Hertz Mille Pro MPX 690.3 - 6x9-inch 3-way car speakers for clear rear sound reinforcement
The Hertz Mille Pro MPX 690.3 is an oval 6x9-inch 3-way speaker designed for rear mounting. A 28mm Tetolon tweeter with neodymium drive, a separately integrated supertweeter, and a robust cooling system ensure stable performance even at high dynamics. The front plate geometry promotes lateral dispersion â ideal when the speaker is horizontally mounted in the parcel shelf. If you're looking for a robust upgrade for OEM 6x9 slots, the MPX 690.3 offers a well-thought-out solution at Carhifi.shop.
Technical Highlights
- 38mm pure copper woofer voice coil on polyamide former â high continuous power handling and dynamic, low-compression reproduction.
- Reinforced cellulose membrane with cotton fibers â good balance of stiffness and low weight for a wide frequency range.
- Large rubber surround â long excursion and effective damping.
- Oversized ferrite magnet with low-carbon iron plates â reduced distortion at high levels.
- Aerodynamic aluminum alloy basket â minimizes rear reflections.
- Rubberized magnet cover â damps vibrations.
- 28mm neodymium Tetolon tweeter â clean mid-range and high-frequency reproduction.
- Separate supertweeter with neodymium drive and Tetolon dome â naturally compensates for the frequency-related drop due to horizontal installation.
- FEM-optimized tweeter front plate â homogeneous off-axis frequency response up to 24 kHz.
- Included metal grille with Hertz aluminum logo and powder-coated inner grille â multiple mounting and design options.
Technical Data
- Size: 6 x 9 inches (oval)
- Power handling (RMS): 130 W
- Power handling (Peak): 260 W
- Impedance: 4 Ohm
- Voice coil woofer: Ă 38 mm
- Voice coil tweeter: Ă 28 mm
- Frequency response: 30 Hz â 24 kHz
- Woofer magnet size (W x D x H): 107 x 45 x 20 mm
- Woofer magnet material: High-density flux ferrite
- Tweeter magnet material: Neodymium
- Diaphragm: Pressed cellulose with cotton fibers
- Xmech: ±8 mm
- Weight per speaker: 2.28 kg
Physical Specifications
- A: 241 mm
- B: 223 mm
- C: 108 mm
- D: 90 mm
- E: 267 mm
- F: 38.5 mm
Electro-acoustic Parameters
- Effective diameter (D): 169 mm
- Re: 3 Ohm
- Fs: 50 Hz
- Le: 0.07 mH
- Vas: 24 l
- Mms: 30 g
- Cms: 0.34 mm/N
- BL: 7.2 T·m
- Qts: 0.43
- Qes: 0.55
- Qms: 2.0
- Sensitivity: 94 dB
Installation & Compatibility
The MPX 690.3 is designed for 6x9-inch mounting locations in parcel shelves and doors. The dispersion characteristic is optimized for horizontal mounting. With 4 Ohm impedance, it matches many aftermarket amplifiers and powerful factory head units. For full control, an amplifier with clean power in the range of 100â130 W RMS per channel at 4 Ohm is recommended. Protective grilles are included in the scope of delivery.
