MAXELL XLII 110-minute Audio Cassette Tape (4 Pack) (Discontinued by Manufacturer) 110 minutes of total recording means 55 minutes per side (which is the average length of a popular CD) so this allows you to get up to 2 CDs on one 1 cassette Ideal for recording CDs, prerecorded cassettes, and other digital sources Formulated to provide higher output and wider dynamic range to offer superior results in high-performance home, portable, and car stereo systems Recorder must have a selectable switch for high-bias recording tape