Read More › The Versatile K4, Wood&Steel Summer 2004 - “Taylor’s premier audio electronic device, the K4 preamp/equalizer, was engineered from the ground up for guitar applications, but it also was designed for versatility. As a new user, I’ve marveled at the times the K4 has pulled me through sticky situations out there in the real world; it’s gotten me a good guitar sound in circumstances where I might not have gotten any sound at all."”