Nutone ISA-448 Indoor Speaker (IS-448)

 Model: NuTone radio intercom ISA-448 indoor room station (6-Wire) Interchangeable with (4 button + volume knob) NuTone: IS-448 Room Station IS-408 Room Station Dimensions: 10" Wide 11.25" High   (includes 8" diameter 25 ohm speaker cone) Compatible with 6-wire NuTone: IM-4406 & IMA-4406 CD Master Station IM-4006 & IMA-4006 Cassette Master Station Spare Parts: Replacement Faceplate Replacement Speaker Cone Replacement Buttons  Related Items: ISA-445 Smaller Indoor Speaker ISA-449 Outdoor Patio Speaker Available colors: White ISA-448WH Biscuit ISA-448L Walnut ISA-448D Black ISA-448BL