Class D amps, also known as “digital” amplifiers, work by shifting the sample frequency at which they operate up to extremely high frequencies. In doing so, they use MUCH smaller power transformers which takes up far less interior space—something that is always at a premium in subwoofers. Which class amplifierRead More →

10 of the world’s most expensive stereo amplifiers Pivetta Opera Only – $2.2m. … Pivetta Opera One – $650,000. … Ultrasound Otello – $600,000. … Rike Audio Edzard – $490,000. … Etheraudio Abbssolute Intuition – $406,000. … Ultrasound Parsec – $400,000. … Goldmund Telos 5000 – $375,000. … Wavac SH-833Read More →