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IS4C


IS4 C

  • The benchmark for performance and installation flexibility for invisible speakers.
  • Fully concealed within walls or ceilings for a totally invisible result.
  • 70 / 100 Volt with 8 Ohm bypass
  • 6 different voltage tap settings.
  • E.A.S.E. data available.

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  • 170º hemispherical dispersion to achieve wider coverage with fewer speakers.
  • Can be finished with up to 1/8″ (3mm) of flexible material including finishing compound and paint, venetian plaster, wallpaper or wood veneer.
  • Built in enclosure to reduce sound transfer to adjacent spaces.
  • Used in luxury retail boutiques including Louis Vuitton, Gucci, Prada, Miu Miu, Fendi, Barney’s of New York and Tom Ford.
  • UL Rated: 2043; 1480

Tweeter 4 sq. in (27 sq. cm) planar diaphragm, driven by a 1″ (25mm) voice coil
Midrange 17 sq. in (110 sq. cm) planar diaphragm, driven by a 1″ (25mm) voice coil
Woofer 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2″ (50mm) voice coil
Frequency Response 40Hz – 20kHz ±3dB
Impedance  5 ohms nominal; (70v/100v Transformer Tap with 5 Ohm Bypass)
Dispersion 170º hemispherical up to 10 kHz
Transformer Primary voltage: 70V, 100V Primary taps (70V): 0.5W, 1.5W, 3W, 6W, 12W, 24W, 48W Primary taps (100V): 1.5W, 3W, 6W, 12W, 24W, 48W 5-ohm bypass
Power Handling 100 watts RMS
Sensitivity 90dB SPL (1 watt/1 meter)
Finish Paper surface ready for up to 1/8″ (3mm) flexible material such as joint compound, plaster, wallpaper and paint.
Overload Protection Three independent self-resetting gel switches (low, mid and high)
Environment Temperature 0º – 125ºF (-17.7º – 51.7ºC)
Speaker Depth 3 11/16″ (94mm) with enclosure
Shipping Weight 28 lbs (12.7 kg) each
UL Rating 2043; 1480
Cut-Out Dimensions (W x H) 16 1/8″ x 24 5/32″ (409mm x 613.5mm)
Tweeter 4 sq. in (27 sq. cm) planar diaphragm, driven by a 1″ (25mm) voice coil
Midrange 17 sq. in (110 sq. cm) planar diaphragm, driven by a 1″ (25mm) voice coil
Woofer 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2″ (50mm) voice coil
Frequency Response 40Hz – 20kHz ±3dB
Impedance  5 ohms nominal; (70v/100v Transformer Tap with 5 Ohm Bypass)
Dispersion 170º hemispherical up to 10 kHz
Transformer Primary voltage: 70V, 100V Primary taps (70V): 0.5W, 1.5W, 3W, 6W, 12W, 24W, 48W Primary taps (100V): 1.5W, 3W, 6W, 12W, 24W, 48W 5-ohm bypass
Power Handling 100 watts RMS
Sensitivity 90dB SPL (1 watt/1 meter)
Finish Paper surface ready for up to 1/8″ (3mm) flexible material such as joint compound, plaster, wallpaper and paint.
Overload Protection Three independent self-resetting gel switches (low, mid and high)
Environment Temperature 0º – 125ºF (-17.7º – 51.7ºC)
Speaker Depth 3 11/16″ (94mm) with enclosure
Shipping Weight 28 lbs (12.7 kg) each
UL Rating 2043; 1480
Cut-Out Dimensions (W x H) 16 1/8″ x 24 5/32″ (409mm x 613.5mm)