Etymotic Research ER-4S vs KZ Vibe X [ChineseIEMs Sound Comparison 中華イヤホン音比較]

Etymotic Research ER-4S イヤホン IEMs KZ Vibe X 中華イヤホン Chinese IEMs REC Steinberg UR22C +PC 　　 MIC audio technica AT899 　 0:00 melody 0:30 drum 0:44 melody 1:43 drum 1:58 melody 4:11 drum 4:25 melody 5:24 drum Please subscribe this channel →    / tekitoucomp   チャンネル登録お願いいたします CATJAM Fasten Your Seatbelt (Catjam Swing Bootleg) Sound quality check of various speakers and devices   / catjamswing      • CATJAM Fasten Your Seatbelt (Catjam Swing ...   https://sites.google.com/view/tekitou...