GHXAMP 1PC 4 Inch 40W Subwoofer Speaker Woofer High Power Long Stroke BASS Home Theater for 2.1 Subwoofer Unit Loudspeakers DIY

Brand Name: GHXAMPPower Source: NoneInbox adaptor: NoCabinet Material: MetalAudio Crossover: Two-WayWaterproof: NoVoltage range: High voltage (50-1000V DC, 75-1000V AC)Communication: BluetoothCommunication: Audio LineSpeaker Type: SubwooferChannels: 2 (2.0)Support APP: NoBattery: NoCategory: SpeakersUse: othersOrigin: Mainland ChinaSound Mode: OtherVoice Control: NoPower Source: DCPower Source: NonePower Source: AcNumber of Loudspeaker Enclosure: 1Input Power(W): 50-99 WHigh-concerned chemical: NoneInput/Output: OtherIntelligent Personal Assistant: NONERemote Control: NoSupport Apt-x: NoOutput Voltage: 40 WSupport Memory Card: NoFeature: NonePlayback Function: NoneDisplay Screen: NoCertification: CEWi-Fi Music: OtherPMPO: 100 WImpedance: 4 OhmMaterial: MetalDisplay Screen: NoBuilt-in Microphone: YesSubwoofer Rated power: 40WMaximum power: 50WSubwoofer Impedance: 4 OHMSpeaker Opening hole size: 93mmFor 2.1 subwoofer unit: YesSensitivity: 88dBEffective frequency: 65Hz-3500HzSubwoofer outside diameter: 105mmNET Weight: 750g/pcsA-level rubber Speaker side: YES