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• Overview – The Cyrus Smartpower Power Amplifier, released in the early 2000s, is a solid state Class AB stereo power amplifier delivering compact high-current performance in Cyrus’ signature half-width die-cast chassis.
• Power & Drive – Rated at 70 watts per channel into 8 ohms and 100 watts into 4 ohms, it offers impressive control and dynamic headroom for bookshelf and compact floorstanding speakers.
• System Flexibility – The Cyrus Smartpower Power Amplifier can be bridged to operate in mono mode, significantly increasing output power, making it ideal for bi-amping or future system expansion.
• Specifications – Solid state Class AB design, 70W per channel into 8Ω, 100W into 4Ω, frequency response 20Hz–20kHz ±0.1dB, low distortion, high damping factor, heavy-duty linear power supply.
• Dimensions – Approximate dimensions are 215 mm wide × 75 mm high × 360 mm deep, maintaining Cyrus’ compact footprint for flexible rack or desktop installation.
• Weight – Weighing approximately 7 kg, the substantial internal transformer and heat sinking support stable operation and consistent performance during extended listening sessions.
The Cyrus Smartpower is a respected, compact stereo amplifier known for its clean, dynamic sound and reliable performance, often favored for small to mid-sized rooms. At S$450, this listing is a strong bargain, sitting well below the 25th percentile of S$977 from our database of 25 recent SGD comparables, and far under the median of S$1,845. This is an exceptional price for a well-regarded Cyrus unit in good condition.
What makes this a compelling buy is the Smartpower’s pedigree: it delivers solid power in a small footprint, with Cyrus’s signature low-distortion, high-current output that handles complex music gracefully. For a fellow enthusiast hunting value, this price offers rare access to a trusted brand without the usual markup. Unless there are undisclosed issues, this is a clear buying opportunity—a chance to own a capable, well-built amplifier at a fraction of typical market value.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Cyrus Audio: Heritage and Philosophy
Cyrus Audio emerged in 1984 as a specialist electronics brand spun off from loudspeaker manufacturer Mission, with the goal of creating amplifiers to complement Mission speakers. Founded under the direction of Peter Bartlett, a veteran from NAD, the company established its identity with the Cyrus One integrated amplifier—a half-width design featuring the distinctive "control lip" that remains iconic in audiophile circles today. The brand quickly positioned itself as a pioneer in compact, high-performance audio, and later became one of the first manufacturers to champion the Compact Disc format through its partnership with Philips in the early 1980s. After separating from Mission in the 1990s, Bartlett returned Cyrus to private ownership, where it remains independently operated from its Cambridgeshire headquarters.
Cyrus has maintained unwavering focus as a two-channel hi-fi specialist, eschewing multiroom or surround formats. The company's product portfolio centers on integrated amplifiers, power amplifiers, CD players, digital-to-analog converters, and power supplies—all engineered around the principle of delivering high-end sound quality in compact form factors. The brand also pioneered networked audio, developing early high-performance music servers that demonstrated premium sound could be achieved in convenient, integrated packages.
Today, Cyrus occupies a distinctive position as a boutique, high-end British manufacturer that prioritizes sonic excellence and longevity over market size. Under current CEO Nick Clarke, the company continues evolving its Classic series—refined continuously since 1983—and the XR series, developed from scratch using cutting-edge DAC technology and UK manufacturing. Cyrus products consistently earn critical acclaim and industry awards, appealing to discerning audiophiles who value British engineering, meticulous design, and uncompromising sound quality over mass-market accessibility.
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