(2) THAT'S CD IF 54 Minute SUONO FORMAT BLANK Audio CASSETTE TAPES SEALED NOS
2x That's CD/IF Suono format Type I Normal Bias Audio Cassette tapes in 54 MINUTES Length. These are made by Taiyo Yuden and are top of line Type I tapes. Comparable to tapes like the TDK AR-X, Sony HF-ES, Denon DX-4, etc.