DS 450M

About the DS 450M

The Audio Research DS 450 M is a high-performance monaural power amplifier introduced in 2011, designed with a proprietary hybrid Class D all-discrete analog switching-mosfet output stage combined with a large linear analog power supply. It delivers 450 watts into 8 ohms with a frequency response from 5Hz to 45kHz and a total harmonic distortion of 1%. The amplifier features a fully balanced design with both XLR balanced and RCA single-ended inputs, dual Cardas patented speaker binding posts, and two 12V triggers. It idles at only 55 watts and has an energy storage of 1,368 joules per pair, providing exceptional dynamic power and authority, suitable for both refined music and multi-channel video systems. The DS 450 M is hand-built in Plymouth, Minnesota, with American-made components and meticulous craftsmanship. It is available in all-silver or black finish options and measures 480 x 133 x 362 mm, weighing 16.9 kg (net).