Shure A15PRS — Switchable Phase Reverser Inline Adapter
A15PRS Overview
The Shure A15PRS is a professional inline accessory designed to reverse the polarity of a balanced audio signal on demand. It provides a fast, reliable solution for correcting polarity reversal caused by wiring errors and for reducing comb filtering in multi-microphone or multi-source setups. The switchable design allows engineers to toggle phase reversal without rewiring, making it a practical tool for live sound, installed audio, and broadcast environments. System integrators, FOH engineers, and touring technicians will find it an essential troubleshooting and signal-management tool.
The A15PRS integrates inline with standard balanced signal chains, requiring no external power and adding minimal bulk to a signal path or cable run.
Key Features
- Switchable Phase Reversal — Toggle polarity reversal of a balanced audio signal without rewiring or replacing cables
- Wiring Error Correction — Quickly corrects polarity reversal introduced by miswired cables or connectors in the signal chain
- Comb Filtering Reduction — Addresses phase cancellation issues in multi-microphone configurations by inverting signal polarity as needed
- Balanced Signal Compatibility — Designed specifically for use with balanced audio lines, maintaining signal integrity throughout the path
- Inline Form Factor — Connects directly in-line with existing cable runs for fast deployment without additional hardware
- No External Power Required — Passive operation ensures compatibility across any balanced signal chain without power considerations
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