---
title: "Infinity Beltpack Pin Connections"
slug: "clone-infinity-headset-4-pin-xlr-pinout"
updated: 2025-10-03T13:13:40Z
published: 2025-12-30T15:17:50Z
canonical: "docs.telosalliance.com/clone-infinity-headset-4-pin-xlr-pinout"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Infinity Beltpack Pin Connections

## Scope

Infinity hardware products have the ability to connect a headset via a 4-pin XLR. Below is the pinout for the XLR connector, should you ever need to troubleshoot, or make sure that a headset is compatible.

## Pinout

| Pin 1 | Mic Ground |
| --- | --- |
| Pin 2 | Mic + |
| Pin 3 | Speaker - |
| Pin 4 | Speaker + |

## Let us know how we can help

If you have further questions on this topic or have ideas about improving this document, please [contact us](https://www.telosalliance.com/support-request).