The ultimate mic pre for recording guitar. Designed and Manufactured in Los Angeles, California U.S.A. Install a 440 mic pre into any 500 series compatible chassis. Have legendary tone and integrate post effects pedals into your signal chain with ease. From the legendary Cinemag input and output transformers to the high performance hybrid-discrete opamps, our engineers carefully made every design decision with the highest sonic performance in mind. Designed as the ultimate mic preamp for recording guitar. Install into your 500 series lunchbox and connect your post effects pedals to the loop. Your guitar & amp will love it.