DROK Mini Ampli Board 6V to 18V Portable Stereo Amplifier Digital Amp Module Audio Amplify Dual Channel 15W+15W;

TDA7297B Parameters:
Voltage：DC 9V to 18V(suggest you to use 12V DC in at lease 2A)
Power: 15W+15W
Peak power: 30W+30W
Output anti-resistance: 4 to 8 ohm
Features:
1.Adopts TDA7297 dual-channel amplifier chip; DC power supply and can use 12V battery as direct power supply
2.With potentiometer knob and heat sink on the board and can be used simply by connecting its wires
3.Working efficiency as high as 90%, quite enery-saving; the amplifier can play continuously for 5 hours with 12V motor battery as power supply
4.Has wiring terminals(please use screwdriver) and requires no electric iron for fast wiring connection
5.You can use this amp board for DIY speaker, easy and convenient; reasonable circuit design; has no impact sound and static noise
6.Its PCB circuit module adopts 1.6mm-thick FR-4 high-quality fiberglass;there are fixing holes if you want to use larger heat sink
Power supply:
Input voltage: AC 100 to 240V 50/60Hz
Output voltage: DC 12V
Output current: 2A Max
Voltage accuracy: +/- 5%(in empty load)
Power supply polarity: inside is the positive and outside is negative
Speaker Parameters:
Outer diameter: 78mm
Speaker height: 52mm
Anti-resistance: 4Ω
Diagonal screw hole distance: 83mm
Sensitivity: 90dB
Effective frequency: 108Hz to 20KHz
Hole diameter: 71mm

Package include:
1PCS TDA7297B module
1PCS Power supply
2PCS Speakers