Description:40mm 4Ω Bluetooth Full Range Audio Speaker Stereo Loudspeaker 10WSpecification:Product Name: square speakerSuitable for: audio-visual appliancesOuter diameter: 40mm (square shape)speaker height: 34mmRated power: 5WMaximum power: 10WImpedance: 4 ohmsSensitivity: 80 dBFO: 140 HzFeatures:1.Make of Carbon fiber and metal material、durable and easy to install.2.Suitable for replacement of old speakers、 assembled houses、 automobiles、 ships、 and so on.3.You can freely adjust the bass and treble、 as a creative DIY speakers.4. It can give a powerful and clear sound.Package Included:1×Bluetooth Full Range Audio SpeakerMore Details: