... Rubber patch, etc...Parameters:Speaker diameter:57mmAUX input impedance:10-20KΩ output impedance:4ΩFrequency range:80Hz-20 KHzSpeaker output:2WBattery ... for your Logo Decorations, from silk screen, hot stamping, full color process, embroidery, embossing, badge ( woven, rubber, plastic ... for details.4, About BagEle:BagEle, is a professional supplier of bags and luggage. Our collection covers promotional ...