Passive A/V Direct Box - Inputs are RCA, 3.5 mm and Output is Locking Male 3 pin XLR, Ground Lift & -20db Pad. The 370DI is a durable, pocket size, Direct Box which is a cross between Switch craft’s SC700CT DI Box and 318 Inline Audio Adapter. The 370DI sums and converts the unbalanced stereo outputs of cell phones, tablets, laptops and consumer gear to a balanced mono line level for connecting to audio consoles and house sound systems. AudioStix are the newest additions to our expanding line of premium pro audio products. They can be used as stand-alone adapters, rear mounted into our modular QGPK Series rack panels, or permanently installed into any number of custom racks and wall plates. AudioStix are made in the USA.