Features All frequency effect, the bass is very strong, the equivalent of the traditional speaker 8 inch bass effect Loudspeakers with the latest innovation, breaking traditional boundaries, 360 ° frequency transmission Provides top sound quality for different audio frequency range Suitable for PC, laptop, MP3, MP4, CD, mobile phone, PSP and other devices sound playback and sound expand Option: 4Ω 25W, 8Ω 20W Description: All frequency effect, the bass is very strong, the equivalent of the traditional speaker 8 inch bass effect Loudspeakers with the latest innovation, breaking traditional boundaries, 360 ° frequency transmission Provides top sound quality for different audio frequency range Suitable for PC, laptop, MP3, MP4, CD, mobile phone, PSP and other devices sound playback and sound expand Option: 4Ω 25W, 8Ω 20W Specification: Condition: New Color: steel Impedance (optional): 4 Ω 25 W, 8 Ω 20 W Type: electrodynamic (rotary coil) Magnetic circuit form: 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 * 1.18inch Weight: 268 g Package: 1 x speaker Package List