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Best USB Switch for Your Setup: Choosing SH04, SV02, or SV04 for Office, Studio, and Workstations

Compare SH04, SV02, and SV04 USB switches to choose the best fit for your needs. Learn the key differences in speed, ports, and applications—whether for offices, creative studios, or professional workstations.

2025-09-24 ekl

HDMI^® Matrix Switch 412HN - 4x2 Smart Solution for HD Video Distribution

eKL 412HN HDMI^® 4x2 Matrix Switch lets you connect 4 HDMI^® sources to 2 displays with easy switching. It supports up to 4K@60Hz resolution, audio and video separation, and both optical and 3.5mm audio output. Widely used in conference rooms, surveillance centers, showrooms, and more.

2025-07-08 ekl

What Is a POE USB Extender?Why Choose the POE USB Extender HUA?

Learn what a POE USB extender is and how it delivers both USB data and power over a single Ethernet cable for long-distance transmission. It's ideal for security monitoring, remote teaching, and industrial control setups. With broad system compatibility and simple installation, it makes USB device deployment faster and more efficient.

2025-06-23 ekl

Differences, comparisons and applications of common audio interfaces

An audio interface is a device that connects audio equipment and acts as a bridge between analog and digital signals. Audio interfaces are typically used with front microphones, line-in, and a range of other input devices. According to the type of transmission signal, it can be divided into analog audio interface and digital audio interface.

2023-06-22 ekl

What are the advantages of optical fiber, coaxial, and Lotus on the motherboard audio interface? Which is better?

For users who need to transmit audio over long distances, optical fiber audio interfaces are better; for music enthusiasts, it is better to use coaxial audio interfaces at home, and for users who only have analog audio, Lotus analog audio interfaces are better

2021-02-01 ekL

Digital audio to analog audio converter DAN connection tutorial

How to convert digital audio to analog audio? Digital audio to analog audio converter DAN perfectly solves this problem, not only can convert coaxial/optical digital audio into analog L/R audio and 3.5mm audio, but also supports Dolby and DTS audio decoding .

2021-01-05 ekL

How to connect HDMI^® extender HKU200?

The HDMI^® single network cable extender HKU200 is based on a single CAT5/6 network cable transmission medium, which can extend audio, video, mouse and keyboard up to 200 meters; supports up to 1080P@60Hz resolution

2020-10-20 ekL

How to connect DVI fiber optic extender DF200?

Optical fiber extender DF200 supports 1080P@60Hz resolution; based on optical fiber transmission, it can extend up to 20 kilometers

2020-10-20 ekL