BKL Electronic XLR 3.5 mm audio jack 630406 - BKL 1103092, The BKL Electronic 3.5 mm audio jack plug, model number 1103092, is a gold-plated, straight connector featuring four pins for stereo sound. Manufactured by BKL Electronic, this high-quality plug is ideal for creating custom audio cables or repairing existing ones. Its typical applications include use in headphones, audio devices, and professional recording equipment. BKL 1103092 Stereo Gold 3.5mm Audio Jack Plug Straight 4 Pins