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Sound of Light - a bright approach to wireless speakers


May 25, 2011

The Sound of Light system

The Sound of Light system

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Combining lighting with audio by using a light socket to power a wireless speaker is a two-in-one approach that appears to be gaining traction and this latest example - the Sound of Light speaker - grabbed our attention on both the functionality and aesthetic fronts. The Sound of Light system uses a Texas Instruments 2.4 GHz Purepath Digital Signal Transmitter to set up a wireless link between an audio device such as an MP3 player, smartphone or tablet and up to four speakers within a 300 ft range.

Taking advantage of a lamp socket as a power source means the Sound of Light can be used in a wide range of locations. The system runs on 100V or 240V, accepts standard bulbs, is compatible with the iPhone and can also be paired with a sub woofer unit. A multi-function remote enables control of both audio output and lighting.

The Sound of Light is set for a June 2011 release. Pricing details are not yet available but we'll keep you posted. A similar offering from Klipsch, which has a 50 ft range but can can accommodate up to eight speakers, sells for US$249.

Sound of Light specifications:

  • Texas Instruments 2.4 GHz Purepath Wireless Digital Signal Transmitter
  • 433 MHz Receiver For Handheld Remote Control operation
  • Range of up to 300 ft.
  • Stereo RCA Input Jacks
  • Stereo 3.5mm Mini Input Jack
  • Pairing Push Button
  • Amplifier - 25Watt Texas Instruments Purepath Class D
  • Power Supply - Texas Instruments Switching Power
  • Supply for high efficiency and Energy Star EuP compliant
  • Each transmitter can operate up to 4 speaker lights
  • Channel Selection - Left-Mono-Right (Selector Switch)
  • PRICING UPDATE:The Sound of Light system (1 lamp speaker, transmitter and remote control) is expected to retail at US$299 with additional lamp speakers priced at US$129.


They could use the electrical wires to transmit sound digitally instead of wireless. Save the world from EMF and RF pollution.


They could also use a plasma arc to actually create the sound. It would be a cool effect and crystal clear sound.

Charles Bosse
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