Ultra-high power handling capacity guarantees long-term durability 4" diameter copper voice coil on fiberglass former, 4 ohm impedance Weather-resistant paper cone and dust cap, treated cloth edge * Die cast basket is light yet strong, ready to handle rough travel Massive, optimized motor structure helps move serious volumes of air Smooth response up to 2 kHz makes 2-way system designs easy and effective Hand built in the USA * Power Handling (RMS) 1200 Watts Power Handling (max) 2,400 Watts Impedance 4 ohms