Onkyo TX-SR393 home theater amplifier, black

Alternating current (AC) is far from a perfect power source. AC technology has existed for over a century and has never been designed to match today's high definition audio-video components. AC noise is present at the useful source and becomes more severe...

DX-2 HCP For those seeking a more discreet, stylish and affordable solution for genuine surround sound, the New DX-2 5.1 speaker system from Wharfedale is ideal. Consisting of four satellite speakers for the front and rear, plus a compact centre speaker and an active subwoofer, the DX-2 replaces the...

Zero Characteristic ImpedanceIn everyday language it could be explained by imagining a tube containing shampoo. No matter how wide (low resistance) that tube, the shampoo (the characteristic impedance) will be in the way. The complete elimination of chara...