Features The horn is an all-frequency effect, the bass is very strong, the equivalent of a traditional bass effect of an 8-inch speaker Latest innovation, breaking traditional limitations, 360° frequency transmission Since there is no standing wave in the body and therefore all types of vocal music are original, the sound quality of any 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 reproduction and sound expansion devices Features: The horn is an all-frequency effect, the bass is very strong, the equivalent of a traditional bass effect of an 8-inch speaker. Latest innovation, breaking traditional limitations, 360° frequency transmission. Because there is no body standing wave, so all kinds of original vocal music, 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 reproduction and sound expansion devices. Specifications: Color: Steel Impedance Power (optional): 4Ω 25W; 8Ω 20W Type: Electrodynamic (moving coil) Shape: round Membrane material: no paper Shape of the magnetic circuit: internal magnetic type Frequency characteristics: full spectrum band (full range) Rated power: 25W Frequency response: 20Hz – 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 Package contents: 1 x vibrating speaker Package List