Adaptor: 1/4 in TRS to 3.5 mm TRS.Connector: 1/4 in TRS to 3.5 mm TRS There are no excuses allowed when you're onstage or in the studio, that's why you need adapters you can depend on. And you don't want to pay an arm and a leg for them. That's why you need Hosa adapters. We're talking durability, performance, and value. You won't find another adapter that offers better quality for the price. Whatever you're hooking together, you need incredible adapters, cables, and snakes, and Hosa has them!