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.
