PROEL Active Direct Injection Box
PROEL active DI box with transformer isolation. Eliminates ground loops and hum with 0dB insertion loss. Requires +48V phantom power.
The PROEL Active Direct Injection Box is a professional audio device equipped with an internal transformer, requiring +48V phantom power to operate. The inclusion of a transformer offers a significant advantage by avoiding any direct electrical connection between the sound source and the mixing console. This isolation provides two major benefits: the complete elimination of ground loops and the effective cancellation of common-mode noise, such as electrical hum.
Furthermore, the active design of this DI box provides distinct advantages over passive alternatives. You get null insertion loss, ensuring your signal strength is maintained without degradation, alongside noticeably reduced output hum and noise for a cleaner audio signal.
Connectivity is versatile, featuring a combo input connector that accepts both XLR-F and 1/4" JACK unbalanced signals, alongside a 1/4" JACK unbalanced link output. The balanced XLR-M output ensures a clean feed to the mixer. Equipped with a -26 dB PAD switch for handling high-level inputs and a GND LIFT switch for troubleshooting ground issues, this unit is highly adaptable to any stage or studio environment. A power ON indicator provides visual confirmation of active operation.
Key Specifications
- Input Connectors: 1x COMBO XLR-F + 1/4" JACK unbalanced
- Link: 1x 1/4" JACK unbalanced
- Output Connector: XLR-M balanced
- Frequency Response: 10Hz to 100kHz (-6 dB)
- Controls: PAD -26 dB, GND LIFT
- Power Supply: Phantom Power +48 volts
- For connecting sound sources to mixing consoles
- For eliminating ground loops
- For cancelling common-mode noise and hum
- For live stage audio setups
- Input Connectors: 1x COMBO XLR-F + 1/4" JACK unbalanced
- Link Connector: 1x 1/4" JACK unbalanced
- Input Impedance: 1 Mohm (no PAD) / 47 Kohm (with PAD)
- Max Input Level: +16 dBu (no PAD) / +42 dBu (with PAD)
- Output Connector: XLR-M balanced
- Min Load Impedance: 600 Ohms or greater
- Output Type: Transformer Balanced (fully isolated)
- Max Output Level: +16 dBu
- Distortion (THD+N 0dBu): < 0.01 %
- Noise: < -112 dBu unweighted
- Frequency Response: 10Hz to 100kHz (-6 dB)
- Insertion Loss: 0dB
- Controls: PAD -26 dB, GND LIFT
- Indicators: Power ON
- Power Supply: Phantom Power +48 volts
- Chassis Dimensions (WxHxD): 160 x 52 x 106mm
- Product Height: 43 mm
- Product Width: 33 mm
- Product Depth: 15 mm
- Weight: 520 grams
- Output: Transformer Balanced (fully isolated)
- Output Level: +16dVu
- Dimensions (WxHxD): 160x52x106mm
- Range: PROEL - DP Series - Passive Direct Injection Boxes
- SVHC: To Be Advised
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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