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Hertz Mille MP 28.3 PRO Mille Pro Series 1-3/8″ Tweeters

Hertz Mille MP 28.3 PRO Mille Pro Series 1-3/8″ Tweeters


SKU: MP28.3
Product by: Hertz

The Hertz Mille Pro speakers have one single emission point with linear-phase characteristics for clear timbre, allowing for a more detailed soundstage. To improve the tweeter’s resonance, the “Center Tuning Duct” geometry was implemented. This reduces the frequency of the tweeter resonance, and the damping materials on the inside make for a linear acoustic emission. To use an acoustic lens to maximize the off-axis response, and because the 36 mm woofer produces deep and controlled bass frequencies, the acoustic lens is used with door installation of coax speakers.


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SKU: MP28.3


sku: MP28.3

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Key Features:

  • 1-3/8″ Tetolon dome tweeters (pair)
  • external crossovers with level adjustment
  • handles up to 90 watts RMS (180 watts peak power)
  • frequency response: 1,000-28,000 Hz
  • sensitivity: 91 dB
  • top-mount depth: 5/8″
  • impedance: 4 ohms
  • warranty: 2 years

Features & specs

Speaker Size 35mm
Design 1-way
Tweeter Design 35mm Dome
Impedance (Ohms) 4
Tweeter Composition Tetolon
Woofer Composition
Woofer Surround
Parts Warranty 2 Years
Labor Warranty 2 Years
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 91
Frequency Response 1000 – 28k Hz
Minimum RMS Wattage
Maximum RMS Wattage 90
Peak Power Handling (Watts) 180
Top-mount Depth (Inches) 0 5/8
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 1 7/8
Mounting Height (Inches) 0.672


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Additional information




Frequency Response, High

20k-29k Hz


4 ohm

Power handling RMS