Woofer: Auto acessories/ China wright/ ABS material High cost performance & Super water resistance Woofer,Auto acessories,ABS woaterproof material!Neutral Packing & your own packing Desciption:1.Voltage: 12/24(V) 2.Current: 3A3.Sound Level: 110-115(db) 4.Hertz: 410±20Hz,510±20HzAdvantages:1. Strong sound,our horns can keep hard voice under terrible enviroment.2. Long time use,our horns are made ...