4 ohms Single Voice Coil. Glass Fiber and Mica Reinforced IMPP Cone. Easily Upgrade to High Performance. Design purposely matches the subwoofer and full-range loudspeakers to provide seamless and smooth sound.20 Hz to 1 kHz. // NEED TO PRICE MATCH? We will try to give you an even lower price! // NEED TO TALK TO US? We will also give you an RA# so the unit won't be lost. The item "2x Pioneer TS-A3000LS4 12 Car Stereo Shallow 4-ohm 3000 Watts Subwoofer 1Pair" is in sale since Wednesday, August 5, 2020. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "audiowattstore" and is located in Milpitas, California. This item can be shipped to United States.