Sony's 360-degree Circle Sound SRS-BTV25 and RDP-V20iP speakers land at IFA


August 31, 2011

The SRS-BTV25 and RDP-V20iP feature Sony's Circle Sound technology

The SRS-BTV25 and RDP-V20iP feature Sony's Circle Sound technology

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Sony has unveiled a couple of rather ballsy offerings at IFA 2011 in the form of the SRS-BTV25 and RDP-V20iP. The compact spherical units pack Sony's 360° Circle Sound audio diffusion technology that promises to deliver omnidirectional sound to all corners of a room. The SRS-BTV25 model is designed to play audio streamed from Bluetooth-enabled smartphones, Walkmans and iDevices, while the RDP-V20iP is an iPhone/iPod charger and speaker dock that can be controlled via an included remote.

Both the SRS-BTV25 and RDP-V20iP feature a 5.6 cm (2.2 in) woofer and 2 cm (0.78 in) tweeter and deliver 13W when powered by the AC adapter. The RDP-V20iP can also be powered for up to five hours by its Ni-MH rechargeable battery, but this will drop the speaker power back to 4W. Both units also include a bass-boost function and a 3.5mm audio in jack, which allows the SRS-BTV25 to be used with non-Bluetooth-enabled devices and the RDP-V20iP to be used with non-Apple devices.

Both also have the same 145 x 145 x 145 mm (5.7 x 5.7 x 5.7 in) dimensions but, presumably thanks to its rechargeable battery, the RDP-V20iP weighs in at 600 g (21.16 oz), compared to the SRS-BTV25's 500 g (17.63 oz). The SRS-BTV25 also features a USB port that can be used to charge mobile devices.

Sony will offer both units in black or white, while the RDP-V20iP will also comes in red. Now word on pricing or release date as yet.

About the Author
Darren Quick Darren's love of technology started in primary school with a Nintendo Game & Watch Donkey Kong (still functioning) and a Commodore VIC 20 computer (not still functioning). In high school he upgraded to a 286 PC, and he's been following Moore's law ever since. This love of technology continued through a number of university courses and crappy jobs until 2008, when his interests found a home at Gizmag. All articles by Darren Quick
1 Comment

I had 360degree speakers just like that in my dorm room at prep school - in 1970. \"There\'s nothing new under the sun\" the saying goes?

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