1. Description High Quality Ribbon Tweeter，Piezo Tweeter Speaker，Speaker Driver2. Features Item No.JF-348Dimension79mmx79mmMaterial ABSSurface treatmentPaintingColorBlack，silverFeaturesNice effectiveImpedance4ohmsPower75wSensitivity94dBFrequency response4kHZ-27KHzApplicationApply to home theater，professional speaker， audio system，stage speak We will randomly distribution of goods.