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Onkyo M-501 2 Channel Power Amplifier 150W Per Ch. Stage PA Powers On Working
Onkyo M-501 8 views

Onkyo M-501 2 Channel Power Amplifier 150W Per Ch. Stage PA Powers On Working

USD$135
Location
US
Seller
earthriverrecords
Source
eBay US
Posted
21 Aug 2026
Last seen
1d ago

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Our Thoughts RADAR AI

Is this the kind of deal worth moving on quickly? At US$135, it lands well below the US$175 25th percentile and far under the US$194 median, so this reads as a strong buy rather than a merely fair one.

The M-501 is a respected power amp for listeners who want a solid, clean, no-drama foundation in a stereo setup, with enough muscle to make the most of revealing speakers. At this price, the upside is real if it’s been kept well and comes with the usual basics; for a known-good example, this is the sort of listing that rewards acting before someone else does.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Onkyo

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.

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