Mini Wireless Bluetooth Power Amplifier - 40W Smart Compact Small Home Audio Stereo Receiver w/ AUX, 2 Microphone IN, COM/8-Ohm/25V/70V Speakers, LED, For Amplified Speaker Sound System - Pyle PCM21BT 40 WATT POWER: The Pyle Compact Bluetooth Power Amplifier gives your entertainment or PA system a boost! Provides convenient amplified speaker control w/ COM, 8-Ohm, 25V, and 70V speaker outputs. Connect up to 4 speakers with up to 8 ohm impedance 3 INPUTS: The portable home amp box features  AUX audio input w/ the ability to connect external devices such as tuner, CD player or tape deck. Also features 2  microphone input (MIC1/2). MIC 1 features automatic mic-talkover priority function BLUETOOTH-COMPATIBLE: The smart professional small indoor house stereo receiver is equipped w/ bluetooth wireless music streaming. Works w/ todays latest devices including smartphones, tablets, laptops and computers with hassle-free receiver pairing INDEPENDENT VOLUME CONTROL: The sound speaker amplifying device has crisp buttons for the power switch and input selector, independent volume control knob for each input. Additional features include LED indicator, speaker transformer compatibility FRONT PANEL CONTROL CENTER: The mini compact amplifier features front panel button control center. Has crisp power on/off button switch, bass, treble tone controls, convenient audio control w/ 50-15kHz frequency response, replaceable fuse for safety