
Explosion-Proof Sound Post, Industrial Speaker Column, Mine and Factory Loudspeaker. IP68 & IK10 Protection: Waterproof rate IP68 and impact resistance grade IK10 for harsh environments. Explosion-Proof Certified: IECEX, ATEX, UL/CAS certified for Zone 1, 2, 21, 22 and Division 1. High SNR Performance: Signal-to-noise ratio greater than 100dB for clear audio broadcast. OEM/ODM Customization: Supports full customization, minor customization, and customization from samples. 18 Months Warranty: Comprehensive 18-month warranty coverage for all products. Fast Standard Delivery: Standard product production time is 15-25 days with efficient logistics. 100% Quality Inspection: Finished products undergo 100% visual and functional inspection before packing.