---
product_id: 250423664
title: "Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA"
brand: "retailandbulk"
price: "R381"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Retail And Bulk"
url: https://www.desertcart.co.za/products/250423664-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way
store_origin: ZA
region: South Africa
---

# Gold-plated contacts ensure zero signal loss 3 Female RJ11 Jacks for dual device use Durable ABS UL 94-V2 housing for premium protection Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA

**Brand:** retailandbulk
**Price:** R381
**Availability:** ✅ In Stock

## Summary

> 📞 Stay connected, split smart — never miss a call or opportunity!

## Quick Answers

- **What is this?** Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA by retailandbulk
- **How much does it cost?** R381 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/250423664-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way)

## Best For

- retailandbulk enthusiasts

## Why This Product

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

## Key Features

- • **Double Your Connectivity:** Split one landline jack into two seamless connections for phone and fax or modem.
- • **Eco-Conscious & Certified:** RoHS-certified components ensure safety and environmental responsibility.
- • **Built to Last, Made in USA:** Precision-crafted with UL-certified ABS housing and thick pure copper wires for unmatched durability.
- • **Compact & Versatile Design:** 2.5-inch cable and in-line or in-wall installation options fit effortlessly into any workspace.
- • **Signal Integrity Guaranteed:** Gold-plated contacts eliminate interference, delivering crystal-clear calls every time.

## Overview

This premium Phone Jack Splitter features 3 female RJ11 jacks and a 2.5-inch cable, enabling you to connect two devices to a single landline. Made in the USA with durable ABS UL 94-V2 housing, thick pure copper wiring, and gold-plated contacts, it guarantees zero signal loss and long-lasting performance. RoHS-certified and precision tested, it’s the perfect solution for professionals managing multiple landline devices with uncompromising quality.

## Description

Buy RetailAndBulk Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA: Connectors & Adapters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Must for land line phones - Great quality fit,ease of use,works great,
Review: Great product!! - Worked perfectly!!

## Features

- 1 to 2 Phone Jack Splitter with 3 Female RJ11 Jacks and High Quality 2.5 inch Phone Cable
- Expand a Single Telephone Line Jack to Connect 2 Devices, such as a Phone and Fax
- Premium Quality build of durable ABS UL 94-V2 housing, thick pure Copper Wires, and Gold Plated contacts to ensure no signal loss
- All Splitter and Cable Components are RoHS Certified
- Precision Made and Tested in USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08KG7XZKT |
| Best Sellers Rank | #23 in Telephone Wires |
| Brand | RetailAndBulk |
| Cable Type | Telephone Cable |
| Color | Black |
| Compatible Devices | Answering Machine, Caller ID, DSL Modem, Fax, Telephone |
| Connector Gender | Female-to-Female, Male-to-Female |
| Connector Type | RJ11 |
| Date First Available | May 20, 2020 |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Item Weight | 0.317 ounces |
| Item model number | 618020833043 |
| Manufacturer | RetailAndBulk |
| Maximum Voltage | 10 Volts (DC) |
| Model Name | RJ11 Phone Jack Splitter |
| Number of Items | 1 |
| Number of Pins | 18 |
| Package Dimensions | 5.87 x 3.31 x 0.87 inches |
| Recommended Uses For Product | Connecting and managing multiple landline phones, fax machines, or modems |
| Shape | Round |
| Special Feature | Premium materials ensure full signal integrity |
| Specification Met | RoHS |
| UPC | 618020833043 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** RetailAndBulk
- **Cable Type:** Telephone Cable
- **Compatible Devices:** Answering Machine, Caller ID, DSL Modem, Fax, Telephone
- **Connector Type:** RJ11
- **Special Feature:** Premium materials ensure full signal integrity

## Images

![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 1](https://m.media-amazon.com/images/I/41KA83ma1SL.jpg)

## Questions & Answers

**Q: I need a bulk order of phone jack splitters quickly. Should I choose Amazon Prime or Ships from RetailAndBulk?**
A: Ships from RetailAndBulk is fastest for bulk orders. We ship all splitters in one shipment the next business day from our NY workshop where we make them. Prime may need to transfer stock to one warehouse first or send multiple packages.

**Q: Are these phone splitters compatible with all landline phones?**
A: Yes, our splitters are compatible with all standard RJ11 landline phones, including AT&T, Panasonic, cordless phones, and 2-line phones. Each splitter is tested before shipping to ensure reliable performance and a great customer experience.

**Q: Can I connect 2 phone handsets to this splitter?**
A: No, handsets use RJ9 connectors which are smaller than RJ11

**Q: Can I use these telephone line splitters with fax machines and DSL modems?**
A: Yes, our phone splitters are straight-wired to support both voice and data connections. They work with fax machines, DSL modems, and all standard landline phones. Each part is tested to ensure stable connectivity and reliable performance.

**Q: Do you offer bulk discounts on large orders?**
A: Yes, if you have an Amazon Business account, you will see it when adding large quantity to cart. We’ve served many large-scale projects, including hotels, retail chains, new constructions, schools, hospitals, TV stations, and fire departments.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must for land line phones
*by F***N on December 3, 2025*

Great quality fit,ease of use,works great,

### ⭐⭐⭐⭐⭐ Great product!!
*by S***R on November 14, 2025*

Worked perfectly!!

### ⭐⭐⭐⭐⭐ The gold plated connecters. Like audiophile wires connectors WOW
*by W***H on January 1, 2026*

Worth the extra money to get gold plated connectors. Fit my DECT 25 yr old Panasonic, pricy at the time, female jack in the back multi-feature unit , like very well easy to use. I bet when people call with hard to her voices, this will sharpen the clarity. Solid product for sure and will stand long term abuse and tugging.

## Frequently Bought Together

- RetailAndBulk Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA
- G-PLUG RJ11 to RJ11 Cable, High Speed ADSL Cable for Internet Broadband, Router, Telephone, WiFi, Easy to Fit in Phone Socket/Black, 3ft

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**Shop now:** [https://www.desertcart.co.za/products/250423664-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way](https://www.desertcart.co.za/products/250423664-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-05*