---
product_id: 212492691
title: "Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA"
brand: "retailandbulk"
price: "¥2978"
currency: JPY
in_stock: true
category: "Retail And Bulk"
url: https://www.desertcart.jp/products/212492691-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way
store_origin: JP
region: Japan
---

# 2-way RJ11 splitter expands single jack 3 female ports + 2.5-inch detachable cable Made in USA with RoHS-certified parts Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA

**Brand:** retailandbulk
**Price:** ¥2978
**Availability:** ✅ In Stock

## Summary

> 📞 Split Smart, Connect Smarter – Stay Ahead in Every Call!

## Quick Answers

- **What is this?** Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA by retailandbulk
- **How much does it cost?** ¥2978 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/212492691-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

- • **Universal Compatibility:** Works flawlessly with all standard landline phones, fax machines, and modems—no device left behind.
- • **Double Your Connectivity:** Seamlessly split one RJ11 jack into two without any signal drop, perfect for multitasking pros.
- • **Premium Signal Integrity:** Pure copper wiring and 50-micron gold-plated contacts ensure crystal-clear calls and data transfer.
- • **Flexible Setup, Zero Hassle:** Three female RJ11 ports plus a detachable 2.5-inch cable let you customize your workspace effortlessly.
- • **Trusted American Craftsmanship:** Precision-made and rigorously tested in the USA, already a favorite among thousands of professionals.

## Overview

This USA-made Phone Jack Splitter expands a single RJ11 landline jack into two with three female ports and a detachable 2.5-inch cable. Featuring pure copper wiring and gold-plated contacts, it guarantees reliable, high-quality connections compatible with all standard RJ11 devices, including phones, fax machines, and modems. RoHS-certified and precision-tested, it’s the trusted choice for professionals seeking seamless multitasking and superior signal clarity.

## Description

desertcart.com: RetailAndBulk Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA : Electronics

## Features

- SINGLE PHONE JACK NOT ENOUGH? - Expand one RJ11 jack into two jacks without losing signal quality
- NEED FLEXIBLE CONNECTION OPTIONS? - Three female RJ11 ports with detachable 2.5-inch cable let you connect multiple devices easily
- WORRIED ABOUT COMPATIBILITY? - Works with landline phones, fax machines, modems, and other RJ11 devices for voice or data connections
- TIRED OF SIGNAL LOSS? - Pure copper wires and 50 micron thick gold-plated contacts with precise construction keep connections clear and reliable
- LOOKING FOR RELIABLE QUALITY? - RoHS-certified parts, precision manufacturing and testing in USA deliver consistent performance, already trusted by tens of thousands

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B088Z2DFZS |
| Best Sellers Rank | #30 in Telephone Wires |
| Brand Name | RetailAndBulk |
| Cable Type | Telephone Cable |
| Color | White |
| Compatible Devices | Telephone, Fax |
| Compatible Phone Models | All standard RJ11 landline phones (e.g., Panasonic, AT&T, VTech, GE) |
| Connector Gender | Female-to-Female, Male-to-Female |
| Connector Type | RJ11 |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,583) |
| Data Transfer Rate | 56 kilobits_per_second |
| Gauge | 24 |
| Included Components | Phone Jack Splitter and Cable |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Flat |
| Manufacturer | RetailAndBulk |
| Model | RJ11 Duplex Adapter with 3 inch Cable |
| Number of Items | 1 |
| Number of Pins | 4 |
| Other Special Features of the Product | Premium Parts |
| Part Number | RJ11 Duplex Adapter with 3 inch Cable |
| Specification Met | Rohs Certified |
| UPC | 618020832800 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** RetailAndBulk
- **Cable Type:** Telephone Cable
- **Compatible Devices:** Telephone, Fax
- **Connector Type:** RJ11
- **Special Feature:** Premium Parts

## Images

![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 1](https://m.media-amazon.com/images/I/21yEw3fttGL.jpg)
![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 2](https://m.media-amazon.com/images/I/41oDa7vywBL.jpg)
![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 3](https://m.media-amazon.com/images/I/41AJgj1TfWL.jpg)
![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 4](https://m.media-amazon.com/images/I/51l8FfZ+ZbL.jpg)
![Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Image 5](https://m.media-amazon.com/images/I/51y2ftl-A7L.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.

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**Shop now:** [https://www.desertcart.jp/products/212492691-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way](https://www.desertcart.jp/products/212492691-phone-jack-splitter-for-landline-telephone-rj11-6p4c-2-way)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-14*