Has dual 5 W circuit power amplifier. it can not be used in addition to the power amplifier. the output of two amplifiers can not be connected in parallel or connected to the negative electrode, otherwise the chip power amplifier will be damaged.F power amplifier class 5W + 5W, high output power, more than 8002 the sound quality.There are two 2-8 European and 3-10 W speakers respectively, and 3 European 5 W and 4 European 10 W horn are used. the output is stereo.Start the Bluetooth cell phone, the scanning device, find the "DW-CT14 +" click connection.