The Pyle Pro PTAU45 amplifier, with 2x120 W power, empowers your stereo system, delivering powerful and accurate sounds. This Pyle Channel Amplifier has simple and durable Bass and Treble Controls features that allow you to fine tune the audio system. The Switchable AUX1/AUX2/CD/USB inputs of this is 2-Channel Amplifier, combined with its switchable microphone, pager, and mixing modes, make this an all purpose Pyle Channel amplifier that can be used at home, office, etc. You can play audio directly from a flash drive, as this Pyle Pro PTAU45 features USB reader function facility. The blue LED lights on this 2-Channel Amplifier display the output level of the system. This 4.46 lb Pyle Pro PTAU45 is compact and light-weight, making it highly portable.