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Yamaha NS-SW40 is a compact, cube-shaped active subwoofer, often part of systems like the NS-P40, featuring an 8-inch driver, 45W RMS power (sometimes listed with 100W peak), 28Hz-200Hz response, and connections like RCA Line In/Digital Coaxial, designed for adding rich bass to small home theaters with its Yamaha Active Servo Technology (AST). Key Specifications:Speaker Type: Active Powered SubwooferDriver: 8-inch (approx. 20cm)Power Output: 45 Watts RMS (often listed as 100W Peak/Dynamic)Frequency Response: 28Hz - 200HzTechnology: Yamaha Active Servo Technology (AST) & Linear PortFully tested in excellent condition
This is a buyer’s market for this category at the moment: at US$60, the asking price sits well below the US$117 25th percentile and far under the US$232 median, which makes it a strong bargain on the provided comps. Even against the upper end, it’s miles below the US$466 75th percentile, so there’s no pricing pressure here.
That makes it an easy one to like if it’s working properly: an older Yamaha powered sub can be a very practical upgrade for a modest stereo or TV setup, with the usual easy integration and solid bass support. The excellent condition tag is the key upside here, and at this price the main thing to verify is simply that it powers up cleanly, the driver is intact, and there’s no amp hum or distortion.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Yamaha stands as one of the world's most storied audio manufacturers, with roots extending far beyond consumer electronics. Founded in 1887 by Torakusu Yamaha in Hamamatsu, Japan, the company began as a reed organ manufacturer before expanding into pianos and eventually becoming a comprehensive musical instrument maker. This deep heritage in acoustics and materials science would prove foundational to its later audio ventures. The company operated under its original name, Nippon Gakki Co., Ltd., until 1987, when it was renamed Yamaha Corporation in honor of its centennial.
Yamaha's entry into high-fidelity audio proved transformative for the industry itself. In 1954, the company released the Yamaha Hi-Fi Player, widely recognized as the world's first audio component to bear the "Hi-Fi" designation in its name. The company subsequently built a comprehensive product portfolio spanning amplifiers—beginning with the acclaimed A-100 in 1960—speakers, turntables, and digital audio equipment. The NS-1000 speakers, introduced in 1974 with beryllium drivers, became iconic reference monitors. Yamaha also pioneered digital audio technology, shipping the world's first CD recorder in 1988.
Today, Yamaha occupies a distinctive position as a mid-to-high-end generalist rather than a niche specialist. The brand commands respect among both casual listeners and serious audiophiles, balancing accessibility with genuine engineering credibility. Its reputation rests on six decades of consistent innovation, proven reliability, and the unique advantage of applying musical instrument expertise to audio reproduction. Vintage Yamaha components remain highly sought by collectors, while current products maintain the brand's tradition of delivering performance and durability across multiple price tiers.
See all Yamaha listings on RADAR.
