The Furman F1500-UPS Home Theater Uninterruptible Power Supply protects your sensitive A/V gear from power loss with its multitude of features. This power supply not only uses SMP surge suppression technology and EVS Extreme Voltage Shutdown, but also employs Linear Filtering Technology (LiFT) to 4 discrete isolated outlet banks for full dynamic range and higher definition. If your equipment has to run on battery power, the F1500-UPS employs True Sine Wave output and can expand with additional hot swappable BATT1500E-EXT battery packs which can be daisy-chained.