Sonus faber - Aida II - Reference Floorstanding Loudspeakers (Pair)

Aida II represents the pinnacle of Sonus faber’s loudspeaker engineering, combining breathtaking craftsmanship, advanced acoustic technologies, and uncompromising performance. Refined over six years from the original Aida, this flagship design preserves its timeless visual elegance while incorporating significant electroacoustic advancements throughout. From its luxurious Wenge wood finish with maple inlays and hand-polished surfaces to its innovative Sound Field Shaper technology, Aida II delivers a listening experience that is as emotionally engaging as it is technically accomplished.

With an expansive frequency response extending to 18Hz, exceptional dynamic capability, and Sonus faber's signature warm, natural tonality, Aida II effortlessly reproduces the scale and realism of live music. Every component, from the DAD Arrow Point tweeters to the dedicated infra-woofer and sophisticated crossover network, has been meticulously engineered to reveal every nuance of a recording while maintaining remarkable musicality and coherence.

Please review all photos carefully for condition details. Original accessories, packaging, and documentation may vary unless specifically noted.

DESIGN

The Aida II features Sonus faber’s iconic lute-shaped cabinet architecture with double-curvature sidewalls designed to reduce internal standing waves and cabinet coloration. Finished in hand-polished high-gloss wood with premium leather accents and precision-machined aluminum components, the enclosure is as visually stunning as it is acoustically optimized.

Advanced vibration control technologies include the patented Zero Vibration Transmission (ZVT) system, which decouples the loudspeaker from the floor using carefully tuned springs and elastomers. Internally, Tuned Mass Dampers (TMD) counteract cabinet resonances, reducing unwanted vibrations and enhancing bass clarity and low-level detail retrieval.

DRIVER COMPLEMENT

Aida II employs Sonus faber’s renowned “Voice of Sonus faber” architecture, combining advanced soft-dome tweeters and natural-fiber midrange drivers to achieve the brand’s signature warmth, realism, and emotional engagement.

• Main Tweeter: 28mm H28 XTR-04 DAD™ Arrow Point silk dome with Neodymium motor system
• Main Midrange: 180mm M18 XTR-04 cellulose pulp cone with Neodymium motor system
• Woofers: Dual 220mm W22XTR-12 sandwich-cone woofers with dedicated stealth reflex chambers
• Infra Woofer: 320mm SW32XTR-08 sandwich-cone infra woofer with Nano Carbon Fiber skins
• Sound Field Shaper Tweeter: 29mm DAD™ Arrow Point 29XTR2
• Sound Field Shaper Midrange: Dual 80mm M8XTR natural-fiber drivers

TECHNOLOGIES

• Voice of Sonus faber: Advanced tweeter and midrange combination delivering the brand’s signature tonal character
• Stealth Ultraflex System™: Patented reflex system reducing distortion and improving bass extension
• Tuned Mass Damper (TMD): Internal vibration-cancellation technology inspired by modern skyscraper engineering
• Zero Vibration Transmission™: Mechanical decoupling system minimizing energy transfer to the floor
• Sound Field Shaper™: Patented system controlling direct and reflected sound energy for enhanced imaging and spatial performance
• Para-Aperiodic Vented Enclosure: Optimized airflow and bass control

CROSSOVER

Aida II utilizes a non-resonant crossover network optimized for amplitude and phase coherence. Sonus faber’s Paracross topology improves transparency while maintaining amplifier-friendly impedance characteristics. Premium components include Mundorf Supreme Evo, Aluminium Oil, Silver/Gold/Oil capacitors, Mundorf Supreme resistors, and Jantzen Cross-Coil inductors.

• Crossovers: 55Hz / 150Hz / 200Hz / 3000Hz
• Optimized space/time alignment
• Controlled low-frequency impedance behavior
• Premium audiophile-grade crossover components throughout

SPECIFICATIONS

System Type: 3⅔-Way Floorstanding Loudspeaker
Cabinet Design: Double Curvature Lute Shape
Frequency Response: 18Hz – 35,000Hz
Sensitivity: 92dB SPL (2.83V/1m)
Nominal Impedance: 4 Ohms
Recommended Amplifier Power: 100W – 1000W
Connectivity: 6 Binding Posts (Mid/High, Low, Sub)
Decoupling System: Zero Vibration Transmission™ (ZVT)
Finish: High Gloss Wood, Black Leather, Aluminum

DIMENSIONS & WEIGHT

Dimensions (H × W × D): 68 x 19 x 31 in. (1725 x 482 x 780 mm) Each
Shipping Dimensions: 76 x 29.1 x 46.1 in. (1930 x 740 x 1170 mm) Each
Weight: 363.8 lbs. (165 kg) Each
Shipping Weight: 606.3 lbs. (275 kg) Each