Pair of Deaf Bonce Apocalypse 6.5" Midrange Speakers 520 Watt 4 Ohm AP-M61SE This Listing Includes: - (2) Deaf Bonce 6.5" Midrange Speakers AP-M61SE SPECIFICATIONS PER SPEAKER: - Nominal Diameter: 6.5" - Nominal Impedance: 4 Ohm - MAX Power Handling: 260 Watts - RMS Power Handling: 130 Watts - Sensitivity (1w/1m): 101.5dB - Frequency Response: 100Hz ~ 15.5KHz MOTOR: - Voice Coil Diameter: 1.25" - Winding Material: CCAW - Cone Material: Pressed Paper - Surround Material: Cloth - Basket Material: Stamped Steel - Magnet Material: Ferrite THIELE & SMALL PARAMETERS: - Equivalent Volume: Vas - 6.8L - Free Air Resonance: Fs - 112Hz - Total Factor: Qts - 0.51 - Force Factor: BL - 6.15 DIMENSIONS PER SPEAKER: - Overall Diameter: 6.69" - Front Mount Baffle Cutout: 5.86" - Mounting Depth: 2.83" - Overall Depth: 3.07"