Electronic Spirit Dispenser. The ETN4 electronic spirit dispenser is designed to meet all the demands of the modern bar. It's easy operation and maintenance provides the ultimate management tool enhancing the look of your bar. The ETN4 is available with resettable digital counters ensuring quick, accurate assessments and greater profitabilty. With the turn of a key the ETN4 maximises security in bars. The ETN 4 system is an investment in better bar management and profitablity.