Gold Line is a leading manufacturer of audio test equipment and 24-bit digital equalizers, under various trade names including Loft, Gold Line and TEF. Founded in 1961 by Martin Miller, President and CEO, the company has a long history of developing cost effective cutting edge measurement equipment.

With the new STI-CIS intelligibility measurement, Gold Line continues to uphold it's long history as innovators of products that improve the quality of people's lives. Gold Line products are designed and manufactured in the USA. Markertek is your source for Goldline products.

Markertek is an authorized dealer for the entire Gold Line line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.