---
product_id: 516761416
title: "Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones"
brand: "callez"
price: "S$65"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/516761416-telephone-training-adapter-y-splitter-for-rj9-headset-or-handset
store_origin: SG
region: Singapore
---

# Clear sound quality Dual headset ports RJ9 plug & play Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones

**Brand:** callez
**Price:** S$65
**Availability:** ✅ In Stock

## Summary

> 🎧 Double the ears, double the impact — train smarter, not harder!

## Quick Answers

- **What is this?** Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones by callez
- **How much does it cost?** S$65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/516761416-telephone-training-adapter-y-splitter-for-rj9-headset-or-handset)

## 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

- • **Crystal Clear Audio:** Ensures reliable, high-quality sound for professional communication.
- • **Plug & Play Simplicity:** No setup headaches—just plug into handset or headset port and start.
- • **Universal Compatibility:** Works flawlessly with top IP phone brands like Cisco, Yealink, Avaya, and more.
- • **Compact & Lightweight Design:** 19.6-inch cord and durable plastic housing fit perfectly in any workspace.
- • **Seamless Dual-User Connectivity:** Effortlessly connect two headsets for real-time training and collaboration.

## Overview

The Callez Telephone Training Adapter Y Splitter is a lightweight, durable RJ9 splitter designed for seamless dual-headset use on popular IP phones including Cisco, Yealink, and Avaya. Ideal for call centers and training environments, it offers plug-and-play convenience with crystal-clear audio quality, enabling simultaneous listening and speaking for effective coaching and collaboration.

## Description

Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP 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 phone splitter is compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel, GE and other IP phones.
- 【Easy to Install】: Can plug either into handset port or RJ9 headset port. Allows the use of two headsets on one telephone, plug and play. This headset splitter will give you two more ports to headset or handset corded plug in, it helps with training and also acts as an extension cord.
- 【Lightweight and Durable】: This telephone jack splitter is made of durable plastic material, the cord is 19.6 inches (50 cm) long , very lightweight and provides good sound quality. Moderate length doesn't take up much space, ideal for training.
- 【Great for Training】: This is a telephone training adapter for RJ9 headset jack found on many telephones. Now both users can simultaneous listening / talking into one conversion via this adapter. Great use for call center / telephone marketing training.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Callez |
| Connector Type | RJ9 |
| Cable Type | AUX |
| Compatible Devices | Headphone |
| Special Feature | Lightweight |
| Compatible Phone Models | Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel, GE |
| Recommended Uses For Product | call center / telephone marketing training |
| Colour | Black |
| Connector Gender | Male-to-Female |
| Shape | Round |
| Number of Pins | 4 |
| Net Quantity | 1.0 Count |
| Item Weight | 0.4 Ounces |
| Indoor/Outdoor Usage | Indoor |
| Number of Items | 1 |
| Customer Package Type | FFP |
| Maximum Voltage | 5E+1 Volts (DC) |
| Outer Material | Plastic |
| Manufacturer | Callez |
| Country of Origin | USA |
| Model number | GYTRJ9-1 |
| Specific Product Use | Telephone |
| Item Weight | 11.3 g |
| Package Dimensions | 16.69 x 12.9 x 2.39 cm; 11.34 g |
| Item model number | GYTRJ9-1 |
| Number of Ports/Connectors | 1 |
| Connectivity Technology | wireless |
| Power Source | corded electric |
| Are batteries included? | No |

## Product Details

- **Brand:** Callez
- **Connector Type:** RJ9
- **Cable Type:** AUX
- **Compatible Devices:** Headphone
- **Special Feature:** Lightweight

## Images

![Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones - Image 1](https://m.media-amazon.com/images/I/51EzrMDkY9L.jpg)
![Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones - Image 2](https://m.media-amazon.com/images/I/61++plDa8IL.jpg)
![Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones - Image 3](https://m.media-amazon.com/images/I/61bDG+tY69L.jpg)
![Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones - Image 4](https://m.media-amazon.com/images/I/715JZCPWswL.jpg)
![Telephone Training Adapter Y Splitter for RJ9 Headset or Handset Phone Splitter Compatible with Cisco, Yealink, Avaya, Plantronics, Polycom, ShoreTel, NEC, Aastra, Nortel, Mitel and Other IP Phones - Image 5](https://m.media-amazon.com/images/I/61E8CnxBFiL.jpg)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-29*