Description: Product Name: Digital Audio Power Amplifier Board; Model: XR-257 ; Number of channels: mono Input voltage: AC24V; Input current: 5A & 300VA Input anti-group: 1K?; Input signal: 1.8V Magnification: 33 times; Work type: AD class Output power: 420W; Output anti-group: 4-8? Specification: Product Size: approx. 110x102x30mm/4.33x4.02x1.18inch Package Includes: 1Piece Digital Audio Amplifier Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you!
