Shure A15LA — 50dB Inline Attenuator
A15LA Overview
The Shure A15LA is a passive inline attenuator designed to bridge the level mismatch between line-level outputs and microphone-level inputs. By providing a fixed 50dB of attenuation, it prevents overloading mic preamps when feeding signal from line-level sources such as mixers, playback devices, or other professional audio equipment. It is a practical solution for audio engineers, system integrators, and broadcast technicians who need a reliable, no-power signal pad in their signal chain.
The A15LA’s inline form factor allows for quick deployment in live, installed, or broadcast environments without additional hardware or wiring modifications.
Key Features
- 50dB Fixed Attenuation — reduces line-level signals to microphone-level, preventing preamp overload and distortion
- Inline Design — installs directly in the signal path with no external power required
- Line-to-Mic Level Bridging — allows line-level outputs to connect directly to microphone inputs on mixers, recorders, and interfaces
- Passive Operation — requires no batteries or phantom power, ensuring reliable performance in any environment
- Shure Build Quality — constructed to Shure’s professional accessory standards for consistent, long-term use in demanding applications
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