Proel DIRECT100P – Passive DI Box

AED 190; AED 190
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PROEL DIRECT100P Passive DI Box

The PROEL DIRECT100P is a professional single-channel passive direct injection box designed for connecting instruments and line-level sources to balanced microphone inputs. It converts an unbalanced 1/4-inch signal into a balanced XLR output, making it suitable for guitars, basses, keyboards, playback devices, stage systems, recording studios, and fixed audio installations.

A high-quality isolation transformer helps provide clean signal transfer and electrical isolation, while selectable 0 dB, -20 dB, and -40 dB PAD settings allow the DIRECT100P to handle a wide range of input levels. A ground-lift switch helps reduce hum caused by ground loops, and the rugged stackable aluminium enclosure is designed for dependable stage and studio use.

Key Features

Passive DI Design: Operates without batteries or external power, making it simple and reliable for stage and studio applications.
High-Quality Isolation Transformer: Provides balanced signal conversion with electrical isolation.
1/4-Inch Input: Accepts unbalanced instrument and compatible line-level signals.
1/4-Inch Link Output: Allows the original signal to be passed through to an amplifier or other compatible equipment.
Balanced XLR Output: Sends the converted signal to mixers, stage boxes, audio interfaces, and microphone preamps.
Three-Level PAD: Selectable 0 dB, -20 dB, and -40 dB attenuation accommodates low- and high-level sources.
Ground Lift Switch: Helps reduce hum and noise caused by ground-loop problems.
High Input Impedance: Greater than 250 kΩ input impedance supports instrument-level sources.
Rugged Aluminium Housing: Stackable enclosure is designed for regular professional use.

Specifications

Feature	Details
Product Name	PROEL DIRECT100P
Product Type	Single-Channel Passive Direct Injection Box
Series	PROEL 100 Series
Input	1 × 1/4-Inch Unbalanced Jack
Link Output	1 × 1/4-Inch Unbalanced Jack
Balanced Output	1 × Male XLR
Input Impedance	>250 kΩ
Maximum Input Level	+10 dBu at 0 dB PAD / +30 dBu at -20 dB PAD / +50 dBu at -40 dB PAD
Output Type	Transformer-Balanced, Isolated with Shielding
Insertion Loss	26 dB
Minimum Load Impedance	600 Ω or Greater
Frequency Response	40 Hz–20 kHz (-3 dB)
THD	<0.007% at 0 dBu, 50 Hz–20 kHz
PAD	0 / -20 / -40 dB
Ground Lift	Yes
Power Requirement	None – Passive Operation
Dimensions (W × H × D)	134 × 50 × 105 mm
Weight	Approximately 0.55 kg

Why Choose the PROEL DIRECT100P?

Simple Passive Operation: No batteries or phantom power are required.
Useful Signal Conversion: Converts unbalanced instrument signals to balanced XLR for professional audio systems.
Handles High-Level Sources: Dual PAD attenuation settings allow connection of a wide range of instruments and audio equipment.
Reduced Ground-Loop Noise: Ground-lift control helps address unwanted hum in complex setups.
Built for Professional Use: Rugged aluminium construction is suitable for live stages, studios, and fixed installations.

Reliable Passive DI for Stage and Studio

The PROEL DIRECT100P combines transformer isolation, flexible attenuation, balanced XLR output, signal linking, and ground-lift control in a compact passive design. It is suitable for guitars, basses, keyboards, playback devices, live sound systems, recording studios, rehearsal spaces, and professional AV installations.