Circle Labs M500

The M500 is a hybrid power amplifier that combines years of experience in amplifier design, cutting-edge technologies, and custom-designed circuits developed from the ground up. The M500 offers monoblock operation (fully balanced circuit) with 600 W at 8Ω and up to 1.2 kW at 4Ω. In stereo mode, its power output is 180 W at 8Ω and 340 W at 4Ω. It features a three-step sensitivity adjustment, increasing versatility in preamplifier selection.