Hertz Mille Pro MP 25.3 29mm Component Tweeters, 4Ω, Pair

Hertz Mille Pro MP 25.3 PRO is a compact 29 mm (1.14 in) tweeter engineered to deliver wide, linear high-frequency response with controlled dispersion in component audio systems.

This model uses advanced acoustic tuning and a Tetolon dome to support extended bandwidth and articulate high frequencies in front-stage speaker configurations.

Key Performance Features

• Tetolon dome design for smooth, wide high-frequency dispersion
• Center Tuning Duct for optimized resonance and air exchange
• Neodymium motor circuit for low distortion and dynamic response
• Low resonance frequency supporting lower crossover points
• Lightweight design for reduced distortion and improved transient detail

System Architecture

• Driver Type: Component tweeter
• Intended System Role: High-frequency reproduction in multi-way audio systems
• Nominal Impedance: 4 Ω
• Integration: Active or passive crossover (not included)

Power Handling / Output

• Continuous (RMS): Not specified
• Peak: 120 W (Hi-pass filtered @ 2.5 kHz, 12 dB/oct)

Driver / Construction

• Voice Coil Diameter: 25 mm (1 in)
• Dome Material: Tetolon
• Magnet: Neodymium
• Magnet Size (D × d × h): 24.5 × 6 × 3.5 mm (0.96 × 0.24 × 0.14 in)
• Precision motor and acoustic chamber for optimized resonance

Installation Use Cases

• High-end component front-stage systems targeting imaging and clarity
• Dashboard or A-pillar installs requiring refined high-frequency coverage
• Systems using DSP or active high-pass crossover networks

Technical Specifications

• Brand: Hertz
• Series: Mille Pro
• Model: MP 25.3 PRO
• Component Type: Tweeter
• Size: 29 mm (1.14 in)
• Impedance: 4 Ω (Re: 3.9 Ω)
• Frequency Response: 1.4 kHz – 22.5 kHz
• Voice Coil Diameter: 25 mm (1 in)
• Power Handling (Peak): 120 W
• SPL: 91 dB
• Fs: 1200 Hz
• Le: 0.02 mH
• Weight (one tweeter): 0.07 kg (0.14 lb)

Identifiers & Packaging

• Manufacturer Part Number (MPN): MP 25.3 PRO
• UPC: 8018823113939
• Sold As: Pair (2 tweeters with mounting accessories)

Why Buy From MCOR Automotive

• Authorized Hertz retailer with verified product authenticity
• Expert support for component integration and crossover strategy
• Installation guidance and tuning support for high-fidelity systems

Physical Specs

A	44 mm	1.73 in.
B	41 mm	1.61 in.
C	27 mm	1.06 in.
D	17 mm	0.67 in.

Frequency response

Fitment, Installation & Warranty Notes

• Fitment Help: Need help confirming fitment, compatibility, amplifier matching, or installation parts? Use our Fit Guide or contact us through the chat button before ordering.
• Authorized Retailer: MCOR Automotive is an authorized Hertz retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.