Description Product Overview Ultra-compact size, allowing for easy installation without taking up space. Supports both line-level and high-level inputs, making it compatible with factory navigation/audio units or deck units without built-in amplifiers (i.e., no RCA output). Ideal for: Adding extra speakers (e.g., ceiling-mounted speakers), Powering tweeters or midrange speakers in a bi-amp setup, Cars with limited space for amplifier installation, Using with Beat-Sonic sound adapters connected to non-amplified decks. Delivers high power output: 45W 4 channels (at 4?). If you want more beauty items Shipping Express Shipping We can ship the item together. Please check the shop as there are various other products. go to our shop Most of the items will be delivered in 2-4 weeks after it shipped out. We will carefully deliver using the packing material. About Us -----Important----- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer?s responsibility. Please check with your country?s customs office to determine what these additional costs will be prior to bidding or buying. Customs fees are normally charged by the shipping company or collected when you pick the item up.These fees are not additional shipping charges. We won't under-value merchandise or mark the item as a gift on customs forms.Doing that is against U.S.and international laws.