


TRRS (Tip-Ring-Ring-Sleeve): 4 conductors or poles.TRS (Tip-Ring-Sleeve): 3 conductors or poles.The terminology for these different combinations is as follows: For instance, plugs with one ring are 3-conductor plugs, while those with no rings are 2-conductor plugs. What differentiates each plug is the number of rings. The different headphone plug conductors have specific names, which are:Īll headphone plugs have a tip and sleeve.
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How to Identify Headphone Plug Conductors Diagram of conductors on a headphone plug. In other cases, mismatches can also trigger an electrical short. This incompatibility can then cause some signals to override others, thus interfering with specific functions of your headphones. If a mismatch occurs between the conductors on the plug and jack, they won’t line up and make complete contact. Hence, it can also be called a “3-pole plug.”Īs mentioned in the previous section, compatibility is a significant factor for conductors. A headphone plug with three conductors is called a “3-conductor plug.” Some manufacturers, however, use “ pole” instead of “conductor”.
