Amazon.com: Pyle Wireless Bluetooth Stereo Power Amplifier - 200W Dual Channel Sound Audio Stereo Receiver w/RCA, USB, SD, MIC in, FM Radio, for Home Computer via RCA - PDA29BU.5 : Electronics
What is a Power Amplifier? Types, Classes and Applications
Audio power amplifier - Wikipedia
Yamaha PX10 Stereo Power Amplifier (1000W at 8 Ohms) PX10 B&H
4 Channel 20000 Watts Class-D Professional Power Amplifier – D20K – Blastking