Hertz Mille MPX 165.3 PRO
Price range: £225.00 through £245.00
The Hertz CX165 is a high level speaker upgrade, perfect for replacing stock OEM units (in component form) or adding rear fill – they improve upon the CENTO versions. It’s our go-to “Higer level upgrade” — reliable, great-sounding, and easy to fit.
The coax tweeter concentric to the woofer of the MPX 165.3 car audio coaxial speakers allows for one single linear-phase emission point, for a natural timbre providing a detailed sound stage. Thanks to the “Center Tuning Duct” geometry, the tweeter resonance frequency is especially low and the employment of damping materials for the inside provides for a linear acoustic emission. The acoustic lens optimizes its off-axis response, which is typical with door installation of coax speakers; besides, the 36 mm diameter woofer generates deep and controlled bass frequencies.
Features
2. TWEETER SUPPORT WORKING AS A REAR CHAMBER: sized for low Fs, to ensure a well damped high pass frequency roll-off, allowing low cut-off frequency crossover point.
3. 36 MM PURE COPPER WOOFER VOICE COIL: wound on a Polyamide former, for outstanding power handling and dynamic compression-free reproduction.
4. PRESSED-PULP CONE WITH COTTON FIBERS: combining stiffness and lightweight for a wide frequency response. Cone profile geometrically refined to perfectly match with the tweeter emission ensuring phase consistency in the crossover area.
5. “BOUNDARY FREE” RUBBER SURROUND: for improved efficiency and wider midbass frequency. (Logo Boundary Free)
6. OVER-SIZED FERRITE MAGNET: combined with very low carbon content iron plates, for low distortion at high power levels.
7. BASKET: low mounting depth, acoustically transparent aluminium alloy basket with elegant diamond cutting and featuring the aluminium Hertz logo.
8. ANTI-VIBRATION RUBBER MAGNET COVER: to damp spurious vibrations.
Specs
| Component | Coaxials |
| Size mm (in.) | 165 (6.5) |
| Power Handling – Continuous W | 70 |
| Power Handling – Peak W | 210 |
| Impedance Ohm | 4 |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 13 (0.5) |
| Frequency Response Hz | 55 ÷ 22k |
| Woofer Magnet size D x d x h mm (in.) | 85 x 32 x 15 (3.35 x 1.26 x 0.59) |
| Tweeter Magnet size D x h mm (in.) | 13 x 2 (0.51 x 0.08) |
| Weight of one speaker kg (lb.) | 0,95 (2.09) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Semi-pressed paper+ Mica |
| Dome | Tetolon |
| Xmech mm (in.) | 4,9 (0.19) |
Dimensions
| A | 165 mm | 6.5 in. |
| B | 142 mm | 5.59 in. |
| C | 71 mm | 2.8 in. |
| D | 62,5 mm | 2.46 in. |
| E | 171 mm | 6.73 in. |
| F | 24 mm | 0.94 in. |
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