Model 3100196 Quantity 1 Color Black Material Glass fiber Specification Power supply: 14V to 19V Total quiescent current: FAN ONSTBY forbidden Typical 90mA; Frequency response: 20Hz to 20KHz(±3dB); 25W output power @THD = 10% 6 ohm 15V 20W output power @THD = 10% 8 ohm 15V; Operating Temperature: 0 to 50'C Storage Temperature: -20 to 105'C Features Perfect "Class D" architecture Adjustable four fixed gain settings: 25.6 dB 31.6 dB 35.1 dB and 37.6 dB Line level audio signal input Mounting holes facilitate installation and fixing Several wiring methods facilitate connection Excellent heat sink eliminates your worry on heat dissipation Over temperature protection Noise Reduction Application It is the ideal solution for any sound reinforcement installation or application needing an affordable compact PA system; Background Music Systems; Vending machines; Lifts; Interactive kiosks; Home DIY; Car audio English Manual/Spec YES Packing List 1 x Class-D Audio Amplifier Board TDA7492 1 x English user Manual User Manual: http://m5.img.dxcdn.com/CDDriver/CD/sku.204140.pdf