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500W RMS plate power amplifier
Two speaker outputs with 250W RMS output each channel
2 XLR-1/4” combo inputs, 2 XLR (through) outputs
Over current and short circuit protection
Sturdy and reliable
Sound Town Class-D Plate Amplifier for PA DJ Subwoofer Cabinets, w/ Speaker Outputs, LPF (STPA21-710) The Sound Town Class-D plate amplifier enables you to build your own powered subwoofer cabinet. The STPA21-710 power amp is equipped with 2 XLR-1/4” combo inputs and 2 XLR (through) outputs. It handles formidable 500W RMS power. Each of the speaker output generates 250W RMS power and allows you to connect two passive PA speakers with the amp. The plate amplifier also comes with master volume control, Low Pass Filter (LPF) adjustment and a polarity switch.