DS18 PRO-FR5NEO 200W RMS 400W Max Full Range Neodymium Magnet Midrange 4-Ohm Speaker, 5.25" DS18 PRO-FR5NEO 5.25" Neodymium Full Range Midrange Loudspeaker - 400 Watts Max, 200 Watts RMS Heavy Duty Aluminium Basket - High Strength Neodymium Magnet - Cloth Edge and Non-Pressed Paper Cone 1.2" KCCAW 2 Layer Voice Coil - Impedance 4-Ohms - Sensitivity 94.6 dB Frequency Response: 242 - 13.6 kHz Cut-out Diameter: 4.65 inches (118mm). Mounting Depth: 1.74 inches (44mm).