Come to think of it, this mod wouldn't even be necessary (though, we suppose it would still be useful) had HTC bothered to put a 3.5-millimeter headphone jack on the T-Mobile G1, but alas, we're stuck with some random ExtUSB port. In order to make that output jack compatible with the litany of iPod peripherals (namely sound systems), the modders over at WebNetta figured out what pins linked to what in order to connect the G1 to Made for iPod gear. Best of all, the secrets of the connections are all spilled out in the read link should you care to try this yourself, but please, tidy things up a bit if you do.