LEPY269Pro amplifierInput voltage: AC220V (adapter) or 12VOutput power: 58WX4Output channels: 4.1CH, (4-channel full sound, 1 channel connected to active subwoofer)Four-way partition adjustment A/B zone balance controlInput port: stereo, USB, SD, COAXIAL.Bluetooth version: V5.0Radio frequency: FM87.5-108MHzApplicable devices: computers, mobile phones, tablets, smart , CD playersApplicable scenarios: home floor speakers, home theater background music, beauty salons, small supermarkets fixed resistance radio speakers, 12V car four-door speakers, motorcycle bookshelf speakers, etc.Output applicable: 2.0 speakers, 2.0 plus center speakers, 2-channel speakers plus active subwoofers (2.1),4-channel speakers, 4-channel + active subwoofer (4.1-channel)Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onColour:blackMaterial:Aluminum AlloyPackage Contents:1 x LP-269 PRO Amplifier1 Adapter1 x Remote Control 1 x Audio CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.