A quiet fan system designed for cooling receivers, amplifiers, DVRs, and other AV components. Protects components from overheating, performance issues, and shortened lifespans. LCD thermostat programming with six speed controls, alarm alerts, failure triggers, and memory. Contains three dual-ball bearing blowers with PWM-controlled motors to minimize noise. Dimensions: 17 x 13.5 x 1.5 in. Exhaust: Front Airflow: 160 CFM Noise: 24 dBA