Bluetooth Car Amplifier Subwoofer Car Audio Slim Under Seat Active Subwoofer Bass Speaker Auto Woofer Music Player Name: Car stereo Rated power: 250W Total Harmonic Distortion: 90dB Frequency Response: 20Hz-150Hz High level input sensitivity: 1V Low level input sensitivity: 300mV Low pass filter: 50Hz-150Hz Bass Boost: 0 to +12dB High Pass Filter: 20Hz Fuse rating: 25A Note: When the package arrives at the customs of your country, you need to pay taxes and pick up the package. We are not responsible for paying customs duties or import taxes! Note:1. If you choose "Seller's shipping method", please note that this shipping fee is only applicable to some countries / regions, so after you pay, please contact us and we will confirm with you. Zh2. When the parcel arrives at your local customs, please pay the tax and take the parcel away. We do not bear any customs duties or import taxes. If the customs fails due to the buyer's reasons and the goods are returned or destroyed, we will not refund any money.3. If you choose DHL, FEDEX, TNT, UPS, EMS, we will help you arrange international express delivery and deliver directly to your address (door to door service)! If the goods are delivered by courier, the buyer is only required to pay taxes upon arrival.4. Before signing, you must check the package to make sure it is in good condition, and then sign it. If the package is damaged, please take a photo, then immediately complain to the shipping company, remember the complaint number, and then contact me, we will definitely help you.5. Our working hours: 9: 00-18: 30 Beijing time. In the meantime, we will respond to your message promptly. During the break, we may not be able to reply to your message, please understand. We will reply you within 24 hours. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.