---
product_id: 250423664
title: "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"
brand: "retailandbulk"
price: "₩25550"
currency: KRW
in_stock: true
reviews_count: 8
url: https://www.desertcart.kr/products/250423664-retailandbulk-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2
store_origin: KR
region: South Korea
---

# 1 to 2 device expansion 3 female RJ11 jacks Made in USA quality 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

**Brand:** retailandbulk
**Price:** ₩25550
**Availability:** ✅ In Stock

## Summary

> 📞 Double the Connections, Double the Convenience!

## Quick Answers

- **What is this?** 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 by retailandbulk
- **How much does it cost?** ₩25550 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/250423664-retailandbulk-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2)

## 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

- • **Precision Engineering:** Proudly made and rigorously tested in the USA for unmatched reliability.
- • **Premium Build Quality:** Crafted with durable ABS UL 94-V2 housing and thick pure copper wires for longevity.
- • **Eco-Friendly Assurance:** All components are RoHS certified, aligning with your sustainable values.
- • **Expand Your Connectivity:** Transform a single phone line into a dual connection for seamless communication.
- • **Signal Integrity Guaranteed:** Gold-plated contacts ensure zero signal loss for crystal-clear calls.

## Overview

This Phone Jack Splitter allows you to effortlessly connect two devices to a single telephone line, featuring three female RJ11 jacks and a high-quality 2.5-inch cable. Built with premium materials and RoHS certified components, it ensures optimal performance and durability, all while being proudly made in the USA.

## Description

Full description not available

## 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

## Product Details

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

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/41KA83ma1SL.jpg)

## Available Options

This product comes in different **Color, Size, Number Of Items** options.

## 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

### ⭐⭐⭐⭐⭐ Works as it should
*by M***E on July 26, 2025*

Quality product works well

### ⭐⭐⭐⭐⭐ Great for dual phone systems.
*by K***R on June 21, 2025*

We had recently purchased a phone system with blocking features, but still wanted to use our other phones in case batteries died, and to have phones in each main room. So we got this splitter for the blocking phone system and the other ones. Works great!

### ⭐⭐⭐⭐⭐ Good value and works!
*by J***J on April 12, 2025*

It's a simple and well made splitter. Working great in our office.

## 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.kr/products/250423664-retailandbulk-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2](https://www.desertcart.kr/products/250423664-retailandbulk-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-26*