2) VM Audio EXW10 Elux 10" Competition Car Power Subwoofer Subs 4200W DVC (Pair) RMS Power: 1050 Watts Peak Power: 2100 Watts Dual Voice Coil Low Frequency Subwoofers High Excursion Linear Mechanical Suspension System Tough, Weather Resistant Wide Rubber Surround RMS power: 1050 W Peak power: 2100 W Dual voice coil low frequency subwoofers High excursion linear mechanical suspension system Tough, weather resistant wide rubber surround Large, linear-flex damping controlled poly cotton spider Vibraducer feather light IMPP mass cone High strength, custom tooled proprietary stamp steel basket High impact-resistant one-piece magnet cover Aerodynamic, direct voice coil surface-cooling system Extended, thermal cooling vented pole piece motor structure Heavy-duty nickel plated wire connection push terminals Spider woven high-conducting silver tinsel leads Mounting-guiding tall beveled color matching trim ring Sealed or ported enclosure performance Single 2 Ohm/8 Ohm or dual 4 Ohm impedance configurations Size: 10 inches Nominal impedance: Dual 4 Ohm RMS power: 1050 W Peak power handling: 2100 W Voice coil diameter: 2.5 inches (60.6 mm) Magnet weight: 38.7 oz * 2 Frequency response: 28 Hz - 390 Hz Clone material: Polypropylene Surround material: Butyl rubber Mounting diameter: 9.02 inches (229 mm) Mounting height: 4.96 inches (126 mm)