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US$200 is a fair price for this used Onkyo M-501, sitting right at the median of US$200 from our recent comparable listings. It’s not a bargain (which would be below US$185), but it’s squarely in line with what buyers are currently asking, making it a solid, no-surprise entry point.
The M-501 is a well-regarded 150W per channel power amp known for clean, robust output and a frequency response that stretches from 5Hz to 100kHz. Its low 0.09% THD and 100dB signal-to-noise ratio make it a reliable backbone for demanding speakers. At US$200, especially if the listing includes the original box and shows no signs of wear, this is a straightforward buying opportunity for anyone seeking a sturdy, high-current amp without the hype or cost of modern boutique gear.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Onkyo traces its roots to postwar Japan, founded in 1946 in Osaka by Takeshi Goda, an engineer at Matsushita Electric who envisioned high-quality Japanese loudspeakers. Initially established as Osaka Denki Onkyo K.K., the company began production in 1948 with the acclaimed ED-100 speaker featuring a 25 cm driver, quickly building a reputation through LP concerts and innovative designs that resonated with audiophiles.
The brand excels in premium home audio, renowned for AV receivers, hi-fi amplifiers, and surround sound speakers that deliver exceptional clarity and power. Its portfolio spans turntables, DACs, headphones, and cables, bolstered by acquisitions like Pioneer's home electronics division in 2015, enabling cutting-edge integrations such as internet radio and high-resolution streaming.
Onkyo holds a solid mid-tier position in the hi-fi market, prized by discerning buyers for reliable performance and value rather than ultra-high-end exotica. Despite bankruptcy challenges in the late 2010s, its revival under new ownership preserves a legacy of technological innovation and pure sound enjoyment, appealing to both vintage enthusiasts and modern home cinema setups.
See all Onkyo listings on RADAR.
