• 6.5-inch 2-way full-range coaxial speakers. • 250-watt maximum power. • Cone made of tough, durable polyurethane for long-lasting sound. • Voice coils designed to withstand high temperatures and maintain their strength. • Rubber surround with high capacity to withstand intensive use without wear. • 1-inch piezoelectric tweeter resistant to overloads. • 4-ohm impedance and 90 dB sensitivity. • Frequency range from 100 Hz to 18 kHz. • Mounting dimensions: 5.47-inch hole and 2.13-inch depth. • Sold in pairs.