Device Connectors: Offers a variety of DI solutions featuring 1/2 inch device connectors and detachable AC power cords for live recording applications. It allows you to easily connect keyboards, guitars and external signal processors Provides clear audio: For connecting unbalanced signals from source submixers, effects processors, and keyboards to the main PA or recording mixer. This impedance former also features hum and hum cancellation Connect inst ents with ease: Getting your inst ent signal to your PA system is even easier with this straight-forward box. Simply connect your electric bass, guitar, keyboard, or other processor to the Ground Lift Adapter and enjoy pristine, clean audio Multifunctional Direct Box: In addition to musical inst ents, the DI unit can also be connected to the line output of an audio box or consumer stereo system. Silencers are used to connect unbalanced equipment as well as color: Black material: plastic Package Contents: 1 x Molded Audio Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.