DSL Filter Splitter ADSL RJ11 Male to 2 Female Phone Line

Keep your internet and phone line running smoothly with this compact DSL Filter Splitter. Designed for ADSL broadband setups, this RJ11 splitter lets you connect both your modem and telephone handset to a single wall socket — eliminating signal interference between your DSL internet connection and voice calls.

Built from durable plastic and metal, this adapter features one male RJ11 plug (6P4C) and two female RJ11 ports (6P4C / 6P2C), making it compatible with most standard telephone and ADSL modem connectors. Its compact, plug-in design means no wiring required — simply plug it into your phone wall socket and connect your devices instantly.

Key Features

• 1-to-2 Splitter: One male RJ11 input splits into two female RJ11 outputs for modem and phone simultaneous use
• DSL Filter Built-In: Filters out DSL signal interference to keep voice calls clear and internet speeds stable
• Universal Compatibility: RJ11 6P4C / 6P2C connectors compatible with most ADSL modems and standard telephones
• Sturdy Construction: Plastic + metal build for reliable, long-lasting everyday use
• No Tools Needed: Simple plug-and-play installation — no wiring or technical expertise required
• Compact Design: Low-profile form factor, ideal for home offices, living rooms, and desks
• Color: White — blends seamlessly with standard wall plates and telephone equipment

What's in the Box

• 1 × DSL Filter Splitter (RJ11 Male to 2× Female, 6P4C / 6P2C)

Specifications

• Connector Type: RJ11 6P4C (male) / RJ11 6P4C & 6P2C (female)
• Material: Plastic + Metal
• Color: White
• Application: ADSL broadband / telephone line splitting

For more information on home networking and telephone wiring standards, visit the National Institute of Standards and Technology (NIST), a trusted resource on communications technology standards.

Frequently Asked Questions

Q: What does a DSL filter splitter do?

A: A DSL filter splitter allows you to connect both your ADSL modem and a telephone handset to a single RJ11 wall socket simultaneously. The built-in DSL filter separates the high-frequency internet signal from the lower-frequency voice signal, preventing interference so your calls stay clear and your internet connection remains stable.

Q: What connectors does this RJ11 splitter use?

A: This DSL filter splitter features a male RJ11 6P4C plug that connects to your wall socket, and two female RJ11 ports (6P4C and 6P2C) for connecting your modem and telephone. These are standard connectors compatible with the vast majority of ADSL routers, modems, and telephone handsets.

Q: Is this DSL splitter easy to install?

A: Yes — installation is completely tool-free. Simply plug the male RJ11 end into your telephone wall socket, then connect your ADSL modem to one female port and your telephone handset to the other. No wiring, no configuration, and no technical expertise needed.