Microphones definition: A Microphone is a device that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearin... Microphones Product Listing: AKU240,AKU345.Audio Products type:Accessories(132142),Alarms, Buzzers, and Sirens(6697),Speakers(4224),Microphones(2207),Vacuum Tubes(1481) .Microphones has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the MOST.