NiTRO-X Over-ear is awarded "Highly Recommended" by the magazine Sound & Image in their comparison test of 7 affordable noise-cancelling headphones.
"NiTRO-X were the only headphones that we actually continued to walk around and listen to after we finished writing about them" Audio and Image April 9, 2020.
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SUPRA NERO-TX2 named "Best in Test 9.9/10" by Konsumentvalet
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