MXL 603S:. Suited for recording most instruments. Excels as overhead. Wide cardioid pattern approaching omni. 20mm gold-sputtered, 6-micron gold diaphragm. Satin silver finish with etched engravings. Mic clip included. Comes with carrying pouch. MXL 2003:. Versatile excellence: beautifully records vocals and most instruments. 1.06" (27mm) gold-sputtered, 3 micron density diaphragm. Balanced transformerless output. Bass Cut, -10dB pad. Durable brass enclosure. Comes with mic clip and zipper pouch.