Pyle Bluetooth Home Audio Amplifier Receiver Stereo 300W Dual Channel Sound Audio System w/MP3, USB, SD, AUX, RCA, MIC, Headphone, FM, LED, Reverb Delay, for Home Theater Speakers, Studio - PDA69BU ...

Amplifiers are an invaluable tool in this day and age. It’s a way to increase the power of a signal, power that the signal wouldn’t be able to achieve on its own. So, with an amplifier, you can make ...