Behringer A500 Professional 600-Watt Reference-Class Studio Power Amplifier Ultra-linear power amplifier for recording studios, post-production, live sound and HiFi application 2 x 300 Watts into 4 Ohms, 600 Watts into 8 Ohms in bridged mono operation Servo-controlled design can drive virtually any passive speaker such as studio monitors, etc. Advanced convection-cooling for absolutely noise-free and stable operation (no fan) Precise level meter and clip indicators for accurate performance monitoring