AIYIMA Audio Portable Speakers 25W/20W 4 Ohm/8 Ohm 44/50MM Full Range Vibration Speaker Altavoz Portatil Resonance Bass Speaker

Communication : AUXBattery : NoSpeaker Type : BookshelfPower Source : ACNumber of Loudspeaker Enclosure : 1Certification : CE,RoHSCabinet Material : MetalAudio Crossover : Full-RangeChannels : 1Input Power(W) : <25 WIntelligent Personal Assistant : NONEOutput Power : OtherRemote Control : NoSupport Memory Card : NoPlayback Function : NoneDisplay Screen : NoVoice Control : NoMaterial : MetalSupport Apt-x : NoDisplay Screen : NoWaterproof : YesBuilt-in Microphone : NoSupport APP : NoFeature : NoneModel Number : NoneFrequency Range : OtherSpecial Feature : Mini, PortableAudio Output : SingleCommunication : WiredIntelligent Personal Assistant : None 1pcs 25 Watts 4 Ohms 50MM Full-range Vibration Speaker Resonance Speaker bass 50MM    Impedance power: 4Ω 25W   Impedance power: 8Ω 20W weight: 270 g / 1pcs 44MM  Impedance power: 4Ω 20W Impedance power: 8Ω 20W weight: 200 g / 1pcs black wire Connect the negative  White wire connect the positive Packing List : Speaker x 1pcs If you like there are Three Holes for fixed speaker , you can buy from this link. https://www.aliexpress.com/store/product/AIYIMA-Mini-Audio-Portable-Speaker-Column-44-50MM-Full-Range-Vibration-Speaker-Altavoz-Portatil-Resonance-Speakers/1702099_32860847091.html?spm=2114.12010611.0.0.752613a9ZtVMle