Feature

●Dual output dual-channel amplifier 15W+15W; input voltage range is AC/DC 9-18V; can be connected to 4 to 8 ohms/ 10 to 50W speakers.
●The audio amplifier is suitable for AC and DC circuit usage; with CBB capacitance of 2200UF/25V.
●Both power supply input and the audio output use terminal block, easy to install without electric iron.
●It has the fan for cooling and is soldered already , compatible with bookshelf speaker, floor speaker,home car vehicle auto, computer DIY speaker.
●Audio input adopts 3.5mm Universal stereo jack, you can easily connect the amplifier to phone,computer,MP3,IPAD.


Description

Power Supply: AC/DC 9-18V, 12V 2A Recommend
Output Impedance:4-8 ohms
Efficiency: up to 90%
Output Power: 15W + 15W
Chip: TDA7297 Dual-Channel Amplifier Module

Package Includes:
2 X TDA7297 Amplifiers

After testing, No any noise is powered by the battery above DC12V, 2A and the transformer power supply above 12V, 30W.
If it is powered by switched power supply or other variable power supply, it will bring some low noise.