PassMark Software
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Audio Loopback Cable

High Quality Audio Loopback Cables

PassMark audio loopback cables contain two 3.5mm gold plated stereo plugs which connect the audio out and line in ports of your sound card during sound card loopback testing. This audio test equipment would typically be used hand in hand with specific test software to provide a system for sound card troubleshooting (BurnInTest and/or SoundCheck). For instance BurnInTest generates an audio test tone which is analysed for purity upon loopback. The following are the cable specifications.

Quantity Price (AUD) incl. GST Ordering
1 - 4 $11.60 Add to cart
5 - 10 $10.10
11 or more $8.70

These prices do not include shipping and do not include the BurnInTest Professional software.

Technical Specifications

Dimensions: Total length: 330mm ± 0.5mm
Plug length: 14mm ± 0.5mm
Plug diameter: 3.5mm
Conductors: American wiring gauge: 26(10/0.12)x2F. 0.43mm diameter with a resistance of 0.0480 ohms per foot.
Insulation: PBC, 1.0mm diameter
Shielding: Spiral shield: Bare copper wire, 30/0.10
Sheath: Material: PVC
Colour: Black


These cables connect the Audio Out port to the Line In port of your sound card


Windows 98, ME, 2000, XP (32-bit and 64-bit), 2008 Server (32-bit and 64-bit), Windows 7 (32-bit and 64-bit), Windows 8 (32-bit and 64-bit) and WIndows 10 (64-bit) are supported through BurnInTest. Windows 95 and NT4 are also supported through SoundCheck.
In order to use the cables, one of the following PassMark applications is required:

  • BurnInTest version 3.1 or above.
  • SoundCheck version 1.0 or above.

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Audio Loopback Product Code: PM014

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