Maxell XLII 100-minute high-bias audio cassette tapes. They are Type II high-bias tapes, best for recording from digital sources like CDs. The formulation uses cobalt-doped ferric oxide (epitaxial) magnetic particles. They feature a "High Resonance-proof Cassette Mechanism" for wide dynamic range and low distortion. Each cassette provides 100 minutes of recording time and 150m/490ft of tape. The XLII series is regarded as an iconic and high-quality blank cassette option for audio enthusiasts.