Dayton Audio Offers Easy Wireless Audio with New DTA-2.1BT 100W Class D 2.1 Amplifier with Bluetooth

Dayton Audio introduced the updated DTA-2.1BT amplifier, a compact and lightweight Class D design that is perfect top bring new life to existing passive speakers. The DTA-2.1BT is able to adequately power most speakers, and also a passive subwoofer, allowing users to create an inexpensive and high-performance 2.1 set up for any office, bedroom, or small home theater. For just $99.00, it offers Bluetooth, RCA, and 3.5 mm inputs, and now features a crossover adjustment on the front panel.

In this article published originally by audioXpress in March 2005, Nelson Pass offers a series of tips about designing filter networks for both voltage and current sources. Nelson Pass provides filter examples that can be used equally well with a voltage or current source.

It was recognized early on that the speakers benefited from having separate low-frequency and high-frequency drivers, each optimized for its own frequency range. Consequently, names were needed to easily identify the various speakers in a cabinet. This article was originally published in Voice Coil, January 2012.