Features The horn is an all-frequency effect, the bass is very strong, the equivalent of a traditional 8-inch speaker bass effect Latest innovation, breaking through traditional limitations, 360° frequency transmission Because there is no standing wave in the body, and therefore all types of vocal music are original, the sound quality of each sound frequency range is very clear The sound penetration is strong, small and practical Suitable for computer, laptop, MP3, MP4, CD, mobile phone and other sound playback and sound expansion devices Features: The horn is an all-frequency effect, the bass is very strong, the equivalent of a traditional 8-inch speaker bass effect. Latest innovation, breaking through traditional limitations, 360° frequency transmission. Since there is no body standing wave, so all kinds of vocal music original, the sound quality of each sound frequency range is very clear. The sound penetration is strong, small and practical. Suitable for computer, laptop, MP3, MP4, CD, mobile phone and other sound playback and sound expansion devices. Specifications: Color: steel Impedance power (optional): 4Ω 25W; 8Ω 20W Type: Electrodynamic (Moving Coil) Shape: round Membrane material: no paper Magnetic circuit shape: internal magnetic type Frequency characteristics: full spectrum band (full range) Rated power: 25W Frequency response: 20 Hz – 20 kHz (kHz) Directivity: positive Sensitivity: 95 (dB/W) Noise ratio: 90 (dB) Harmonic Distortion: 5 (TMD%) Size: 50*50*30mm/1.97*1.97*1.18in Weight: 268g Included in delivery: 1 x Vibrating Speaker Package List