Check the listing for details. Celestion CDX1-1010 - Compression Driver / Ferrite - 1" - Screw-On 8 Ohms. Condition: New. Listed at 49.99 USD. Celestion CDX1-1010 - Screw-On 1" Compression Driver / Ferrite @ 8 Ω. Features : 1" exit, ferrite magnet compression driver with 1.75" edgewound copper clad aluminium voice coil 15W rms power handling (AES standard) and 107dB sensitivity Sound Castle™ clamping ensures even pressure on diaphragm assembly for reduced distortion One piece PETP diaphragm and surround Finite Element Analysis (FEA) used to optimise both magnet assembly and acoustic design General Specifications:Power rating - 15 W rms (AES standard).Nominal impedance- 8 ΩFrequency range- 1,500-20,000HzSensitivity - 107dB 1W/1MRecommended min. crossover - 2,200Hz (12dB/oct)Voice coil diameter- 1-3/8"-18 TPIVoice coil material- Edgewound copper clad aluminiumMagnet type- FerriteDiaphragm material- PETP filmSurround material- PETP filmMounting InformationOverall width- 120mm/4.7inOverall depth- 56mm/2.2inFitting- Screw (35mm, 1.38in dia)Throat exit- 25.4mm/1inUnit weight- 1.8 lbs(816.46gm)Packed Dimensions & Weight :Single pack size W x D x H- 140mm x 170mm x 70mm (5.5in x 6.7in x 2.8in)Single pack weight- 3lbs (1360.78gm) We Carry A Full Line Of RCF, Celestion & Eminence Speakers & Drivers If You're Looking A Particular Model And You Don't See It Here Please Send Us A Message FREE SHIPPING ONLY In the Lower 48 States.Most Orders Placed Before 2PM and Paid thru' PayPal Are Shipped The Same Day; Monday to Friday.