FORMALLY INTRODUCES SUITE OF MICS USED BY ELVIS COSTELLO, BRANDI CARLILE, SARA BAREILLES, CHRISTIAN MCBRIDE, AND MORE BOOTH #14117 Ear Trumpet Labs (ETL), a boutique microphone company trusted by over 20+ GRAMMY-winning artists, announces their first exhibition at NAMM and a new product unveiling. Handcrafted by a small team of six artisans in Portland, Oregon, the microphones are known for their exceptional sound quality and vintage-inspired design. On stages worldwide, thei