Mini Audio Amplifier Board, DROK Micro Stereo Amplifier Circuit Dual Channel 15W+15W TDA7297 Digital Amp Module 6V-18V 12v Power Supply Portable Ampli with 12V/2A Switch Power Supply Adapter

Mini Audio Amplifier Board, DROK Micro Stereo Amplifier Circuit Dual Channel 15W+15W TDA7297 Digital Amp Module 6V-18V 12v Power Supply Portable Ampli with 12V/2A Switch Power Supply Adapter

TDA7297B Parameters: <br> Voltage：DC 9V to 18V(suggest you to use 12V DC in at lease 2A) <br> Power: 15W+15W <br> Peak power: 30W+30W <br> Output anti-resistance: 4 to 8 ohm <br> Features: <br> 1.Adopts TDA7297 dual-channel amplifier chip; DC power supply and can use 12V battery as direct power supply <br> 2.With potentiometer knob and heat sink on the board and can be used simply by connecting its wires <br> 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 <br> 4.Has wiring terminals(please use screwdriver) and requires no electric iron for fast wiring connection <br> 5.You can use this amp board for DIY speaker, easy and convenient; reasonable circuit design; has no impact sound and static noise <br> 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 <br> Note: <br> 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 <br> loud volume <br> <br> Power supply: <br> Input voltage: AC 100 to 240V  50/60Hz <br> Output voltage: DC 12V <br> Output current: 2A Max <br> Voltage accuracy: +/- 5%(in empty load) <br> Power supply polarity: inside is the positive and outside is negative <br> Apply to: <br> Power supply adapter; switch power supply voltage transformer; mini TV; 2.5 inch mobile disk; mobile DVD; TV box; wireless video equipments; <br> charging devices; MP3/MP4; small table lamp; router; switch; consoles; mobile phones; camera head; monitoring equipments; controller,etc. <br> <br> Package includes: <br> 1PCS TDA7297B module <br> 1PCS Power supply <br>