Audio Power Amplifier Ak45 Stereo Audio Power Amplifier 2 Channel Home Audio Amplifier 40w 40w Stereo System Mini Digital Audio Power Amplifier Home Theater Stereo Amplifier Amp Subwoofer[2. 0 Channel Stereo Output]: AK45 Digital Audio Amplifier, simple compact but practical and powerful, provides 40W+40W rated power, 2. 0 channel, low distortion supplies a clearer, stronger and more powerful sound, designed for the customers who pursue sound. [Wide Applications]: This home audio power amplifier, with AUX, MIC, , USB input, used audio from external devices, such as TV, PC, computers, , notebooks, phones, MP3, and with etc, great for