Products Artists Blog Company Direct Box Direct boxes provide an interface that connects instruments and playback devices to pro audio devices such as PA systems, mixing consoles, or recording interfaces. They typically accept unbalanced high impedance signals and convert them to balanced, low impedance outputs that can be run for long distances without signal degradation. Links Comparing Direct Boxes DI Basics DI Questions Passive DI Passive DI boxes require no power to operate and can handle high signal levels with ease. These are typically preferred by musicians with active instruments like a portable keyboard. See all Active DI Active DIs employ buffers and require power to operate, and are typically preferred by musicians with passive instruments and acoustic guitars. See all Digital DI These devices take digital audio inputs and provide high quality analog outputs for connection to professional recording equipment. Audio over USB, Bluetooth, or the Dante network protocol are all supported. See all Amp DI Connect directly to the output of your amplifier to impart the tone of the amp on the direct track, or bypass the speaker cabinet entirely with the Headload load box. See all Multimedia DI With multiple input connector types, these DI boxes allow you to easily interface with a variety of devices including small format mixers, media players, tablets and smartphones. See all Instrument Preamp Combination preamp/DI boxes give you more control over the tone of your instrument, along with the ability to select between two instruments or quickly mute before tuning. See all Rackmount DI Multi-channel rackmount DI boxes are ideally suited for touring or studio use, with a number of channels in a single rack space. See all Tube DI Tube DI boxes utilize vacuum tubes for vintage inspired analog warmth and character. See all Company Contact Careers History Artist Relations Client List Support Technical Support Product Questions Radial Warranty Quick Links DI Basics DI Questions Radial Family Primacoustic Jensen Transformers Stay in Touch SUBMIT Privacy Policy © 2021 Radial Engineering. All Rights Reserved.