---
product_id: 531648239
title: "Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones"
brand: "callez"
price: "A$79"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/531648239-callez-rj9-4p4c-telephone-training-adapter-y-splitter-for-headset
store_origin: AU
region: Australia
---

# Dual Headset Support 19.6 in Cable Length 4-Pin RJ9 Connector Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones

**Brand:** callez
**Price:** A$79
**Availability:** ✅ In Stock

## Summary

> 📞 Double the Headsets, Double the Learning!

## Quick Answers

- **What is this?** Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones by callez
- **How much does it cost?** A$79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/531648239-callez-rj9-4p4c-telephone-training-adapter-y-splitter-for-headset)

## Best For

- callez enthusiasts

## Why This Product

- Trusted callez brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Usage:** Ideal for call centers, remote work, and professional environments.
- • **Lightweight Design:** Weighs only 9g for easy portability.
- • **Perfect for Training:** Facilitates simultaneous listening for effective training sessions.
- • **Seamless Compatibility:** Works with major brands like Cisco, Avaya, and Polycom.
- • **Plug and Play Convenience:** No setup hassle—just plug in and start training!

## Overview

The Callez RJ9 4P4C Telephone Training Adapter Y Splitter is a lightweight and versatile solution designed for professionals. Compatible with a wide range of desk phones, it allows two headsets to connect simultaneously, making it perfect for training sessions in call centers or remote work environments. With a simple plug-and-play setup and a 19.6-inch cable, this adapter ensures clear communication and ease of use.

## Description

Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones

## Features

- Compatibility Notices: The compatibility of this telephone training adapter depends on whether your RJ9 headset is compatible with your telephone. As long as your headset is compatible with your telephone, the adapter will work properly.
- Compatible Telephones: This RJ9 Y splitter is compatible with Plantronics, Mitel, Cisco, Yealink, Avaya, Polycom, ShoreTel, NEC, Aastra, Nortel, GE and other IP phones.
- Easy to Use: Plug and play, can plug either into handset port or 4P4C RJ9 headset port. Allows the use of two headsets on one telephone. Allow you to setup that you can choose either handset or headset for your calls.
- Lightweight and Convenient: This telephone splitter is very lightweight and provides clear voice incoming and outgoing, the cord is 19.6 inches (50 cm) long. It helps with training and can also use as an extender.
- Great for Training: This telephone training adapter is great for landline phones with RJ9 headset jack. It can splitter into two listeners/callers same conversation simultaneous. Great suitable for business professional, call center, work from home or anywhere.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Callez |
| Connector Type | 4-Pin RJ9 |
| Cable Type | Telephone Headset Cable |
| Compatible Devices | Telephones/Wired RJ9 Headsets |
| Special Feature | Lightweight |
| Compatible Phone Models | Plantronics, Mitel, Cisco, Yealink, Avaya, Polycom, ShoreTel, NEC, Aastra, Nortel, GE, other IP phones |
| Recommended Uses For Product | Training purposes in professional settings |
| Colour | Black |
| Connector Gender | Male-to-Female |
| Shape | Round |
| Number of Pins | 4 |
| Item Weight | 0.01 Kilograms |
| Model Name | YTRJ-RJ9 |
| Indoor/Outdoor Usage | Indoor |
| Outer Material | Plastic |
| Manufacturer | Callez |
| UPC | 796914368496 |
| Model | YTRJ-RJ9 |
| Product Dimensions | 12.7 x 8.89 x 2.54 cm; 9 g |
| Item model number | YTRJ-RJ9 |
| Special Features | Lightweight |
| Mounting Hardware | Cable |
| Headphones form factor | 4P4C/RJ9 |
| Power Source | adapter |
| Batteries Included | No |
| Batteries Required | No |
| Number of Ports | 1 |
| Connector Type | Wired |
| Material | Plastic |
| Item Weight | 9 g |

## Product Details

- **Brand:** Callez
- **Connector Type:** 4-Pin RJ9
- **Cable Type:** Telephone Headset Cable
- **Compatible Devices:** Telephones/Wired RJ9 Headsets
- **Special Feature:** Lightweight

## Images

![Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones - Image 1](https://m.media-amazon.com/images/I/51WBGgl8TLL.jpg)
![Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones - Image 2](https://m.media-amazon.com/images/I/51CV-dWdY7L.jpg)
![Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones - Image 3](https://m.media-amazon.com/images/I/61gQdMx-uGL.jpg)
![Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones - Image 4](https://m.media-amazon.com/images/I/516dXkqWSCL.jpg)
![Callez RJ9 4P4C Telephone Training Adapter Y Splitter for Headset or Handset Compatible with Plantronics Mitel Polycom Avaya Yealink Cisco Aastra Shoretel Nortel NEC Grandstream and Other Desk Phones - Image 5](https://m.media-amazon.com/images/I/71fjop85NPL.jpg)

## Available Options

This product comes in different **Colour** options.

## Frequently Bought Together

- Callez RJ9 Telephone Training Splitter, Compatible with Plantronics, Mitel, Cisco, Yealink, Avaya, Polycom, ShoreTel, NEC, Aastra, Nortel, GE and Other IP Phones, Easy to Use
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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-08*