The SM57 is a cardiod (unidirectional) dynamic microphone with a contoured frequency response of 40 to 15,000 Hz, perfect for clean reproduction of vocals and instruments.
Quality: DON'T DROP THIS MIC ON IT'S CARTRIDGE. THIS IS A "PROBE" STYLE MIC AS COMPARED TO A "BALL" STYLE. PROBE MICS ARE FAR MORE DELICATE AND WILL TAKE FEWER DROPS TO THE FLOOR BEFORE IT'S READY FOR THE TRASHCAN.
Desirability: IT'S A GOOD ALL AROUND MIC, FAR FROM THE BEST BUT YOU GET WHAT YOU PAY FOR.
Sound: THIS IS A GOOD "INEXPENSIVE" MIC. IT SHINES AS AN INSTRUMENT MIC SUCH AS SNARE DRUM,ELECTRIC GUITAR IN "LIVE" APPLICATIONS. SOME FOLKS USE THEM IN THE STUDIO,ALTHOUGH THERE ARE MANY MORE BETTER AND EXPENSIVE MICS THAT WILL FAR OUTPERFORM THE SM57 IN STUDIO APPLICATIONS. FOR THOSE ON A LIMITED BUDGET THE SM57 WILL DO. IF YOU INTEND TO USE THE SM57 FOR VOCALS INVEST IN A SHURE SM57 WINDSCREEN OTHERWISE THE POPPING SOUNDS WILL RUIN YOUR PERFORMANCE.