Mic Test: Shure SM57 vs Beta 57A (guitar cab) - YouTube
Shure BETA SM57A - Best MIC EVER! in 4k UHD - YouTube
Amazon.com: Shure BETA 57A Instrument Microphone - Supercardioid Dynamic Mic for Vocal and Instrumental Applications with High Output Neodymium Element, Durable Steel Mesh Grille and Shock Mount : Musical Instruments
Shure Beta 57A — Studiocare
BETA 57A - Dynamic Instrument Microphone - Shure USA