Drive-thru headset systems and timers from ESSE work to optimize employee productivity and drive-thru service, speed and sales.Drive-thru headsets and drive-thru intercom systems employ the latest in sound technology to dramatically improve communication between your customers and employees. You benefit from faster service times, greater order accuracy and increased profitability. And all ESSE drive-thru headsets and timers are constructed from quality parts for long-lasting reliability. LISTEN FOR YOURSELF ! HD Audio transforms the drive-thru conversation with better sound clarity and less noise. http://www.hme.com/eossounddemo_nonav/