SUGDEN A21 Signature Line and Integrated Amplifier the UD-301-X uses a pair

the UD-301-X uses a pair of 32-bit processing DACs (digital to analogue converters)

POWERFUL & IMMERSIVE HI-RES AUDIO FOR MOVIES

Advanced High Current (AHC) Single Push-Pull circuit power amplifier: Wide bandwidth captures everything from deep bass to detailed highs

Specialty locking clamps secure the in-ceiling speaker in place and are designed to minimize vibration

and low-profile grille

SUGDEN A21 Signature Line and Integrated Amplifier the UD-301-X uses a pairSUGDEN A21 The Sugden pure class A design provides affordable high end performance from a beautifully engineered single box integrated amplifier. Compact in size with a simple but stylish design, the A21 is possibly the only amplifier you will ever need. With many of the original A21s still in daily use after fifty years, it could also last a lifetime. Providing a large soundstage and depth to all types of music, the A21 is an amplifier you can listen