TDK Life on Record Pro SM High Bias Audio Tape provides the highest possible level of performance. Pro SM cassettes capture signals with a specially formulated cobalt absorbed metal magnetic material that provides uniform frequency response across the spectrum for accurate audio preservation and reproduction.

TDK Audio Tapes have earned the respect of recording engineers, musicians and home recording enthusiasts by delivering the world's highest quality, most reliable cassettes. We utilize ultra-fine, high-sensitivity Super Finavinx metal magnetic particles to realize superlative audio fidelity.