D-Class audio amp makes your Handheld's speaker loud as ****. Two available options: 

1) Just the D-Class Amp by itself

2) The D-Class amp as well as a variable resistor circuit (so you can adjust for max volume vs quality), which also can combine sterio audio into mono. Board coming soon!

Instructions coming soon!

D-Class Amp Kit

$3.00Price
D-Class Amp Kits