ART Pro Audio dPDB Dual Passive Direct Box

Two high-quality passive DIs in a rugged steel chassis with switchable pad and ground-lift.
Route instrument or speaker-level signals into any mixer with rock-solid, transformer-isolated clarity using this dual passive direct box. Each channel provides 50 kΩ input impedance and a 600 Ω XLR output, plus switchable attenuation (0 dB, –20 dB, –40 dB) for hot or line-level sources. Ground-lift switches eliminate hum, and parallel link jacks let you feed an amp while sending a balanced feed to FOH. Built like a tank and road-tested for years, it sits flat on stage or rackmount trays without adding noise or coloration.
 
Condition:
Mint—straight from a lightly used studio. The steel chassis, switches, jacks, and transformer cores show no wear. Includes original foam wrap, box, instructions, and manual—all unfaded and complete.
 
Includes:
ART dPDB dual passive DI box
Original box with foam wrapping
Owner’s manual and instructions sheet
 
Features
Two independent passive DI channels in one enclosure
Switchable input attenuation: 0 dB, –20 dB, –40 dB
50 kΩ input & 50 kΩ parallel link jack per channel
600 Ω transformer-isolated XLR outputs
Switchable ground lift to eliminate hum
Frequency response: 10 Hz–50 kHz ±0.5 dB @ +4 dBu
 
Customer Review
“Exceeds expectations—treats my guitar and amp feeds with pristine clarity and dead-quiet noise floor.”
— ★★★★☆ J.R.
 
Frequently Asked Questions
Q: Can it handle speaker-level outputs?
A: Yes—use the –40 dB pad to safely DI speaker-amp outputs.
Q: Do I need power?
A: No—it’s fully passive and draws no external power.
Q: Will it ground-lift both channels?
A: Yes—each channel has its own switchable ground lift.
Q: How rugged is the chassis?
A: Built from 14-gauge steel, it withstands road abuse and button-mashing foot traffic.