RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
This US$450 asking price for the Onkyo P-304 preamplifier is fair, sitting just above the US$438 median of six recent comparable used listings. It is well within the typical market range, comfortably between the US$406 25th percentile and US$487 75th percentile, making it a reasonable ask rather than a bargain or ambitious deal.
The Onkyo Integra P-304 is highly regarded for its clean, detailed sound with excellent bass control and low noise, making it a versatile preamp for vintage or modern systems. Sourced from an original owner, it likely retains its service history and includes all original controls, offering strong value for enthusiasts seeking a reliable, well-maintained unit without the premium of newer models.
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.
