Stereo Amplifier From Tangxi, Mini 20W 2 Channel Hifi Stereo Bass Power Product Features Reasonable circuit layout and concise wiring can ensure that HiFi sound is clear and pure, and no noise will be heard even at high power output. The appearance is very practical and beautiful at the same time. Small size, exquisite appearance, stylish and durable aluminum alloy shell, easy access to mobile phones, DVD players, computers, MP3, support various audio input devices, very suitable for home and desktop audio systems. The low-frequency output is specially designed to connect active speakers, and can greatly enhance the bass effect. Through treble and bass control, the sound is more delicate, and the shocking auditory effect makes you feel like a movie theater. RCA and 3.5mm audio input, support various audio inputs, such as mobile phones, DVD players, computers, MP3/MP4, etc., very suitable for use in your vehicle or home, you can fully control the volume, treble and bass output. Before the product leaves the factory, every link will be carefully tested to ensure that the products delivered to you are qualified and usable, but if you are not satisfied with some details of the product and the way of use, please feel free to contact us, we Will properly solve your problem. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!