How much does this cost to the nearest dollar?

Audio-Technica System 10 Wireless Lavalier System
Audio Technica’s System 10 is a digital high fidelity wireless system designed to provide performing musicians and presenters with advanced 24 bit operation, easy setup and clear, natural sound quality. Operating in the 2.4 GHz range, far from TV and DTV interference, System 10 offers extremely easy operation and instantaneous channel selection. Up to eight channels may be used together without any frequency coordination problems or group selection issues. System 10 receivers and transmitters offer an easy to read digital ID display. System 10 wireless ensures clear communications by providing three levels of diversity assurance frequency, time, and space. Frequency Diversity sends the signal on two dynamically allocated frequencies for interference free communication. Time Diversity sends the signal in multiple time slots

Price is $400.00
Price: $399.95