DS18 DRIVER - Our compressions drivers are designed to produce high frequency sound waves and helps to amplify your sound system. DS18 drivers are known for their extreme loudness EXTREMELY LOUD - This driver comes with a massive 2 inch titanium voice coil that takes 160 AES and 640 Peak Power for extreme decibel production backed with a high efficiency motor 2" COMPETITION COMPRESSION DRIVER - These are the epitome of competition-quality compression drivers. Phenolic diaphragm, Kapton voice coil and a ferrite magnet make these the best drivers available DURABLE & LONG LASTING PERFORMANCE - This compression driver doesn’t draw an excessive amount of power from your amplifier & ensures long-lasting performance from your equipment 2" Compression Driver MAX Power: 640 Watts RMS Power: 320 Watts Impedance: 8 Ohm ~ 109dB Ferrite Magnet Phenolic Diaphragm