Pyle's PDS122 1" aluminum horn driver has a 1.5" flat aluminum voice coil for high power handling. Fits horns with 1-3/8"-18 TPI threads.

Specifications: 

• Power input: 250 watts RMS, 500 watts peak power 

• Frequency response: 1.5 K - 20 kHz 

• Sensitivity: 95 dB @ 1W/1M 

• Impedance: 8 ohm • Magnet structure: 30 oz.