Description:This is a professional speaker with superior sound quaility, composed of 1 main speaker and 2 side speakers. Made of high density wood, together with bass boost technology, adjustable bass sound effect, this speaker will deliver superior music sound to your ears. And the plastic-steel mesh enclosure is designed to prevent speakers from dust, you can hear the sound clearly. It may be a perfect companion for your cellphone, tablet, laptop, or desktop PC!Features:1. High density wood material makes the sound solid and rich.2. Bass boost technology, more steady and undistorted bass sound.3. Volume and bass independent adjustment, shows perfect interpretation of all kinds of music.4. Plastic-steel mesh enclosure to prevent speakers from dust, ensure the sound delivered clearly to your ears.5. Suitable for desktop PC, laptop, DVD, TV, cellphone, tablet, for PSP and other audio devices.Specifications:Brand: For SADAModel: SL-8018Color: BlackMaterial: Wood + PlasticMain Speaker Size: Approx. 230 x 140 x 190 mm / 9.1 x 5.5 x 7.5 inchSide Speakers Size: Approx. 80 x 65 x 145 mm / 3.1 x 2.6 x 5.7 inchFrequency Response: 25Hz-20kHzAudio Jack: 3.5mmPower Supply: USB 5VCable Length: 1mVolume/Bass Adjusting: KnobOutput Power: 3WSeparation: 40dBSNR: 80dBApplications: Desktop PC, laptop, DVD, TV, cellphone, tablet, PSP and other audio devices.Package Weight: About 1580gPackage List:1 x Main Speaker2 x Side Speaker1 x Manuaul(Other items in the pictures are not included.).Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.