The Kopul Laptop One-Channel Direct Box is the ideal solution for seamless audio integration, whether you’re playing tracks from your phone through a PA system or sending signals from your DAW to a mixing console or recorder. Designed for versatility and reliability, this direct box transforms unbalanced stereo line-level signals from your laptop, tablet, or smartphone’s 3.5mm audio output into a balanced mono mic-level signal, ensuring clean and interference-free audio transmission.

With its balanced XLR output, this direct box provides a dependable connection to any mixing console, audio interface, or PA system. The mic-level circuitry in the Kopul 3.5mm Stereo to XLR Mono Adapter guarantees that your audio signal remains pristine, even during extended cable runs, free from RF interference that can degrade sound quality.

The direct box features a ground-lift switch to help eliminate unwanted hum and noise, making it easier to achieve a clear, professional sound. The volume knob allows for precise audio level adjustments, ensuring that your signal is at the perfect level for any situation. The passive design of this direct box means it operates without the need for a battery or external power supply, adding convenience and reliability to your setup.

Compact and portable, It’s small form factor ensures it can easily fit into your gear bag, instrument case, or even your pocket. Constructed from lightweight yet sturdy aluminum, it’s built to withstand the rigors of frequent use while maintaining a sleek and professional appearance.

Key Features:

Converts Unbalanced 3.5mm TRS Line-Level Stereo Signal to Balanced XLR Mic-Level Mono Signal: Ensures compatibility with professional audio equipment.
3.5mm TRS Male Input Connector & 3-Pin XLR Male Output Connector: Provides reliable connectivity.
Balanced XLR Output: Supports long cable runs without RF interference.
Adjustable Output Volume Knob: Allows precise control over audio levels.
Ground-Lift Switch: Helps to eliminate hum and unwanted noise.
Passive Design: No battery or power supply needed, offering convenience and reliability.
Compact Form Factor: Easily fits into gear bags, instrument cases, or pockets.
Durable Aluminum Case: Lightweight and built to endure frequent use.

• Specifications:-
• Item Type: Standard DI
• Number of Channels: Single-Channel
• Active/Passive: Passive
• Circuitry: Solid-State
• Ground Lift: Yes
• Gain/Trim Range: -20 to +0 dB
• Audio I/O:-
  1x 1/8" / 3.5 mm TRS Unbalanced Line Input (Shared with Front Panel)
  1x XLR 3-Pin Balanced Mic Output (Shared with Rear Panel)
• Frequency Response: 50 Hz to 20 kHz ±0.5 dB
• Total Harmonic Distortion/Noise: 0.02% (at 1 kHz, 0 dB)
• Dimensions: 4.25 x 1.1 x 0.9" / 10.79 x 2.8 x 2.3 cm
• Weight: 4.1 oz / 116 g