Passive Direct Boxes

The Radial Pro DI is a high quality passive direct box that employs a proprietary transformer for both impedance conversion and isolation. The heart of the ProDI is a custom wound Radial transformer. It features ...

The Radial Pro D2 is a pro-quality compact stereo passive DI. Following in the footsteps of the JDI Duplex, the Radial Pro D2 is a high-quality compact passive 2-channel stereo direct box designed for keyboards, ...

As a four channel passive direct box that features four quality fully transformer isolated direct boxes in a 1U 19 inch rack mount chassis, the ART PDB4 is everything a musician or technician needs. The inputs and ...

The ART Tube MP/C Microphone Preamp / Compressor is a multi-purpose tool for audio engineering and recording. Two independent circuits featuring a tube-based analog preamplifier and a VCA-less compressor with ...

If you’re an electronic keyboard player, synth wizard, or sonic mad scientist that incorporates stereo sources into your performance setup, you want your audio signals to be pure, consistent, and clean. ...

The ART Zdirect is a high quality totally passive interface that lets you connect instrument, line, or speaker level signals to a mixer or other balanced input thru a high performance audio isolation transformer. ...

The Behringer Ultra-DI DI400P is a high-performance passive DI (Direct Injection) box for connecting a guitar, bass or keyboard directly to your mixer. With the DI400P as your go-between, impedance-matching ...

The Radial JDI Direct Box is considered by many to be the world's finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at ...

Perfect for converting unbalanced signals from stereo keyboards, acoustic guitar preamps, CD and tape players, computer sound cards, etc. The DIRECT2 combines features found on two of Whirlwind's DIRECTOR ® ...

Preserve your sound with the Sidekick Passive DI Box. Easily connect your guitar, bass, or keyboard directly to a mixing console! Featuring an isolation transformer, the Hosa SideKick transforms an ...

Mobile performers and DJs rely on this 2-channel passive direct box that converts unbalanced signals into balanced output for use with mixers, PAs, recording consoles and more. Connect your gear correctly and keep ...

The Behringer Ultra-DI DI600P is your solution for impedance matching between instrument and mixer plus it retains your signal integrity. The Ultra-DI DI600P is a passive DI (Direct Injection) box for connecting a ...

Keep the quality of your sound when converting it from an unbalanced to a balanced signal. Great for connecting your guitar to a mixer. This top of the line passive DI features a Jensen transformer renowned for ...

A compact stereo direct box designed to accommodate laptops and tablet computers, the Radial SB5 Laptop DI gives you the correct impedance to provide the best sounding audio when connecting your DJ software, ...

Known for their professional direct injection devices, the KLARK TEKNIK DI 20P PRO DI 2 offers the same high headroom, dynamic response and sonic clarity you have come to expect. DI 20P is ideal for interfacing ...

The Rolls DB24 Stereo Passive Direct Box is a two channel isolation device designed to connect high impedance devices to low impedance. The unit is completely passive, and utilizes Rolls proprietary audio ...

The CBI XLR Splitter with Ground Lift a great accessory to have for live and recording situations. A female XLR input and two male XLR outputs give the CBI Splitter the ability to split a mic signal to go to two ...

Without inducing noise, the Samson MD1 Pro Mono Passive Direct Box allows balanced lines to be sent from your instrument long distances to your mixer. The MD1 Pro combines premium sound circuitry with durable, ...

When it comes to high-quality audio, it’s all about a clean, pure signal. And when Mackie get involved, we know it's going to be good - after all, they live and breathe sound.  Introducing the MDB-1P, ...

The DI 22P PRO DI AV 2 combines many of the outstanding features of the DI 20P and DI 10P direct boxes into one powerful tool that should be in every audio engineers kit. The extremely versatile DI 22P accepts ...