The training magazine MAX power tested our Supra NiTRO-X2 and give them a rating of 5 out of 5. They would like to claim that the headphones are the best in class when it comes to sound quality.
"Such a clear, detailed and crisp sound image and with a bass that you really feel in your chest, I was not at all prepared for. In fact, NiTRO-X2 plays the shirt of most hoods…”
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Sound by Sweden – Headphones of the Highest Quality
"We love the headphones from Sound by Sweden.Here, premium materials meet innovative technology, and the result is something you can hear! Sound by Sweden has many years of experience in developing...
Testproffs gives Sound by Sweden a rating of 9.5/10!
Testproffs tested our NiTRO-X and NERO-TX PRO, describing them as their new favorite earbuds and giving them a rating of 9.5/10! "Sound by Sweden has long experience in developing premium products ...
NERO-TX PRO named "Best in test" by Konsumetvalet
The consumer choice has done a test of the best in-ear headphones on the market, where the NERO-TX PRO landed in first place with a 10/10 rating and received the award "Best in test". “Fantastic ...
Techsajten names ZERO-TX as "Best budget choice"
The tech site have done a big test on True Wireless headphones where they tested the ZERO-TX, among other things and awarded them with the "Best budget choice" award. “They sound like they would ...
