Two Direct Box for Guitars, Keyboards, etc Model Number: SA-DI1 (2 Pack) Attenuator Switch: 0db, -20 db, -40db Instrument Input: 50K unbalanced TS jack Parallel (Link) Out: 50K unbalanced TS jack Balanced Output: 600 ohm Balanced XLR Jack Ground Left: Switchable Ground Lift Construction: Solid Steel Dimensions: 4.75" x 3" x 1.75" Recommended Uses Included All Live Sound Permanent Installations Clubs Church Practice PA Systems Monitor Systems Karaoke Systems DJ Systems This DI box enables the connection of any unbalanced audio signal, for an example an electric instrument or keyboard. This will also work from an amp speaker output to any unbalanced input such as a mixer. The parallel output allows simultaneous connection to two separate inputs, like an amplifier and mixer. This direct box will translate high impedance instrument outputs into low impedance balanced signals. or balanced low impedance signals into unbalanced outputs. This DI Box will convert unbalanced +10db DJ mixer signals to a balanced line level signal which will enable interfacing with consoles more easily and longer cable runs. The attenuator switch (0db, -20db, -40 db) makes correct output signal levels for optimum level matching to connected equipment possible. The switchable ground lift eliminates ground loop hum problems. Brand New One year Warranty This Direct Box has a ground left and attenuator switch. This DI box is recommended for all live sound and permanent installations. Great for clubs, churches, and even practice, Use the DI box with pa systems, monitor systems, karaoke or DJ systems.