1.75 inch Voice Coil Tweeter Speaker 2 inch In the HST-46P, we chose to use plastic panel instead of aluminum. Therefore, this is one of our economic tweeter models, and it鈥檚 been proven that our clients love this product. The voice coil is still 44.4mm titanium voice coil, so the sound quality stays the same. This is the best choice if you鈥檙e looking for a budget version of tweeters. The panel can be painted to silver or black color. Specs ModelHST-46P Plastic. Nominal Impendence4-8 ohm RMS/MAX Power75W/150W S.P.L. (1W/1M)103 dB FREQ,RESP1.5K-20KHz Voice coil44.4mm(1.75") KSV Diaphragm MaterialTitanium Magnet90*45*15(13 Oz) Dimension100*100*H74锛坢m) Net weight1.20 kgs Test data Diaphragm Material Application Packing FAQ: 1 What the material of the voice coil We use 1.75鈥?kapton voice coil, titanium diaphragm. 2 What is the weight of the magnet? The magnet weight is 13OZ, size is 90MM diameter, 15mm thickness. 3) Do you have Aluminum panel for this design? Yes we can offer this design in Aluminum panel, the model is HST-46PS. 4) What is the MOQ? The MOQ is 500pcs if OEM packing.China Ferrite Super Tweeter manufacturers website:http://www.granvozchina.com/super-tweeter-speaker/ferrite-super-tweeter/