Interspace PCBB3 PC Hum Eliminater Balance Box

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.