Car audio amplifier for MP3 with subwoofer and LVpin 8381、Made of aluminium material, have both tech and fashionable, provides you a high texture experience. 2、MP3, iPod, player input jack, 20W max power output, 2.1CH, low distortion, great for use on your vehicle or your home. 3、Overload, Short circuit, Over temperature protections. 4、Lightweight and portable, will not occupy the space in your car/home. 5、Treble and bass adjustable, volume control function, powerful and convenient, you can create your style easily. 6、Power switch control, equipped with power light and signal indicator lamp. 7、Low distortion supplies a clearer, stronger and more powerful sound. 8、Heart-to-heart volume control: Treble and bass adjustable, volume control function, powerful and convenient, you can create your style easily. Low distortion supplies a clearer, good, and more powerful sound. 9、Wide scope of application: MP3,Smartphones, iPad, Tablets, etc, player input jack, great for use on your vehicle or your home. 10、Superior quality: This stereo amplifier is made of aluminium material, have both tech and fashionable, provides you a high texture experience. 11、Strong self-protecting function: Overload protecting function,Short circuit protecting function,Over temperature protecting function. These will make it durable, low distortion and good sound quality. 12、Not occupying space: This stereo amplifier is very lightweight and portable, will not occupy the space in your car or home. And easy to carry 13、Overload protecting function.Short circuit protecting function.Over temperature protecting function.Lightweight and portable, will not occupy the space in your car/home.