Our Dynamic Master tab in cassettes uses advanced cobalt ferric mix for wide dynamic range and low noise. The Dynamic Master is the most sought-after standard bias formula for organizations that premium voice and music recording. Bulk loaded, without box, labels, or J card. 

Features:

• Type: 5 Screws Type I Normal Bias Master Audio Cassette
• Packaging: No case or label. Cassettes come in 25 pack boxes.

We do not accept the return of all the custom-loaded audio and videotapes. No technical data is available for reference, and we cannot guarantee a specific dB or frequency (Hz). We only purchase high-performance ferric oxide material formulated for demanding music applications. It meets all the requirements for music recordings.