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Shure A15AS In-Line Switchable Attenuator/Pad XLR Barrel

BH #SHA15AS • MFR #A15AS
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Shure A15AS In-Line Switchable Attenuator/Pad XLR Barrel
Key Features
  • Reduces Level by 15, 20, or 25 dB
  • Female 3-Pin XLR In, Male 3-Pin XLR Out
  • Works with Balanced Mic or Line Level
The Shure A15AS In-Line Switchable Attenuator/Pad XLR Barrel is a pad-selectable microphone attenuator, which helps prevent amplifier overload when strong signals are applied. The A15AS bridges the microphone output and allows maximum signal handling without added distortion. 
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Shure A15AS Overview

The Shure A15AS In-Line Switchable Attenuator/Pad XLR Barrel is a pad-selectable microphone attenuator, which helps prevent amplifier overload when strong signals are applied. The A15AS bridges the microphone output and allows maximum signal handling without added distortion. 

Provides 15, 20, or 25 dB of microphone attenuation
For use with all low-impedance and phantom-powered condenser microphones
XLR input and output
Full magnetic shield in a steel gray-enamel-finished case
UPC: 042406054010

Shure A15AS Specs

Key Specs
In-Line Accessory Type
Attenuator/Pad
Input / Output Level
Input: Mic/Line Level
Output: Mic/Line Level
Number of Channels
1
Attenuation
-15 dB / -20 dB / -25 dB (Selectable)
Controls
1x Pad Switch
Inputs/Outputs
1x XLR 3-Pin Female Input
1x XLR 3-Pin Male Output
General
In-Line Accessory Type
Attenuator/Pad
Input / Output Level
Input: Mic/Line Level
Output: Mic/Line Level
Number of Channels
1
Attenuation
-15 dB / -20 dB / -25 dB (Selectable)
Controls
1x Pad Switch
Connectivity
Inputs/Outputs
1x XLR 3-Pin Female Input
1x XLR 3-Pin Male Output
Performance
Impedance
Input:
1 Kilohms

Output:
150 Ohms
Physical
Dimensions
4.5 x 0.7" / 11.4 x 1.9 cm
Packaging Info
Package Weight
0.25 lb
Box Dimensions (LxWxH)
3.6 x 0.9 x 0.5"

Shure A15AS Reviews

Solved my Problem

By Lane
Rated 5 out of 5
Date: 2026-06-12

This solved a pretty serious problem I was having with my Zoom F3 where I would plug into a board to record audio from a live event and would get a message saying the max input level was exceeded and I couldn't record. Because the F3 didn't have level dials this was nearly a disaster. Now this goes everywhere the F3 goes and I know I can lower the input levels and avoid that issue.

Works as advertised

By David
Rated 5 out of 5
Date: 2022-06-22

I needed this device. The hard part was finding the specifications for frequency response. Lots of digging between Shure itself, but found it. I wanted to make sure it did what it was supposed to do.

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