Waterproof Outdoor Karaoke PA Sound System Conference Column Speaker for Concert School Park

All-weather design, waterproof casing, waterproof unit, suitable for indoor and outdoor, long life, clear and bright sound; equipped with mounting bracket for easy installation.Model 720A 730A 740A Rated Power 20W 30W 40W Maximum power 40W 60W 80W Dimensiom 275 * 75 * 100 mm 350 * 75 * 100mm 430 * 75 * 100mm Sensitivity 80-16000Hz Input voltage 70-100V Max SPL 110dB 1. Q: Are you a factory or trading company?A: Factory, we majorly focusing in research, development and production of high quality of audio equipment. 2. Q: Can I purchase only 1 pieces as sample first?A: Of curse.We can offer you one sample for your testing first.    But you should pay the sample fee and the freight. 3. Q: Can you offer OEM/ODM service?A: Yes, we could provide OEM services to you,     make your logo on the products and cartons. 4. Q: How could I receive the goods?A: For sample order or small quantity of goods, we suggest to deliver     through express such as DHL, Fedex, TNT. For urgent order but more goods, we suggest to deliver by air transportation. For large batch order,we suggest to deliver by ocean transportation. 5. Q: How about the lead time?A: About 3-7days for sample and small trial order.    About 30days for big order and OEM order.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1