Check the listing for details. Celestion CDX1-1415 Compact Neo magnet 1 Inch Bolt On Compression Driver Tweeter. Condition: Open box. Listed at 89.99 USD. Celestion CDX1-1415 Neo 1" Compression Horn Driver 20WThe Celestion CDX1-1415 HF driver uses a neodymium motor structure and the company's vast design experience to great effect. Despite its small size, the CDX1-1415 provides all the smooth, clear high frequency output a pro audio loudspeaker system could need.2,500Hz recommended min. crossover freq (12dB/oct)Aluminium diaphragm with elastomer surroundCopper inductance sleeve for improved HF performanceGeneral SpecificationsPower rating120WrmsContinuous power rating240WNominal impedance8ΩSensitivity3104dBFrequency range2000-20,000HzRecommended min. crossover (12dB/oct)2,500HzVoice coil diameter35mm/1.4inVoice coil materialCopper clad aluminiumMagnet typeNeodymiumDiaphragm materialAluminiumSurround materialElastomerMounting InformationMaximum width90mm/3.5inDepth57mm/2.2inWeight0.25kg/0.6lbFittingFlange (2 x M6 holes on 76mm, 3.0in PCD)Throat exit25.0mm/1inPacked Dimensions & WeightSingle pack size W x D x H90mm x 90mm x 60mm/3.5in x 3.5in x 2.4inSingle pack weight0.5kg/1.1lb