How much does this cost to the nearest dollar?

Sennheiser HSP 2-EW-3 omni-directional beige headworn microphone
Beige, steel wire cable with 3.5 mm mini-jack. Suitable for Sennheiser SK 100, SK 300 and SK 500 evolution wireless series bodypack transmitters. For wired applications, the headmic can be used with the intelligent MZA 900 P phantom power adapter. Individually adjustable to all head sizes Neckband design keeps the microphone clear from shirt-collar or clothing Extremely thin microphone boom (Ø 1.1 mm), can be attached to the left or right side Microphone boom is adjustable in length and angle Patented Umbrella Diaphragm protects the microphone against sweat Weight 6.5 Grams, Dimensions 9.37

Price is $549.00

Price: $549