RMS Power Watts 250 Nominal Power Watts 500 MAX Music Power Watts 1000 Nom Impedance(Ohm) 4 Voice Coil 1. 5-Inch Magnet Structure 20oz Ferrite Fs(Hz) 140 Qms 5. 477 Qes 0. 777 Qts 0. 68 SPL(dB) 97. 3 Overall Depth 84 mm Mounting Depth 75. 2 mm Overall Diameter 174 mm Mounting Diameter 144 mm PER PAIR Voice Coil Recone Kits Available PRO AUDIO MIDRANGE SPEAKERS - Enhance your vehicle audio with the XTR XTX654. Featuring balanced sound and a wide frequency range, this speaker is designed with advanced technology to provide superior sound quality and exceptional performance. SUPERIOR POWER - With 1400W Max Power and 350W RMS the XTX654 is an ideal choice for those seeking superior sound quality in their vehicle. Experience powerful and dynamic sound without distortion. ADVANCED STRUCTURE - The XTX654 Midrange Speaker has a 1.5" High-temperature voice coil, an efficiency of 97 dB, and a magnet structure of 40 Oz. MID-RANGE WITH BULLET: The bullet allows the XTX654 speaker to reach those high-range frequencies without sacrificing those low to mid-range frequencies. This allows the speaker to play a dynamic range of frequencies. MEASUREMENT: Overall Diameter: 7.01” | Overall Depth: 3.31” | Mounting Diameter: 5.75” | Mounting Depth: 2.96”