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formerly known as Squeeze-upgrade, is the first Dutch company that is specialized in the development of Plug & Play upgrade products for network music players, headphone amplifiers and or D/A converters. The upgrades are suitable for practically all product with an external PSU in the music chain including the network.


Sbooster focusses on innovation and emphasizes on the price/quality ratio. By combining new technology with smarter and more developed products we are really able to deliver high quality solutions at very competitive prices.

We typically are selling these linear power supplies along with the LUMIN D1 and L1 products as a nice upgrade over the stock wall-wart.

The 12/13.2V unit can be purchased directly through our online store.

Other voltages available.  Please see the link to manufacturer for all models available,

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