No.	PRODUCT	MANUFACTURER	PRICE	RATINGS	POPULARITY	LINK
1.	HiLetgo 10pcs Super Mini PAM8403 Digital Power Amplifier Board 2*3W Class D 2.5-5V USB Power	HiLetgo	£3.90	(from 4 reviews)	5.9	VIEW PRODUCT
2.	HiLetgo 50W + 50W TDA7492P 2x50 Watt Dual Channel Amplifier Wireless Digital Bluetooth 4.0 Audio Receiver Amplifier Board (Red)	HiLetgo	£8.49		5.5	VIEW PRODUCT
3.	tinxi® MP3 Format TF Card U Disk Decoder Decoding Audio Player Amplifier Module	Tinxi	£4.59		5	VIEW PRODUCT
4.	Stereo 3.7W Class D Audio Amplifier - MAX98306	Adafruit	£10.95	(from 1 review)	4.8	VIEW PRODUCT