Active Thermal Management Dual Mode Component Cooler 01-008-01 Use above or below your hot components Ultra-quiet fans Thermal switch kicks the fan speed up a notch at 90F The Dual-Mode Component Cooler supports up to 100 pounds, so feel free to load it with your heaviest amplifier. The twin 120mm fans are running on less than their rated 12 volts so are extremely quiet at their normal speed.