How much does this cost to the nearest dollar?

IDOLPRO Professional Intelligent Dual Wireless Auto Noise Cancellation Microphone System
Created for active musicians and presenters who also manage their own sound. It improves your performance and simplifies your setup. Innovations such as automatic frequency selection and automatic transmitter setup make wireless quicker and worry free. The IDOLpro features the crystal clear sound quality pro audio engineers trust. IDOLpro Microphone set is the perfect match for traveling DJs/KJs. With in frequencies per microphone, you'll never run into any interference. The automatic frequency scanning technology scans the area to see what frequencies are not in use and selects that best one for you. The microphone is programmed to that frequency via infrared technology. Features Frequency range 900 MHz Dual wireless microphones with one receiver. Receiving Mode Double turning automatic selection Vibration

Price is $399.00
Price: $399