Check the listing for details. 4-Pin Speaker / Source / Amplifier Selector Plug Speakercraft Nuvo B&K. Condition: New. Listed at 5.18 USD. 4-Pin Speaker / Source / Line Driver Selector PlugThis is a 4-pin speaker plug that can be used with the following models of electronics. This plug is compatible with many other brands not listed below. Feel free to message me about compatibility with your product. SimaSSW-L4EX, SSW-L6EX, SSW-6HPXantechMRC88, MRC44, MRAudio4x4, MRAudio8x8Electro-VoiceC4.2, C8.2, EVID 4.2, EVID 6.2, ZX1iB&KCT600, CT602, CT610, CT300, CT310RussoundR1250MC, R850MC, R275HC, DPA-6.12BoseLifestyle SA2, SA-2, SA3, SA-3NuvoNV-P2100, NV-P3100, NV-D460, NV-D2120, NV-A4SpeakercraftS4dc, S8dc, S4VC, S6VCProficient SS4P, SS8P The plug will be sent by regular parcel with no tracking number. This allows me to keep your shipping cost as low as possible. If you would like a tracking number, you can select a different shipping option at checkout. THERE ARE MANY OTHER BRANDS COMPATIBLE WITH THIS PLUG NOT ON THE LIST. FEEL FREE TO MESSAGE ME ABOUT COMPATIBILITY WITH YOUR PRODUCT. YOU ARE RESPONSIBLE FOR MAKING SURE THIS PLUG FITS WITH YOUR PRODUCT. Item #49