If you are going to use cheap headphones assume that they are 16 ohms impedance if you are going to use expensive studio-style headphones assume that they are 32 ohms impedance (unless you know that they are more–some really expen$ive headphones are rated much higher, up into the hundreds of ohms). Most home-stereo speakers are 8 ohms, and most small component system speakers (such as the surround ones that come with many TV sets these days) are usually 4 ohms–but the audio circuits can handle a small range of impedance, so anything from 4 to 8 ohms is acceptable (and even a bit beyond those limits, really). This is assuming that the TV’s speaker-outs are around 4-8 ohms, which most usually are.The “1” side hooks up to the TV’s speaker-out connections, and the other coil would hook up each to one channel on the headphone jack–by whatever means necessary (IE, put a 3.5mm socket on there or whatever).
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