2) MB Quart DS1-254 800 Watt 4 Ohm Shallow Slim Subwoofers Car Truck DVC Subs (2) MB Quart DS1-254 10" Shallow Mount Car/Truck Subwoofers w/Poly Cone+2" Voice Coil. Peak Power Rating: 400 Watts "RMS Power Rating: 200 Watts. 10"" Shallow Subwoofer, UV Resistant Butyl Rubber Surround. Durable heavy textured powder coat " "All new design based on popular RLP shallow subs. Vented aluminum voice coil former, Thermal Formed Polypropylene Cone and Dust Cap " "2 High Temp Dual Voice Coils. Deep Drawn Stamp Steel Basket, Sensitivity: 82 dB. Top-mount depth: 2.95"" " "Cutout Diameter: 9.13"". Impedance 4 ohms, Dual Voice Coils "