Koopman is comprised of a team of tech enthusiasts who have a shared love for the finer details and utility that great products have to offer. We have been manufacturing and selling our very own original electronic accessories on online platforms like Amazon since 2010. 

At Koopman, it is our ambition to always bring customers the best products for the lowest prices. Alongside that, we also wish always to provide a shopping experience where the customer service is second to none.

We are constantly looking to further develop and expand our product lineup in order to bring you the freshest, most practical, useful next generation tech accessories to enhance and elevate your technological experience.

It is for that reason that we would like to invite you to join our Testing & Review Program!

We are always looking to offer our newly released products to users who are willing to participate in the program. After receiving and reviewing the feedback, we make the changes accordingly.

This helps us make the best products possible, and also provide a great customer experience. Most importantly, however, it gives us a great market response which we are then able to use to create amazing products for the future as well!

New released items:

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#01 5 ports HDMI Switch

4K60Hz HDR HDMI switch
5 in 1 out HDMI Selector
HDMI 2.0b HDMI switcher

#02 4 ports HDMI switch(ITE)

4K60Hz HDR HDMI switch
4 in 1 out HDMI Selector
HDMI 2.0b HDMI switcher

#03 3 ports HDMI Switch

HDMI 2.0 Switch/
HDMI Switch 3 in 1 out/
4K HDMI Switcher

#04 RCA to HDMI Converter

RCA to HDMI Adapter/
AV to HDMI Converter/
Composite video to HDMI Converter

#05 HDMI Switch Audio Extractor[7.1ch]

4K60Hz HDMI Switch Audio Extractor
HDMI Audio Extractor 7.1&5.1 CH 7.1 Channel Audio Extractor

#06 4 ports HDMI SWITCH

4K60Hz HDR HDMI switch
4 in 1 out HDMI Selector
HDMI 2.0b HDCP 2.2 HDMI switcher

#07 Component to HDMI Converter

Component to HDMI Converter box
YPbPr to HDMI Converter/
Component video HDMI Converter

#08 Optical Audio Splitter

Optical Splitter/
Spdif Splitter/
Toslink Optical Audio Splitter

Top & Laterst Reviews