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The Hertz MPX 690.3 PRO delivers noticeably improved, high-volume sound with tight bass and clear highs — reviewers call it a major upgrade over previous speakers and praise its build quality.
Buyer confidence
84%Highlights
- 38 mm pure copper woofer voice coil wound on a Polyamide former for exceptional power handling and dynamic compression-free reproduction.
- Pressed-pulp cone with cotton fibers material, combining stiffness and lightweight for a wide frequency response.
- Large rubber surround designed for long throw and optimal sound damping.
- Over-sized ferrite magnet combined with very low carbon content iron plates, for low distortion at high power levels.
Key specs
Full specs- Component
- Coaxials
- Size mm (in.)
- (6 x 9)
- Power Handling - Continuous W
- 130
- Power Handling - Peak W
- 260
- Impedance Ohm
- 4
- Woofer Voice Coil Ø mm (in.)
- 38 (1.5)
- Tweeter Voice Coil Ø mm (in.)
- 28 (1.1)
- Frequency Response Hz
- 30 ÷ 24k
Key specs
Full specs- Component
- Coaxials
- Size mm (in.)
- (6 x 9)
- Power Handling - Continuous W
- 130
- Power Handling - Peak W
- 260
Highlights
Overview- 38 mm pure copper woofer voice coil wound on a Polyamide former for exceptional power handling and dynamic compression-free reproduction.
- Pressed-pulp cone with cotton fibers material, combining stiffness and lightweight for a wide frequency response.
- Large rubber surround designed for long throw and optimal sound damping.
Review highlights
Based on customer reviewsHertz MPX 690.3 PRO — loud, detailed sound with tight bass
The Hertz MPX 690.3 PRO delivers noticeably improved, high-volume sound with tight bass and clear highs — reviewers call it a major upgrade over previous speakers and praise its build quality.
What buyers praise
- Very high output — speakers get loud
- Tight, punchy bass
Overview
The three-way MPX 690.3 car audio coaxial, optimized for rear deck mount, features a 28 mm Tetolon tweeter with Neodymium magnet and faceplate profile maximizing the off-axis dispersion. A supertweeter strengthens the emission of very high frequencies and the basket radial venting system ensures low operating temperatures. The sound has an impressive impact and ensures perfect control, also with extensive high dynamic listening.
Highlights
Key features
- 38 mm pure copper woofer voice coil wound on a Polyamide former for exceptional power handling and dynamic compression-free reproduction.
- Pressed-pulp cone with cotton fibers material, combining stiffness and lightweight for a wide frequency response.
- Large rubber surround designed for long throw and optimal sound damping.
- Over-sized ferrite magnet combined with very low carbon content iron plates, for low distortion at high power levels.
- Aerodynamic thus acoustically transparent aluminium alloy basket, eliminates rear wave reflections.
- Anti-vibration rubber magnet cover, damps spurious vibrations.
- 28mm voice coil Neodymium Tetolon fiber dome tweeter, for undistorted mid-frequency reproduction.
- 20mm voice coil Neodymium Tetolon fiber dome super tweeter, to naturally compensate for drop-off in frequency response due to speaker horizontal installation.
- Tweeter faceplate with geometry optimized with FEM (Finite Element Modeling) simulations, to provide excellent off-axis frequency response up to 24kHz by perfectly mixing the two tweeters’ emission.
- Full protection metal mesh grill featuring the aluminium Hertz logo and attractive look mineral powder coated inner grill are included for several install combinations.
Specs
Technical Specs
15
| Component | Coaxials |
| Size mm (in.) | (6 x 9) |
| Power Handling - Continuous W | 130 |
| Power Handling - Peak W | 260 |
| Impedance Ohm | 4 |
| Woofer Voice Coil Ø mm (in.) | 38 (1.5) |
| Tweeter Voice Coil Ø mm (in.) | 28 (1.1) |
| Frequency Response Hz | 30 ÷ 24k |
| Woofer Magnet size D x d x h mm (in.) | 107 x 45 x 20 (4.21 x 1.77 x 0.79) |
| Weight of one speaker kg (lb.) | 2.28 (5.03) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Pressed-pulp cone with cotton fibers |
| Dome | Tetolon |
| Xmech mm (in.) | ±8 (0.31) |
Electro-acoustic Specs
12
| D mm | 169 |
| Re Ohm | 3 |
| Fs Hz | 50 |
| Le mH | 0,07 |
| Vas I | 24 |
| Mms g | 30 |
| Cms mm/N | 0,34 |
| BL T*m | 7,2 |
| Qts | 0,43 |
| Qes | 0,55 |
| Qms | 2 |
| Spl dB | 94 |
Physical Specs
6
| A | 241 mm | 9.49 in. |
| B | 223 mm | 8.74 in. |
| C | 108 mm | 4.25 in. |
| D | 90 mm | 3.54 in. |
| E | 267 mm | 10.53 in. |
| F | 38,5 mm | 1.52 in. |
Frequency response
Visual spec reference.
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