Pricing and availability
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Price
Average Price: $498
High-end/Boutique
$119
$300+
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Price History
Based on price data from 3 merchants for "Pro Co DB-4 Direct Box". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Transform your sound setup with the ProCo DB-4 Direct Box, a 4-channel professional-quality passive solution that bridges the gap between unbalanced musical instruments and low-Z balanced microphone inputs. Whether you're configuring a PA system or setting up for recording sessions, this direct box is designed to deliver pristine audio quality with minimal hassle.
Each of the four channels is equipped with a front-panel and dual rear-panel 1/4" jacks, allowing for flexible input or parallel output configurations. This thoughtful design ensures that you can connect a variety of musical instruments and line-level sources seamlessly. The front-panel male XLR outputs offer reliable, balanced audio transfer, reducing noise and preserving the integrity of your sound.
The ProCo DB-4 is built with rugged construction to withstand the demands of both studio and live performance environments. Its Pro Co DBT1 transformers are engineered to ensure optimal signal integrity, providing a 20k/150 ohm balance that is crucial for maintaining clarity and punch in your audio. Additionally, each channel features switches for line-level attenuation and ground lift, giving you greater control over your sound and eliminating unwanted hums or buzzes in challenging environments.
Ideal for musicians and audio engineers who require a robust and versatile direct box, the ProCo DB-4 is a reliable companion for any audio setup.
Key Features:
- 4-channel professional-quality passive direct box
- Connects unbalanced instruments and line-level sources to low-Z balanced microphone inputs
- 1 front-panel and 2 rear-panel 1/4" jacks per channel for input/parallel output
- Front-panel male XLR outputs for each channel
- Pro Co DBT1 transformers with 20k/150 ohm balance
- Line-level attenuation and ground lift switches on each channel
Reviews
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Artist usage
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According to Guitar Geek's rig diagram, Adrian uses a ProCo Rack D.I.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Pro Co DB-4 Direct Box, it is most commonly used with the following gear.
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