The ULTRA-DI PRO DI4000 gives you 4 first-class DI channels in a single rack space. Each channel is equipped with two Inputs (XLR and ¼ " TRS), a balanced XLR Output – and a ¼ " Link output to connect to your amp or monitor console. Plus, the DI4000 is designed to accommodate virtually any input signal, up to 40 dB of switchable input attenuation and up to 20 dB of gain, while our highly-acclaimed OT-1 output transformers ensure pristine and powerful output. • Professional and multi-purpose 4-channel direct injection box for stage and studio applications • Provides impedance and signal matching for the direct connection of instruments to mixers and amplifiers • Ultra-flat frequency response due to renowned BEHRINGER OT-1 transformers • Allows direct connection to speaker outputs with up to 3,000 Watts • +20 dB gain switch for preamplification of low-level signals • Switchable input attenuation allows input levels of up to +40 dB • Phase Reverse switch allows you to instantly correct phase problems • Switchable High-cut filter (8 kHz) for guitar applications • Ground Lift switch eliminates typical ground loop problems • Accurate 8-segment LED level meter for optimum performance • 1/4" TRS and gold-plated XLR connectors • Illuminated switches enable perfect operation in dark stage environments • Designed and engineered in Germany