The Inter-M DPA-430H is a highly compact 4 x 300W 100v line Power Amplifier ideal for public address / background music installation systems where space is at a premium and for systems with multiple zones or requiring individual level control of each loudspeaker group.Featuring thermal DC and overdrive protection this powerful 4 channel x 300W amplifier is contained in a highly compact 1U 19 rack mounting enclosure.•4 x independent 300W output power•4 x phoenix balanced inputs•Thermal protection circuit•High pass filter•Fan cooled•Individual volume and trim (internal) control per channel•1U high 19 rack mounting