Brand: nullColor: GoldPort Type: WirelessNumber of Pieces: 1Speaker Type: SubwoofersProduct weight: nullConnection Technology: WirelessCompatible with: AmplifierModel Number: WS-887Shape: CylinderNominal Output: 5 - 10 Wattare batteries needed to power the product or is this product a battery: 1Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : 0External Product ID Type: nullExternal Product ID: Where's Joey in an Ospeaker-speaker