Ever noticed the black rings on a headphone jack? Learn what they mean, how they affect audio, and why some jacks have more than others.

TRS is also VERY common for balanced mono connections, in fact in any kind of sound reinforcement, studio, etc type of gear, if it has a phone jack on it, there is a very good chance it's balanced ...

W hen the TRS-80 — a personal computer from Tandy that would be sold via their RadioShack stores, hence TRS — went on sale on Aug. 3 in 1977, computers weren’t exactly new.

Howdy, Seems an odd one to me. I have a Sony Z4 tablet. Plug in my headphones, music plays no problem. Plug into one of a couple portable speakers, music plays no problem. Plug into a trs cable ...

If like us, you missed out on the TRS-80 Model I back when it first came out, relax .With this brand-new PCB that’s a trace-for-trace replica of the original and a bunch of vintage parts, you… ...

There are a few old products that have rabid fan bases, and the TRS-80 Model 100 is one of those. Depending on your point of view it’s either a small laptop or a large organizer, but in 1983 … ...

CPU: 1.77 MHz Z-80A RAM: 4K-16K Price: $599.95 with monitor (about $2,354 today, adjusted) The computer that launched the TRS-80 brand remains notable as of the famous trio of first consumer PCs ...