outdoor Column Speaker

Column Speaker 410 440 Specifications: 1) Speaker caliber: szy-410(3.5"X1 & 1.5"X1);SZY-420(3.5"X2 & 1.5"X1);SZY-430 (3.5"X3 & 1.5"X1);SZY-440(3.5"X4 & 1.5"X1); 2) Rated power: SZY-410(10W);SZY-420(20W);SZY-430 (30W);SZY-440(40W); 3) Optional power:SZY-410(10/5W);SZY-420(20/10W);SZY-430 (30/15W);SZY-440(40/20W); 4) Input impedance:SZY-410(1 / 2KΩ);SZY-420(0.5/1KΩ);SZY-430 (333/666Ω);SZY-440(250/500Ω); 6) Sound pressure level (1m):SZY-410(98dB);SZY-420(101dB);SZY-430 (102dB);SZY-440(104dB); 7) Figuration dimensions: SZY-410(109X114X205mm);SZY-420(109X114X310mm);SZY-430 (109X114X497mm);SZY-440(109X114X602mm); 8)CTN Dim:SZY-410(254X334X162mm);SZY-420(350X334X162mm);SZY-430 (446X334X162mm);SZY-440(632X334X162mm); 9)N.W(1PC):SZY-410(1.53KG);SZY-420(2.33KG);SZY-430 (3.23KG);SZY-440(4.23KG); 10)G.W(2PCS):SZY-410(4KG);SZY-420(5.6KG);SZY-430 7.6KG);SZY-440(9.5KG); 11.All-weather waterproof Column,Transparent sound loud. The shell is made from the aluminum-magnesium alloy. 12.Can withstand rain and sunshine, sand rain and snow. Suitable for indoor and outdoor long-term use. 13.Such as public toilets, supermarkets, schools, stations, etc.