Rainbow PRO-T28 Tweeter


1.1 inch (28 mm) Tweeter Set Stainless Steel, hand polished including special Mounting Rings.

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Product Description

The rainbow PROFI line. Completely different. Experience music in a new way.

Visually, acoustically, dynamically. Made in Germany.

Sometimes, the shape and the facts speak for themselves.

This also applies to the performance of the new rainbow PROFI line.

Technological progress, which culminates in a new design and highlights sound.


  • Stainless steel housing for very low distortion, CNC crafted and polished by hand
  • Multi-part housing with special acoustic details to optimize frequency response
  • Closed volume for optimized behaviour and low resonance frequency
  • Silk dome, sound coated by hand
  • High energy neodymium magnet
  • Vented magnet system to connect the tweeter to the acoustic volume
  • Audio viscous damping with Merino Wool and other special acoustic material
  • Ferrofluid free for fast an precise pulse response
  • Speaker screw terminal for 4 mm square speaker cables
  • Unique stainless steel mounting ring to secure the tweeter


  • Impedance: 4 Ohm
  • Resonance frequency: 650 Hz
  • Frequency response: 2 – 30 kHz @18 dB
  • SPL 1W/1 Meter: 92 dB
  • Outer Diameter: 57 mm
  • Mounting Diameter: 52 mm
  • Mounting Depth: 36 mm