Features: _x000D_ 1. Adopt high quality TDA2822 power amplifier chip. _x000D_ 2. Output power (0.1-5W) * 2 dual channel. _x000D_ 3. Powered by DC5-12V, wide supply voltage. _x000D_ 4. Stable performance, long service life. _x000D_ 5. Sound quality is very good by using this volume audio module. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Supply Voltage: DC5-12V _x000D_ Channel Type: Dual Channel _x000D_ Power: (0.1-5W) * 2 _x000D_ Weight: Approx. 21g / 0.7oz _x000D_ Size: Approx. 46 * 62 * 15mm / 1.8 * 2.4 * 0.6in _x000D_ _x000D_ Package List: _x000D_ 1 * Volume Audio Module 1Adopt high quality TDA2822 power amplifier chip. 2Output power (0.1-5W) * 2 dual channel. 3Powered by DC5-12V, wide supply voltage. 4Stable performance, long service life. 5Sound quality is very good by using this volume audio module.