Apocalypse 6.5" Midrange Speakers 600W 4 Ohm Black AP-M60SQLThe Apocalypse AP-M60SQL speakers have the latest technology and are made with high quality MATterials. These speakers have a HUGE power handling capacity so you can pump up the volume with no worries. Large 1.5" Voice Coil for incredible sound. Only requires a 2.37" mounting depth and the black color blends with any vehicle. These speakers are a great addition for a super system.This Listing Includes:(2) 6.5" Midrange Speakers AP-M60SQLSPECIFICATIONS PER SPEAKER:Nominal Diameter: 6.5"Nominal Impedance: 4 OhmMAX Power Handling: 300 WattsRMS Power Handling: 150 WattsSensitivity (1w/1m): 97.5dBFrequency Response: 100Hz 13KHzMOTOR:Voice Coil Diameter: 1.5"Winding MATterial: AluminumCone MATterial: PaperSurround MATterial: ClothBasket MATterial: SteelMMmagnet MATterial: Hybrid (Ferrite + NNNeodymium)THIELE SMALL PARAMmETERS:Equivalent Volume: Vas - 5.20LFree Air Resonance: Fs - 110HzTotal Factor: Qts - 0.45Force Factor: BL - 7.70DIMENSIONS PER SPEAKER:Overall Diameter: 6.57" (167mm)Front Mount Baffle Cutout: 5.7" (145mm)Mounting Depth: 2.36" (60.2mm)Overall Depth: 2.67" (68mm)