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RJ12 Male to Dual RJ12 Female DSL Line Filter Adapter - 6P2C - Straight Pinout

6P2C | Gold-Plated Contacts | Plastic | Straight Pinout | Filter Out Unwanted Noise
97 % of 100
Quantity Discount Pricing
1-4 5-9 10-49 50-99 100+
$6.99 $5.89 $5.59 $5.29 $4.85

A DSL line filter will filter out the unwanted noise and connection problems that DSL internet service causes on a telephone. The filter consists of a plug which plugs into the wall outlet and 2 jacks. These jacks are clearly marked telephone and DSL for proper connection.


  • RJ12 plug to dual RJ12 jacks
  • 6 position, 2 conductor
  • Gold plated contacts
  • Color: White
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Product Questions

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Q: What is the difference between an RJ11 and an RJ12 connector?

A: Both connectors are the same size and appear the same. However looking at the contacts an RJ11 will only have 4 contacts. An RJ12 will have 6 contacts.

Q: What are the terms 4P4C 6P4C and 6P6C referring to?


4P4C: 4 Position 4 Conductor ( RJ22) - used for Telephone Handset cables.

6P4C: 6 Position 4 Conductor (RJ11) - used for ADSL telephone and modem cables.

6P6C: 6 Position 6 Conductor (RJ12) - used in System phones.

Q: Which adapter or splitter should I use. Reverse or straight?

A: Newer phones can use a straight or reverse pinned line cord. If you’re unsure of the age of your phone a reverse pinned cord will work with any age phone