Radio Design Labs HD-MA35U 35 Watt Mixer Amplifier - 4/8 Ohm Outputs

During power-up and power-down, the amplifier and preamplifier outputs are protected against clicks, pops and thumping by internal soft-start solid-state switches. A blue POWER LED illuminates when the HD-MA35U is powered from its external 24 Vdc power supply (included). The power LED is dim when the mixer amplifier is in the standby mode, and is bright when the amplifiers are fully active. A front-panel pushbutton is provided to manually cycle between standby and active modes. The power amplifiers are equipped with both thermal and output short-circuit protection. The high-efficiency Class D output stages produce minimal heat for all levels of expected voice or music modulation.