PROEL D10P Passive Direct Injection Box 1/4 Inch Jack

The PROEL D10P Passive Direct Injection Box is a professional-grade audio solution designed to connect high-impedance, unbalanced sources to a mixer's low-impedance, balanced input. As a fully passive unit, it requires no external power, such as phantom power or batteries, ensuring reliable operation in any setting. The built-in transformer provides full galvanic isolation, which effectively eliminates ground loops and cancels common-mode noise like hum, delivering a clean and interference-free signal path.

The D10P features a 1/4 inch unbalanced input and a link output for daisy-chaining multiple signals, while the balanced XLR-M output ensures a secure connection to mixing consoles. With a high input impedance of over 250k Ohms (without PAD) and a maximum input level of +20dBu, it handles a wide range of instruments and line-level sources. The switchable PAD (-20dB) and GND LIFT controls offer flexibility to match various signal levels and prevent ground-related hums.

Key Specifications

• Signal Type: Passive
• Input Connector: 1 x 1/4 inch Jack (unbalanced)
• Link Connector: 1 x 1/4 inch Jack (unbalanced)
• Output Connector: XLR-M (balanced)
• Input Impedance: Greater than 250k Ohms (no PAD) / 10k Ohms (with PAD)
• Max Input Level: +20dBu (no PAD) / +40dBu (with PAD)
• Max Output Level: 0dBu
• Distortion: THD+N 0dBu
• Frequency Response: 10Hz to 100kHz (-3dB)
• Insertion Loss: -20dB
• Controls: PAD -20dB, GND LIFT
• Dimensions (WxHxD): 160 x 52 x 106mm
• Weight: 0.51kg

Whether on stage, in the studio, or during live performances, the PROEL D10P offers a robust and dependable interface for keyboards, guitars, effects processors, and other unbalanced audio gear.