44 MM Vibration Speaker Resonance Horn Home Audio DIY Speaker Description: The horn is a frequency effect, the bass is very strong, equivalent to a traditional 8-inch bass effect speaker. The latest innovation, breaking the limits of tradition, transmission of 360 frequency. Since it does not ma standing body wave, so all kinds of vocal music are original, the sound quality of each sound frequency range is very clear. The sound penetration is strong, ma small size and is comfortable. Suitable do audio playback from computer, laptop, MP3, MP4, CD, mobile phone and other devices and audio expansion. Specifications: Impedance: 4 ohms Power: 15W Material: plastic and metal Size Chart: Diameter: 40 MM or 1.57 inch Height: 24 MM or 0.94 inch The package includes: 1 piece vibrating speaker