The Apocalypse AP-M61SE PRO is a high-performance 6.5-inch mid-range speaker designed for car audio enthusiasts. With an RMS power handling of 150 watts and a peak capacity of 300 watts, it delivers impressive sound quality. The speaker features a frequency response range from 100 Hz to 15,000 Hz, ensuring clear midrange audio. Its sensitivity rating of 102.80 dB allows for efficient sound reproduction, while the durable paper cone and ferrite magnet enhance its longevity. This speaker is an excellent choice for anyone looking to upgrade their audio system with rich, immersive sound. Specifications: Model AP-M61SE PRO Type Midrange Size 6.5 inch Frequency response 100-15000 Hz Package quantity Pair Voice coil size 1.3 inch Cone Paper Magnet Ferrite Voice coil wire CCAW RMS Power 150 W MAX Power 300 W Frame Steel Impedance 4 Ohm SPL 102.80 dB Fs 109.5 Hz Qts 0.4 BL 6.9 Vas 9.5 L Mounting depth 71.6 mm Cut-out dimension 154.2 mm Gross weight 4.77 kg