DS18 PRO-DRNSC1.51" Screw On Compression Driver with 1.5" Polyimide Voice Coil PRO-DRNSC1.5 The PRO-DRNSC1.5 boasts unmatched power handling for the Pro Audio sound you love. This neodymium compression driver ensures unparalleled performance that delivers impressive sound with striking clarity and limitless depth. Equipped with a highly durable 1.5” voice coil, these drivers are guaranteed to perform at their maximum potential for the entirety of any jam session. This compression driver doesn’t draw an excessive amount of power from your amplifier & ensures long lasting performance from your equipment. Highlights 80W AES Power Handling; 160W Program Power Handling; 320W Peak Power Handling Drop-in voice coils for fast and easy repairs in the rare occasion they are overpowered Screw-On functionality for easy install Neodymium Magnets to ensure the highest efficiency, and power handling, without the bulk of traditional ferrite magnets Compact driver with functionality in spaces most drivers can’t fit Made to fit most standard thread on horn throats 109dB sensitivity for easy climbs to MAX volume Great For Car Audio Pro Audio DIY Projects Motorcycles Stunt Walls Technical Details              PRO-DRNSC1.5 Product Manual SPECIFICATIONS  Throat Diameter 1" / 25.4mm Installation Type Screw-On Nominal Impedance 8 ohms AES Power handling 80 W Program Power Handling 160 W Peak Power handling 320 W Sensitivity (1w/1m) 109 dB Frequency Response 1K-20KHz Recommended Hi Pass Crossover 2KHz Pair or Single Single MOTOR  Voice Coil Diameter 1.5" / 38mm Voice Coil Former Material kapton Winding Material Aluminum Diaphragm Material Polyimide Magnet Material Neodymium (N38H） Magnet Weight 2.4 oz Body Color / Finish Silver / Raw Body Material Aluminum MEASUREMENT  Overall Diameter 2.52" / 64mm Overall Depth 1.93" / 49.2mm Bolt Pattern/Type M34 - 1.34" Mounting Depth 1.3" / 33mm