Interspace PC Hum Eliminator Balance Box Stage Electrics

Interspace PCBB2 PC Hum Eliminater Balance Box

Item Code: 300-2476
Part Number: PCBB2

The Passive PC Balance Box is designed to eliminate hum when connecting audio from a presentation PC to a professional PA system. This device features a stereo 3.5mm input jack plug on a captive 1.8m lead and left and right output XLR plugs. It includes a stereo/mono switch, a 35dB pad switch, and earth isolation for enhanced sound quality.

Key Features:

  • Hum Elimination: Isolates and cleans up sound quality to eliminate buzz and hum from stereo PC sound cards.
  • Stereo to Mono Switch: Provides flexibility in audio output settings.
  • 35dB Pad Switch: Reduces high-level output of computer systems to a more normal level.
  • Earth Isolation: Switchable grounding on outputs to cure induced hum or cross-talk effects.
  • Bi-Directional Balancing: Converts unbalanced stereo audio to balanced stereo in either direction.
  • Passive Adaptor: Requires no external or battery power.
  • 3.5mm Mini Jack Input: Fixed cable for easy connection to PC.
  • Versatile Usage: Can be used in reverse to record external stereo or mono signals onto devices needing a 3.5mm jack input.
  • Bandwidth: 20Hz to 20KHz, supporting signal levels up to 5V P-P.
  • Impedance: Approximately 600 Ohm output and 1000 Ohm input.
  • Output Pad: Switchable between -2dB and -35dB.

The Passive PC Balance Box is an essential tool for anyone looking to connect a PC to a professional PA system without the unwanted noise and hum, ensuring a clean and high-quality audio experience.


Channels 2
Weight 218g / 8oz
Product Range Audio Signal Processing
Brand Interspace
Condition New

Download the Spec Sheet Here

Trade Price: £76.82 (Inc VAT)

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