Di Box

22 products

REDDI All-Tube Direct Box
A-Designs
An all-tube direct box featuring a 6N1P tube, custom Cinemag output transformer, and a circuit topology inspired by the Ampeg B-15 bass amplifier, delivering warmth and harmonic character to direct signals.
REDDI V2 Dual-Channel All-Tube Direct Box
A-Designs
A dual-channel, all-tube direct box featuring custom-wound CineMag transformers in a 2RU rack chassis, combining two independent REDDI channels inspired by the Ampeg B-15 circuit for bass, stereo keyboards, and synthesizers.
TDI Duo
AEA Ribbon Mics
An ultra-transparent stereo active DI box with a Fred Forssell JFET circuit and Lehle step-down transformer, delivering high-quality direct injection with ten-megohm input impedance and a ground-lift switch for noise-free performance.

$449.10
SCR-DI
Ampeg
The Ampeg SCR-DI Bass DI with Scrambler Bass Overdrive is a full-featured Ampeg preamp that delivers a wide range of tones. Classic Ampeg EQ with Ultra-Hi and Ultra-Lo filters combines with the distinctive grind of the Scrambler overdrive, plus extensive I/O for stage and studio.

$257
205L Direct Input
API Audio
200-Series DI module with high-impedance instrument input for guitar and bass. Features tone shaping (Thin/Fat), Bright switch, 20 dB pad, and transformer-coupled output capable of reaching professional line levels.

$695
505-DI Direct Input
API Audio
500 Series DI module for guitars, basses, and keyboards. Features 55 dB gain, Hi-Z front input, switchable 100K/400K load, passive two-band EQ (150 Hz / 8 kHz), BRIGHT switch, 20 dB pad, and transformer-coupled balanced output via API 2520/2510 op-amps.

$595
U5
Avalon Design
The Avalon U5 is a pure Class A, 100% discrete instrument preamplifier and DI box featuring a passive six-position tone selector, variable gain preamp, dual balanced XLR outputs, and a headphone monitor output, accommodating electric and acoustic guitars, bass, keyboards, and 400W speaker-level sources.

$936
PDI
BAE Audio
The BAE Audio PDI is a passive direct injection box featuring hand-wired construction and an OEP/Carnhill transformer. It converts instrument-level signals to balanced mic-level XLR output with a ground lift switch and a parallel through output.

$155
PDIS
BAE Audio
The BAE Audio PDIS is a passive stereo direct injection box with OEP/Carnhill transformers and hand-wired construction. It supports stereo or simultaneous dual mono operation with dual ground lift switches and Neutrik connectors throughout.

$260
db10
dbx
The dbx db10 is a passive direct injection box featuring a custom mu-metal-shielded transformer, gold-plated Neutrik XLR output, and a 3-way pad switch (0/20/40 dB) for handling instrument, line, and speaker-level signals. It provides transformer-isolated, balanced XLR output with a parallel thru jack for amp connection.
db12
dbx
The dbx db12 is a phantom-powered active direct injection box featuring a custom mu-metal-shielded transformer, gold-plated Neutrik XLR output, and a 3-way pad switch for handling instrument through speaker-level signals. A green LED phantom power indicator confirms active operation.
Di1
dbx
The dbx Di1 is a compact active direct injection box ideal for studios and live use, converting high-impedance instrument and line signals to balanced XLR output while rejecting noise. It operates on both +18V to +48V phantom power and a 9V battery, with ground lift, attenuation, and main/standby controls.
DI4
dbx
The dbx DI4 is a 4-channel active direct box and stereo line mixer in a half-rack unit, providing four independent DI channels with individual XLR outputs plus a stereo line mixer output. Per-channel pad switches, ground lift, volume, and pan controls allow keyboards and modules to be routed to both FOH and monitors independently.
DJDI
dbx
The dbx DJDI is a 2-channel passive direct box designed specifically for DJ and line-level sources, converting unbalanced signals to balanced XLR outputs across a wide range of signal levels. A continuously variable input attenuator, transformer isolation, and ground lift switch ensure clean, interference-free output.

$43
MDB-1A
Mackie
Great for active instruments like guitars and basses with active pickups and preamps, the MDB-1A Active DI features increased headroom and distortion-free operation. Featuring a 1/4" high-impedance input and thru with -20db pad plus a Merge switch that turns the Thru jack into a second input, perfect for summing a stereo source to a mono output.

$79.99
MDB-1P
Mackie
An essential tool for every musician and engineer, the MDB-1P Passive DI has everything you need to adapt unbalanced, high-impedance audio to a balanced, low-impedance output with minimal noise. Featuring a 1/4" high-impedance input and thru with -15db pad and a balanced XLR output with ground lift.

$69.99
MDB-2P
Mackie
Mackie MDB-2P Passive Stereo Direct Box for clean stereo audio from keyboards, synthesizers, and other high-impedance sources.

$79.99
MDB-USB
Mackie
With the bus-powered MDB-USB Stereo DI, the days of relying on your headphone jack to get audio from a computer into analog gear are over. Combining a high-resolution audio interface with a noise and distortion-free stereo DI, MDB-USB converts your digital audio into clean, balanced, stereo output.

$169.99
RNDI
Rupert Neve Designs
Active transformer direct interface (DI) box with a custom Rupert Neve-designed output transformer and class-A discrete FET input stage, designed to deliver a powerful, vibrant direct sound that captures the full harmonic depth of basses, guitars, acoustic instruments, and pre-recorded material.

$369
RNDI-8
Rupert Neve Designs
Eight channels of the superb-sounding RNDI in one rack space, designed for high-end stage rigs, studios, and synth enthusiasts. Combines custom-wound output transformers and Class-A discrete FET input stages to deliver clarity and harmonic depth across instrument-level sources.

$1,999
RNDI-M
Rupert Neve Designs
Compact, pedalboard-friendly active transformer direct interface that brings the tone and clarity of the original RNDI to a single-channel, stompbox-sized format. Built around a custom Rupert Neve Designs transformer and a discrete Class-A FET input stage in a rugged solid-steel chassis, with a 2.2 Megohm high-impedance input, ground lift switch, and passive 1/4" THRU output. Operates from 48V phantom power.

$189
RNDI-S
Rupert Neve Designs
Stereo Active Transformer Direct Interface featuring custom Rupert Neve-designed output transformers and class-A, discrete FET input stages. An expanded two-channel direct interface designed to deliver powerful, vibrant direct sound for stereo and mono sources including instruments, pre-recorded material, and consumer devices. Powered by dual 48V phantom power with rugged steel frame built for touring.

$609

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