25 Foot Telephone Cable 4P4C/ RJ11 to bare wire Black
Amazon.com: RetailAndBulk 1FT RJ11 Telephone Cord - Pro Grade Landline Phone Cable, 4 Wire, 100% Copper, Thickest Gold Contacts, Heavy Duty PVC Jacket (Straight, 1 Foot, Black) Made in USA : Electronics
Is 4-wire RJ11 cable NOT supported by the 16SoundsUSB? · Issue #4 · introlab/16SoundsUSB · GitHub
Amazon.com: NEORTX RJ11 to RJ11 Cable 3ft, 1 Meter Phone Cord Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax Machine (White) : Electronics
Amazon.com: RJ45 to RJ11 Cable, 6 Feet Phone Jack to Ethernet Adapter RJ11 6P4C Male to RJ45 8P8C Male Connector Plug Cord for Landline Telephone : Electronics
C2G 14ft RJ11 Modular Telephone Cable RJ 11 Male RJ 11 Male 14ft Silver - Office Depot