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At ALTO, professional music products are a passion... and an obsession.
Decades of experience. Years of research and development. ALTO is the culmination of a long quest for the extraordinary by the Italian design visionary, Gian Piero Staffa. GP Staffa is the inspiration behind the ALTO line of analog and digital audio products, featuring sophisticated DSPs and a wide variety of state-of-the-art algorithms. ALTO delivers a full range of analog and digital processors,­ including revolutionary new products you won't find anywhere else.

• Compressors: Digital and Analog
• Equalizers: Digital and Analog ­ Graphic & Parametric
• Crossovers: Digital and Analog ­ 2-way / 3-way / 4-way
• Power Amplifiers: Conventional & DSP Enhanced Versions
• Reverbs & Effects - Feedback Terminators
• Headphone Amplifiers - Direct Boxes
• Tube Front End Preamp - Expander/Gate Processing
• Mixers for Live and Studio Applications
• PA Speaker Systems, Passive & Active types

ALTO products have been designed and engineered for the performing musician and professional sound engineer. Our top priority was to deliver products that sound great, but the price range may just be the most attractive in the world, and the functionality and approach to every product is very user-friendly. ALTO has something for everyone.