Nobsound TDA7498E Dual Class-D Digital Audio Amplifier HiFi Amp with Power Supply This is our Douk audio own brand Nobsound, Mini size with super large power, suitable HiFi appreciate, simple easy to use, performance and prices are very good, you deserve to have. Nobsound NS-04P is an integrated amplifier, TDA7498 is a dual BTL Class-D audio amplifier chip, power is 160WX2 (extreme conditions Power = DC36V measured) Small size, high efficiency and high power, drive dual 8-inch speaker no pressure, Gain 30 times, don't need to use preamp. With High-quality power adapter: Input 100-240V / Output 19V_3.42A high-quality power supply, 1.5M long full copper power cord Size: 90*110*36 mm / 3.54*4.33*1.42 in; Net weight: 0.42 Kg / 0.93 lb (1 Kg / 2.20 lb with package)