WMT389 vs M9177/2-1
| Part Number |
|
|
| Category | Barrel - Audio Connectors | Barrel - Audio Connectors |
| Manufacturer | Switchcraft Inc. | Amphenol Aerospace Operations |
| Description | CONN JACK TWIN STEREO PNL MNT | CONN PLUG 4COND TJ-101 U-174/U |
| Package | - | - |
| Series | WMT-Jax? | - |
| Features | Grounding Tab | - |
| Mounting Type | Panel Mount | Free Hanging (In-Line) |
| Termination | Wire Wrap | - |
| Connector Type | Phone Jack, Twin | Phone Plug |
| Shielding | Unshielded | - |
| Gender | Female | Male |
| Number of Positions/Contacts | 2 Sets of 3 Conductors, 6 Contacts | 4 Conductors, 4 Contacts |
| Signal Lines | Stereo | Multiple |
| Industry Recognized Mating Diameter | 6.35mm (0.250", 1/4") - Headphone | - |
| Actual Diameter | 0.250" (6.35mm) | 0.281" (7.14mm) |
| Internal Switch(s) | 2 Sets of Two Switches | Does Not Contain Switch |
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1. What are the standard sizes for barrel audio connectors?
The most common sizes are 1/4 inch (6.35 mm), 1/8 inch (3.5 mm), and 2.5 mm, with the size referring to the connector’s diameter.
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2. Are barrel connectors compatible across all devices?
Not always. Compatibility depends on the device's connector type (TRS or TS), size (3.5 mm, 6.35 mm, etc.), and whether the device supports mono, stereo, or balanced audio.
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3. How can I identify a high-quality barrel audio connector?
Look for features like gold-plated contacts for better conductivity, robust build quality, and proper strain relief to avoid cable damage.
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4. What is the difference between male and female barrel connectors?
Male connectors: Have a protruding pin or plug.
Female connectors: Feature a receptacle to receive the male connector.

