The ART HVA Series 1 is a class-D installation amplifiers. It is suitable for both 70/100V line installations (selectable through dip-switches). Each channel has its own gain control and LED indicators (signal, clip and protection). The input and output connections are made through Euroblock connectors. The amplifiers are a 1U rack 19-inch size is very appropriate for many types of installations, taking advantage of its multichannel design.
HVA1/HVA4 has a variable speed internal cooling fan. This allows the air to flow through front grill to keep the amlifier cool even under extreme operating conditions. Please keep these vents clear and free from any obstructions to insure proper cooling.