1. 360° Frequency --- vibration speaker has latest innovation, breaking through limitations of traditional, can transmit 360 ° frequency. Impedance power(Optional) is 4 Ω 25 w; 8 Ω 20 w, sensitivity is 95 (dB/W) for resonance speaker 2. 360° Frequency --- vibration speaker has latest innovation, breaking through limitations of traditional, can transmit 360 ° frequency. Impedance power(Optional) is 4 Ω 25 w; 8 Ω 20 w, sensitivity is 95 (dB/W) for resonance speaker 3. Clear Audio --- Since there is no body standing, so all kinds of vocal music original, sound quality of each sound frequency range is very clear. Sound penetration is strong, small size and convenient for resonance vibration speaker 4. Strong Bass --- horn's frequency characteristics is full spectrum band (full range), frequency response is 20HZ -- 20KHZ (kHz), bass is very strong, equivalent of traditional loudspeaker 8 inch bass effect for resonance speaker ftvogue all frequency vibration speaker 5. Wide Application --- This resonance speaker is suitable for computer, laptop, MP3, MP4, CD, mobile phone, and other equipment sound playback and sound expand. brand , please be assured of your purchase for vibration speakers resonance speaker