Restore secure signal connection to your Line 6 Helix or HX processor with this Genuine Line 6 1/4" TRS PCB-Mounted Jack (Part# 21-00-0009).

This factory-spec TRS jack features a PCB-mounted design with chassis grounding lug (PCB-TO-CL configuration) and is used across multiple Helix-family models and board locations.

If your unit is experiencing loose jacks, crackling, intermittent signal, or signal loss, this is the correct OEM replacement component.

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Key Features

• Genuine Line 6 Part

• Part Number: 21-00-0009

• 1/4" TRS (6.5mm) PCB-Mounted Jack

• PCB-to-Chassis Lug Design (PCB-TO-CL)

• Restores Secure Mechanical & Electrical Connection

• Factory-Spec Fit & Performance

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Compatibility & Board Locations

Helix LT

• J5–J7

• J10–J15
  Total Used: 9

Helix Floor

• J10

• J19–J20
  Total Used: 3

Helix Floor (Control Board)

• J2–J5
  Total Used: 4

Helix Rack

• J13–J14
  Total Used: 2

HX Effects

• J4–J7
  Total Used: 4

Verify board position and quantity before ordering.

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Specifications

• Type: 1/4" TRS (6.5mm)

• Mounting: PCB-mounted with chassis grounding lug

• Configuration: PCB-TO-CL

• Application: Instrument / audio I/O connections

• Part Number: 21-00-0009

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⚠ Important Notes

• Professional Installation Recommended – PCB-level desoldering and soldering required.

• Non-Refundable – Electronic components are non-returnable.

• Verify Quantity Needed:

  • Helix LT: 9

  • Helix Floor: 3

  • Helix Floor Control Board: 4

  • Helix Rack: 2

  • HX Effects: 4

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Need Help With Your Line 6 Gear?

If your Helix or HX unit is experiencing loose or failed jacks and you’re not comfortable with PCB-level repair, we can help.

👉 Submit a repair request here:
https://britishaudio.com/pages/repair-request