Cabinet Material : WoodAudio Crossover : Two-WayWaterproof : NoCommunication : Optical Input,Coaxial Input,USB,Bluetooth,RCASpeaker Type : BookshelfChannels : 2 (2.0)Support APP : NoBattery : NoVoice Control : NoPower Source : DCNumber of Loudspeaker Enclosure : 4Input Power(W) : 50-99 WIntelligent Personal Assistant : NONESupport Apt-x : NoBluetooth Version : 5.0Total Harmonic Distortion : 1%Sensivity : 95dBPlayback Function : mp3,FLAC,APE,ALAC,WAVDisplay Screen : NoCertification : CEPMPO : 80WOutput Power : 50WRemote Control : YesSupport Memory Card : NoDisplay Screen : NoBuilt-in Microphone : NoFrequency Range : 50Hz-20KHzFeature 1 : 80W Bookshelf SpeakerFeature 2 : sound bar for TVFeature 3 : home cinemaFeature 4 : HiFi SpeakerFeature 5 : home theater systemFeature 6 : BoomboxFeature 7 : Wood Music SpeakersFeature 8 : TV soundbarFeature 9 : sound speakersFeature 10 : SubwooferFeature 11 : soundbar for TVFeature 12 : soundbar for PCFeature 13 : bass effect80W Soundbar HiFi Speaker Bluetooth Boombox Wooden Bookshelf Speakers 2.0 Home Theater System Subwoofer Bass For PC TV Youtube Video Link: https://www.youtube.com/watch?v=zKPY-aEvCXY1. Audio interface: optical/coaxial/LINE IN/USB2. Control method: infrared remote control + panel button3. Display mode: RBG LED status indication4. Power: 80W5. Distortion: <1%6. Frequency response: 50HZ-20KHZ7. Signal to noise ratio: ≧80dB8. Speaker: low frequency 4.0 inches/4Ω/30W (left and right), high frequency 1.25 inches/4Ω/10W (left and right)9. Inverted tube: variable curvature front inverted tube X110. Input power: DC21V11. Channel: 2.012. Size: 168*223*150MM(L*H*W)13. Material: High Density MDF14. Installation method: desktopAccessories1. Remote control2. Instructions3. AUX audio cable4. Optical fiber cable5. Power supply6. Connection line