Crown XLS-402 Amplifier Supply

2 × 300W/8Ω 2 × 450W/4Ω 1 × 900W/8Ω 
 XLS402 contains a series of excellent features and excellent reliability. On each channel by the third gear high-pass filter options, including (30Hz/15Hz / off). For the full-range speaker, you can choose 30Hz or 15Hz, is used to prevent unwanted ultra-low frequency signals overload woofer. For the subwoofer, you can turn off. 
 Metal package output devices, although it than the other manufacturers use more expensive plastic output devices, but its high efficiency and reliability. 
 Use of advanced equipment to detect the power curve for each device and peak power handling capability, and then brush selection and matching. 
 All steel chassis with rugged, and configure the fan to prevent excessive high heat forced accumulation.