Two New Digital Audio TPA3110 Amplifier Boards 30W DC10-24V Mono Class D Audio Board
One board has had pins soldered into it for testing, and the plugs come with it, too.
Description and features from the distributor:
TPA3110 PBTL Mono Digital Amplifier Board
Single-channel digital power amplifier Board PBTL
Amplifier Chip: TPA3110
Working voltage: DC 8~26V
Applicable Speaker Impedance: 8 ohm best
Description: Single-channel digital power amplifier Board PBTL Amplifier Chip: TPA3110 Working voltage: DC 8~26V Output power: 1X30W (Mono, if want stereo, request two) Applicable Speaker Impedance: 8 ohm best (4 ohm 6 ohms can also be used)