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US$160 is a strong deal for the Integra ADM-2.1, sitting just below the 25th percentile of US$155 in our database of 35 recent comparable listings, where the median is US$214 and the 75th percentile reaches US$375. This price point is significantly lower than the typical market, making it a genuine bargain for a stereo power amplifier delivering 100W per channel.
The ADM-2.1 is well-regarded for its robust WRAT (Wide Range Amplifier Technology) circuit, offering clean, dynamic two-channel performance ideal for dedicated music setups or as a high-quality mono block alternative. At US$160, you’re securing a solid, reliable unit that typically sells for over US$150 even in decent condition, with little downside unless the unknown condition hides major faults. If it’s functionally sound, this is an excellent buying opportunity for a fellow enthusiast looking for value without sacrificing performance.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Integra traces its roots to 1969, when Japanese audio pioneer Onkyo launched the brand to showcase its most prestigious electronics, emphasizing integration and fusion in high-performance systems. Evolving from a premium label under Onkyo, it became an independent division in 1999 or 2000, targeting custom installers with gear optimized for seamless home automation. Today, under the Premium Audio Company—recently acquired by Gentex—Integra maintains its Japanese heritage while expanding accessibility beyond specialist networks.
The brand specializes in premium AV receivers, processors, and home theater components, including multi-channel amplifiers like the DRX 5.4 with 120W power output per channel. Its lineup features CD, DVD, and Blu-ray players, all engineered for advanced integration via the proprietary Integra Serial Control Protocol (ISCP). Integra prioritizes expandability, multi-zone capabilities, and smart home compatibility over standalone speakers, turntables, DACs, headphones, or cables.
Positioned as a high-end choice for discerning custom integrators and home theater enthusiasts, Integra commands respect for its world-class build quality, innovative control features, and benchmark-setting performance. No longer confined to niche channels, it now appeals directly to knowledgeable buyers seeking robust, future-proof systems that rival the best in the industry.
See all Integra listings on RADAR.
