ULTRA-DI DI100 With the ULTRA-DI DI100, you can rest assured that your sound source will reach the console balanced and noise-free. The ultra-versatile DI100 active DI (Direct Injection) box gives you unparalleled functionality, durability and sound at a truly remarkable price. Put the ULTRA-DI DI100 in your signal chain today and discover the authentic sound of your instrument. Be Direct Plug into the DI100’s balanced ¼ " TRS or XLR Input, then send a signal to your console via the balanced XLR output. You can even plug your guitar or bass amp’s speaker output into the DI100, which can handle ratings of up to 3,000 Watts and still deliver a perfect signal. It also features a ¼ " LINK jack to send your signal to an on-stage amplifier. The DI100 is equipped to handle “hot” signals, thanks to its switchable built-in attenuation pad for input levels of up to +50 dB. Also included is a superior ground-lift switch to eliminate ground loop issues. The DI100 also features our highly-acclaimed OT-1 output transformer for the most pristine signal transfer.