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How's it going! you're looking at a Integra ADM-2.1 2-Channel Stereo Power Amplifier!Enhance your home audio setup with this high-performance Integra ADM-2.1 2-Channel Stereo Power Amplifier. Built with Onkyo's renowned WRAT (Wide Range Amplifier Technology), this robust amplifier delivers 100 Watts per channel into 8 ohms, providing clean, dynamic, and distortion-free power that easily handles speaker impedance fluctuations. Featuring a sleek, minimalist brushed-aluminum black finish, it is the perfect solution for expanding a multi-zone audio system, bi-amping front speakers, or adding high-current power to a dedicated preamplifier setup. The unit is in great cosmetic condition with minor faceplate wear as pictured, and it has been fully tested to ensure flawless audio performance.The listed shipping policy ships predominantly to 48 states (Alaska & Hawaii are excluded). However, if you are in either of the Excluded States, any US Territories, or an International buyer from anywhere else in the world- Please inquire if you want to purchase the listed item above. We DO ship worldwide, but if you are not in the 48 States, our listed shipping price is subject to change. We get good rates and can give you a shipping quote! Feel free to reach out to us and we'll work something out!Thanks for looking! Please check out our store for more great deals and cool finds!
At US$150, the timing doesn’t add much one way or the other here — this is a late-model, still-relevant stereo power amp, and the asking price lands essentially on the market’s center of gravity. With a median of US$149 and a 25th–75th percentile band of US$130 to US$152, this is a fair buy rather than a bargain, but it is priced right enough to consider seriously.
What makes it worthwhile is the usual Integra appeal: solid build, clean power delivery, and a straightforward two-channel amp approach that fits well in a serious music or home-theater setup. At this price, the value hinges on condition and completeness more than on model prestige, so a clean, well-kept unit with no channel imbalance, protection issues, or missing essentials is the sweet spot.
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.
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