Switchcraft
Switchcraft SW-318 Stereo Jack to Balanced Mono XLR Adapter
★★★★★
Professional Audio Connectivity Solution The Switchcraft 318 Adapter is a high-quality audio adapter designed for converting a 1/8 inch stereo jack to a balanced mono 3-Pin Male XLR connection. It's perfect for connecting audio devices with different connector types while maintaining optimal sig...
$103.75*
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*Price sourced from Amazon.com. Last updated:May 27, 2026.Price and availability are subject to change.
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Overview
Professional Audio Connectivity Solution
The Switchcraft 318 Adapter is a high-quality audio adapter designed for converting a 1/8 inch stereo jack to a balanced mono 3-Pin Male XLR connection. It's perfect for connecting audio devices with different connector types while maintaining optimal signal integrity.
Specifications
Product Type
Adapter
Input Connector
Stereo Jack
Output Connector
Balanced Mono XLR
Function
Stereo to Balanced Mono Conversion
Brand
Switchcraft
Pros & Cons
👍 Pros
- Conveniently converts a stereo jack output into a balanced mono XLR signal, suitable for professional audio setups.
- Offers a specific solution for connecting devices with stereo jack outputs to equipment requiring balanced mono XLR inputs.
- The adapter design provides a simple, direct conversion without additional power or complex configuration.
- Manufactured by Switchcraft, a brand recognized for its quality in audio connectors and adapters.
- Facilitates integration of consumer-grade audio sources into professional sound systems that use XLR connections.
👎 Cons
- This adapter performs a very specific function and is not a general-purpose audio converter for other plug types.
- It converts stereo to mono, meaning any stereo separation from the source will be lost in the output signal.
- No information is provided regarding the specific materials or shielding, which could impact signal integrity over long runs.
- The adapter lacks any control features such as volume, impedance matching, or ground lift for troubleshooting hums.
- Its design is limited to physical adaptation and does not include active electronics for signal boosting or impedance correction.
Frequently Asked Questions
What is the primary use of the Switchcraft SW-318 adapter?
The Switchcraft SW-318 adapter is designed to convert a stereo jack audio signal into a balanced mono XLR output for connectivity with professional audio equipment.
Does this adapter preserve stereo sound?
No, this adapter converts a stereo signal into a balanced mono signal, which means the left and right channels are combined, resulting in a single mono output.
Is this adapter suitable for connecting a microphone to a stereo jack input?
This adapter is specifically for converting a stereo jack output to a balanced mono XLR input, not for microphone input to stereo jack.
Do I need external power for this adapter to function?
No, the Switchcraft SW-318 is a passive adapter and does not require external power to perform its stereo jack to balanced mono XLR conversion.
Can this be used to connect headphones to an XLR output?
This adapter converts a stereo jack output to an XLR output; it is not designed to connect headphones (which typically use a stereo jack input) to an XLR source.
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