A home theatre uses
approximately 157 to 315 watts; on average, it operates for about 5 hours a
day.
Enter the number of usage hours and power setting (in wattage), then click "Calculate"
to find the power consumption
of home sound system using 315 watts for 5 hours
a day at $0.12 per kWh. You will also see the running cost per hour, day, week, and year.