Amazon.com: USBGear USB 2.0 Audio Adapter Box with Line Input and Mic Input : Electronics
Amazon.com: Headset Buddy Line-Level Audio Adapter with Built in Attenuation for iPhone, Smartphones, Soundboards and Mixers (iPhone-Mic-Line) : Electronics
Line Level Audio Plus Headphone Adapter | Headset Buddy
Line Level Audio Cable | iPhone Attenuator Adapter for Line in Recording
MRCOOL 3/8 in. Flare to Sweat Line Set Adapter for Universal WF-38
Adapter for Shure, Axient Digital, TOA, PGX1, Line 6
Eastman 8 ft. Braided Dishwasher Supply Line with Adapters, 41132 at Tractor Supply Co.
AC/DC Line adapter 12V DC 1A Positive center 2.5mm - Retroamplis
Does this also work as a microphone jack / audio line in adapter? - Apple
Line Level Audio Cable | iPhone Attenuator Adapter for Line in Recording
BRAKE LINE ADAPTER FOR MASTER CYLINDER 1/2 20 male X 7/16 24 female 1/4" line | eBay
Brake Fitting Adapter Kit, 3/16" Tube (3/8-24 IF) to 1/8 NPT | Pegasus Auto Racing Supplies
Line output converter, Hi to Low level adapter, Speaker to RCA converter ON SALE | eBay
Male GM 3/8" Fuel Line to -6AN Adapter - Russell #640940 - WARR Performance LLC
GM 3/8" Fuel Line to -6AN Adapter - Russell #644123 - WARR Performance LLC