DROK Micro Stereo Amplifier Amplify Board 6V to 18V Power Supply Digital Amp Module Electro Portable Ampli Dual Channel 15W+15W with 12V 2A Switch Power Supply Adapter Voltage Regulator

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 Note: This board is equipped with heat sink and is midly hot in middle volume. But we suggest you to use larger heat sink if you always use it in loud volume 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 Apply to: Power supply adapter; switch power supply voltage transformer; mini TV; 2.5 inch mobile disk; mobile DVD; TV box; wireless video equipments; charging devices; MP3/MP4; small table lamp; router; switch; consoles; mobile phones; camera head; monitoring equipments; controller,etc. Package includes: 1PCS TDA7297B module 1PCS Power supply