The Shure Model 545S (1975) unidirectional dynamic microphone
Amazon.com: Shure 545SD-LC Cardioid Dynamic High or Low Z On-Off Switch : Musical Instruments
Amazon.com: SUNMON Microphone Furry Windscreen Compatible with Shure A2WS,Muff Windshield Windjammer Deadcat for SM57 and 545 Series : Musical Instruments
The Shure 545SD Unidyne III - Obscure Dynamic Microphone Demo Review - YouTube
Why Shure's own 545 palindromic mic beats the SM57 nowadays by Allan Tépper - ProVideo Coalition
Review: Shure 545SD – Daddy's Home – Kitarablogi.com – Finland's premier Guitar and Bass blog
MIicrophone of the month October 2014_ Shure 454 Unidyne III
Shure 545SD-LC Dual Impedance Unidirectional Microphone without Cable