How much does this cost to the nearest dollar?

Sennheiser Pro Audio Rackmount True Diversity Receiver (EM 100 G4-A)
Sennheiser EM 100-G4 Rackmount true diversity receiver. For use with Sennheiser SK, SKM, a nd SKP transmitters. GA3 rackmount not included, frequency range A (516 - 558 MHz). Rackmount true diversity receiver, GA3 rackmount not included, frequency range A (516 558 MHz) True diversity half rack receiver in a full metal housing with intuitive LCD display for full control Easy and flexible wireless synchronization between transmitter and receiver via infrared Fast frequency allocation for up to 12 receivers via new linking functionality Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range Up to 20 simultaneous

Price is $
Price: $399.95