Zetta Series power amplifiers are the result of long effort to achieve the best Specs/Price ratio applying latest advances in assembling technology (through-hole).

The Unka Sound ZETTA Series, is the result of an in depth study, in order to reach the best compromise between economy and performances, taking advantage of latest improvements in automated mixed surface mount and through hole electronic assembly.

ZETTA Series are a project based on an up-side-down mono-block approach offering an all-in-one power module that contains the entire amplifier assembly. Simplicity and effectiveness run hand by hand through the entire design to obtain an effectively skilled and workable product.

The last generation QuantaPulse™ switching power supply allows to reach a new level of refined sensing and control of the power flow.

The cost-effective ZETTA Series amplifiers are packed with solid and convincing arguments for the professionals researching quality, reliability and value!.

  • Unmatched audio quality hi efficiency Class H design
  • 2/4 Channels models from 1000W up to 4000W
  • Ultra light weight 6kg, compact package 25cm deep
  • Last generation QuantaPulse™ switch mode power supply
  • Power Management System (PMS™) and Clip Limiter (ICL™)
  • Up-side-down design to avoid fan dust acumulation
  • Industry standard Neutrik® XLR and Speakon® connectors
  • Comprehensive protection set (ICL, PMS, SSP, turn-on, Temp, DC….)
  • Detented sealed potentiometers
  • Dual or bridge mode operation
  • Temperature controlled, back to front cooling fan
Output Power Z210 Z215 Z220 Z236 Z420 Z430 Z440
2 ohM 2x500W 2x750W 2x1000W 2x1800W 4x500W 4x750W 4x1000W
4 ohM 2x400W 2x700W 2x1000W 2x1750W 4x400W 4x700W 4x1000W
8 ohM 2x240W 2x450W 2x650W 2x950W 4x220W 4x450W 4x630W
Bridge 4 ohM 1x1000W 1x1500W 1x2000W 1x3600W 2x1000W 2x1500W 2x2000W
Bridge 8 ohM 1x800W 1x1400W 1x2000W 1x3500W 2x800W 2x1400W 2x2000W
High Z 70Vrms/100Vpeak 1x900W 2x700W 2x900W 4x700W
High Z 100Vrms/140Vpeak 1x1400W 2x1400W

We are working on updating the manuals and catalogs of our products. 
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