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Sonance - IS4 C
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113" 100W Invisible Series Speaker, 90dB Sensitivity

Model: IS4 C

Part #: 40127

  • 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2" (50mm) voice coil woofer
  • 8 ohms nominal impedance
  • Paper surface ready for up to 1/8" (3mm) flexible material and paint finish
  • Three independent self-resetting gel switches (low, mid and high) overload protection
  • The benchmark for performance and installation flexibility for invisible speakers
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The IS4 C is for any commercial or residential settings where a 70 or 100 volt system is being used. The IS4 C features all the industry standard tap settings as well as an 8-ohm bypass.

The IS4 C is an extended bandwidth, wide dispersion loudspeaker designed for ceiling or wall mounting in commercial/professional installations in airports, hotels, boardrooms, cruise ships, casinos, convention centers, restaurants, offices, houses of worship and retail stores.

The IS4 C incorporates a polypropylene diaphragm that provides distinct woofer, midrange and tweeter radiation areas to ensure superior-quality sound in foreground music, public address and paging applications. The IS4 C features wide dispersion (170° conical) allowing larger areas to be adequately covered by fewer speakers.

An integrated, steel enclosure provides up to 20dB of noise reduction on the back of the speaker. The IS4 C frame is constructed from extruded aluminum. Connection is made via a barrier strip that is covered with a steel plate that features a connection point for 1/2" conduit.

The IS4 C is transformer-coupled, with 32W, 16W, 8W, 4W, 2W, 1W, .5W taps and 8-ohm bypass that are selectable from the speaker’s enclosure.

  • 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2" (50mm) voice coil woofer
  • 8 ohms nominal impedance
  • Paper surface ready for up to 1/8" (3mm) flexible material and paint finish
  • Three independent self-resetting gel switches (low, mid and high) overload protection
  • The benchmark for performance and installation flexibility for invisible speakers
  • Fully concealed within walls or ceilings for a totally invisible result
  • Speaker surface can be finished with up to 1/8" (3mm) of lightweight flexible material including finishing compound and paint, venetian plaster, wallpaper or wood veneer
  • Optional enclosure to reduce sound transfer to adjacent rooms
  • Extended bandwidth, wide dispersion loudspeaker designed for ceiling or wall mounting in commercial/professional installations in airports, hotels, boardrooms, cruise ships, casinos, convention centers, restaurants, offices, houses of worship and retail st
 
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by Lowell Manufacturing Co.