Description: 【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 HiFi sound. 【Wide Applications】: This home audio power amplifier, with AUX, MIC, SD, USB input, used audio from external devices, such as TV, PC, computers, , notebooks, phones, MP3, and projector with AV audio etc, great for indoor outdoor, party, car, teaching use. 【With Mic Function】: The home audio amplifier receiver with two Microphone input jack, you can sing karaoke with families or friends at home, designed with volume, treble and bass control knobs, you can easily adjust as needed to get the sound you want. 【With Blue Light Design】: Power amplifier, Metal body with LED lights for the volume knobs, make the product looked beautiful 【Easy to Use】: Hifi stereo amplifier, with remote control for distant audio adjustments, can read SD card and USB MP3 player, great for home theater system use, strong anti interference ability, low noise amplifier, HiFi sound effects, you can experience the effect of immersive. Specification: Material: Iron Size: 180mmx140mmx65mm Rated Power: 40wx2 Rated Frequency: 20-20khz Resolution: 47k Distortion Rate: 0.5% Signal Noise Ratio: 85db Impedance: 4-16 Ohms Amplifier Type: Hifi Amplifier Package Includes: 1Pcs AK45 Audio Power Amplifier 1Pcs Remote Control 1Pcs US Adapter Note: Please allow slightly errors due to manual measurement and different monitors.