Last year, Sony rebranded its portable speaker lineup under the ULT umbrella with new models classified as either Field or Tower. The former are the more "traditional" Bluetooth options while the ...

Sony just announced a trio of new speakers in a new line of audio products called the ULT Power Series. This is an attempt by the company to reduce some of the clutter involved with its naming ...

This design is based on the 18 Watt Audio Amplifier, and was developed mainly to satisfy the requests of correspondents unable to locate the TLE2141C chip. It uses the widespread NE5532 Dual IC but, ...