It makes sense to try and keep all of the signal levels in the same format: usually that means balanced and at a nominal professional line‑level (+4dBu). If you do need to mix and match balanced and unbalanced, or pro and instrument levels, then I’d suggest that you try and keep each group apart, in different zones on the patchbay. This will minimise crosstalk and the potential for confusion (see the ' Balanced & Unbalanced' box for more). If a CTIA headset is connected to a mobile phone with OMTP interface, the missing ground will effectively connect speakers in out-of-phase series, resulting in no voice on typical popular music recordings where the singers are in the center; in this case, if the main microphone button is held down, shorting across the microphone and restoring ground, the correct sound may be audible. [48] Standard Note: This table provides general information on TS, TRS, & TRRS cables and may vary depending on specific applications and equipment. Refer to the manufacturer’s recommendations for your specific setup. TS and TRS Troubleshooting

Although early in the article it mentions people buying something that ends up not working because the bought the wrong style, it does not mention if there is any interchange ability with the different styles without adaptors. Additionally, a custom-made TRS cable is easily achieved to your specifications. This implies that there are chances of getting the TRS that suits your demands. The only role you play is to provide us with your specifications. Gary D. Davis and Ralph Jones (1989). The Sound Reinforcement Handbook. Hal Leonard. ISBN 0-88188-900-8.E.g. you won’t need an additional DI-box for balancing your signal, if you’re coming out of a P-SPLIT II or LITTLE DUAL isolated out. However, the XLR cable is compatible with any application using three wires. It is essential for transmitting balanced signals. One "typically TS application" that would definitely present an issue is the connection between a guitar with active electronics and an effects unit (stompbox). Another reason is as a result of cost. The belief is that purchasing the TRS balanced cables is more expensive than the unbalanced counterpart.

Devices that use a self-powered microphone: usually a condenser microphone with an internal battery-powered amplifier.Where space is a premium, TRS connectors offer a more compact alternative to XLR connectors, and so are common in small audio mixing desks.