control, mobile app, and central control
Supports one-way 3.5mm audio de-embedding (follow the first output)
Supports control of third-party devices in web software
8 input and 9 output ports, support independent EDID

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Specification

Number of input interfaces	8
Number of output interfaces	9
Interface bandwidth	10Gbps
Serial control interface	RS-232, 9-pin female D-type interface
Baud rate and protocol	Baud rate	data bits	stop bits
	9600	8 bits	1, no parity bit
Serial control port structure	2 = TX, 3 = RX, 5 = GND
Protocol	Support HDCP1.3 protocol, support HDMI1.3 protocol, support HDMI1.4 protocol, compatible with DVI1.0 protocol;
Power supply	100VAC ~ 240VAC, 50/60 Hz, international adaptive power supply
Storage and use temperature	0°～ +50°C
Storage and use humidity	20% ～70%
Chassis size	1U
Product weight	2Kg
Dimensions	482L x 288W x 44H
Average time between failures	30,000 hours
Warranty	1 year free warranty, lifetime maintenance

Question: What is the typical maximum resolution and refresh rate supported by a HDMI Switcher 120HZ?

Answer: Most 120Hz HDMI Switchers are designed to support 4K@120Hz (3840x2160) or 1440p@120Hz (2560x1440), which is the sweet spot for high-frame-rate gaming (e.g., PS5, Xbox Series X) and video streaming. Some premium models may also handle 8K@60Hz, but the core value lies in maintaining 120Hz for ultra-smooth motion—critical for fast-paced content.

Question: How does a HDMI Switcher 120HZ differ from a standard 60Hz HDMI Switcher in real-world use?

Answer: A 120Hz HDMI Switcher preserves high refresh rates when switching between devices, whereas standard 60Hz switchers often cap output at 60Hz. For gamers or content creators, this means no stutter, lag, or loss of responsiveness in 120Hz-supported games (e.g., Cyberpunk 2077 with ray tracing) or 120fps video. Standard switchers would "downgrade" the signal, ruining the 120Hz experience.

Question: What are the key compatibility requirements for a HDMI Switcher 120HZ to work properly?

Answer: To ensure seamless 120Hz performance, check these factors:

HDMI Version: Must support HDMI 2.1 (the only version capable of 4K@120Hz bandwidth).

Cables: Use certified high-speed HDMI 2.1 cables (e.g., Belkin Ultra High Speed) to avoid signal degradation.

Devices: Both input (game consoles, PCs) and output (TVs, monitors) must natively support 120Hz at the desired resolution.

HDCP: Ensure the switcher uses HDCP 2.3 or higher to avoid copy-protection errors with streaming services (e.g., Netflix 4K).

These questions address common user concerns about performance, use cases, and setup—perfect for anyone researching 120Hz HDMI Switchers!