Hertz Mille Pro MP 28.3 1.38" Component Tweeters, 4Ω, Pair

Hertz Mille Pro MP 28.3 is a high-performance component tweeter engineered for advanced front-stage audio systems requiring precise high-frequency reproduction and controlled dispersion.

This tweeter inherits core technologies from the Mille Legend ML28.3 and is designed for active or passive multi-way systems where accurate staging and extended high-frequency response are critical.

Key Performance Features

• 28 mm Tetolon dome optimized for wide off-axis dispersion
• Rear acoustic chamber with damping to lower resonance frequency
• Extended high-frequency response for detailed top-end reproduction
• Neodymium motor structure for low distortion and fast transient response
• Lightweight CCAW voice coil for improved efficiency and control

System Architecture

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

Power Handling / Output

• Continuous (RMS): Not specified by manufacturer
• Peak: 180 W

Driver / Construction

• Voice Coil Diameter: 28 mm (1.1 in)
• Voice Coil Material: CCAW (Copper Clad Aluminium Wire)
• Dome: Tetolon
• Magnet: Neodymium
• Rear Chamber: Damped acoustic chamber
• Magnet Size (D × d × h): 27.8 × 3.5 × 3 mm (1.1 × 0.14 × 0.12 in)

Installation Use Cases

• High-end component front stages focused on sound quality and imaging
• A-pillar or dashboard installations using the supplied angled mounts
• Active DSP-based systems requiring low crossover points and wide dispersion

Technical Specifications

• Brand: Hertz
• Series: Mille Pro
• Model: MP 28.3
• Component Type: Tweeter
• Overall Diameter: 35 mm (1.38 in)
• Impedance: 4 Ω
• Frequency Response: 1 kHz – 25 kHz
• Voice Coil Diameter: 28 mm (1.1 in)
• Power Handling (Peak): 180 W
• Weight (one tweeter): 0.075 kg (0.16 lb)

Identifiers & Packaging

• Manufacturer Part Number (MPN): MP 28.3
• UPC: 8018823135641
• Sold As: Pair (2 tweeters with mounting accessories)

Why Buy From MCOR Automotive

• Authorized retailer for Hertz high-performance audio products
• Specialists in advanced SQ system design and DSP integration
• Expert guidance for crossover strategy, placement, and tuning

Physical Specs

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.