Compact 4 Channel Digital Amplifier. 1U Rack Mountable. Reliable Efficient Operation Down to 2 Ohm Loads. Variable Speed Fan Cooling. Status and Protection Indicators. Stereo- Parallel or Bridge Modes. Output Limiter. Balanced XLR Inputs & Speaker Outputs. Thermal- Overload & DC ProtectionPower Supply: 90-260Vac- 50/60Hz Power 8 Ohms: 4 x 150W Power 4 Ohms: 4 x 225W Power 2 Ohms: 4 x 435W Power Bridged 16 Ohms: 2 x 300W Power Bridged 8 Ohms: 2 x 510W Power Brdiged 4 Ohms: 2 x 870W Signal Inputs: XLR Speaker Outputs: Speakon Dimensions: 483 x 370 x 44mm Weight: 9Kg. The Studiomaster HX4-600 Digital Power Amplifier is a versatile audio amplifier that provides four channels of highly efficient power in a compact 1U form factor. These amplifiers are suitable for various applications- including installations- rentals- and touring. The power output of the HX4-600 is 4x 255 watts when operating at a 4-ohm load. The amplifier can run at 8- 4 or 2 ohms- making them suitable for demanding installations and applications where lower impedance speakers are used. One notable feature of these amplifiers is their lightweight and compact design- which makes them easy to transport and install. Despite their small size- they offer high-performance power ratings and features- ensuring reliable and efficient audio amplification. The HX4-600 amplifiers are equipped with power factor correction (PFC)- which helps optimize power usage and improve energy efficiency. They also feature universal power supplies- allowing them to operate within a wide voltage range of 90-250VAC. Whether you need amplification for installations- conferences- entertainment events- or smaller touring and rental setups- the Studiomaster HX4-600 amplifiers offer the performance- power- and reliability required in a compact and affordable package.. amplifier-rack mount amp-commercial amp-amp