DS18 10? Midrange Speaker, 300W RMS/600W Max, 4 Ohm Sold Each 600 Watts Max 300 Watts RMS Single 4 Ohm Voice Coil Non-Pressed Paper Cone Cloth Edge Surround Ferrite Magnet: 40 oz. Voice Coil: 2" CCAW Voice Coil Frequency Response: 76 Hz - 6.8 kHz Sensitivity: 100.2 dB (1W/1M) Recommended Low Pass Crossover: 180Hz Red Stamped Steel Basket Mount Depth: 4.1"