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SKU
153131
MPN
A15BT

Shure A15BT XLR Bridging Transformer for Line Balancing

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  • High-impedance to low-impedance matching with a 33 kOhm primary and 600 or 7500 ohm secondary winding
  • Can be used in either direction to step signals up or down as required by your setup
  • Provides bridging and isolation between balanced and unbalanced audio lines
  • Helps reduce hum, buzz, and interference caused by impedance or grounding mismatches
  • Slender in-line XLR female to XLR male configuration integrates directly into standard microphone or line cables
  • Rugged, portable design suitable for studio, stage, and location sound work

The Shure A15BT XLR Bridging Transformer for Line Balancing is a compact in-line solution for adapting, isolating, and matching audio signals between balanced and unbalanced lines with differing impedances and levels. Ideal for professional sound systems, recording setups, and broadcast applications, this transformer helps maintain signal integrity while minimizing noise and loading issues, all in a slender XLR female to XLR male barrel-style housing that easily fits into existing cabling.

Features

  • High-impedance to low-impedance matching with a 33 kOhm primary and 600 or 7500 ohm secondary winding
  • Can be used in either direction to step signals up or down as required by your setup
  • Provides bridging and isolation between balanced and unbalanced audio lines
  • Helps reduce hum, buzz, and interference caused by impedance or grounding mismatches
  • Slender in-line XLR female to XLR male configuration integrates directly into standard microphone or line cables
  • Rugged, portable design suitable for studio, stage, and location sound work
In the Box
  • Shure A15BT XLR Bridging Transformer
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More Information
SKU153131
BrandsShure
MPNA15BT
Product ConditionNew
Specifications
Specification Value
General
Manufacturer Shure
Manufacturer Part Number A15BT
Product Type XLR bridging transformer
Equipment Category Audio transformers
Manufacturer Website www.shure.com
Electrical
Primary Impedance 33 kΩ
Secondary Impedance 600 Ω or 7500 Ω
Reversible Operation Transformer can be used with primary and secondary interchanged
Balanced / Unbalanced Balanced audio lines can be quickly configured for unbalanced operation
Connectors & Form Factor
Input Connector XLR female
Output Connector XLR male
Physical Style Compact in-line XLR barrel design
Compliance
California Proposition 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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