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The Hertz C 165 delivers crisp mids, detailed vocals and a punchy midbass, often outperforming OEM speakers and working well with factory head units/amps — a strong value for a 6.5" upgrade.
Buyer confidence
83%Highlights
- 165 mm (6.5 in.) semi-pressed paper cone SPP-M (Semi Pressed PaperMica) enhanced with Mica powder for an excellent balance between lightness and damping.
- High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
- 25 mm (1 in.) voice coil featuring an aluminum former to guarantee high excursion and power handling.
- Compact and transparent three-spoke basket acoustically combined with a rubber magnet cover for total damping of spurious vibrations.
Key specs
Full specs- Component
- Woofer
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 70
- Power Handling - Peak W
- 210
- Impedance Ohm
- 4
- Voice Coil Ø
- 25 (1)
- Frequency Response Hz
- 55 ÷ 7k
- Magnet size D x d x h mm (in.)
- 85 x 32 x 15 (3.35 x 1.26 x 0.59)
Key specs
Full specs- Component
- Woofer
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 70
- Power Handling - Peak W
- 210
Highlights
Overview- 165 mm (6.5 in.) semi-pressed paper cone SPP-M (Semi Pressed PaperMica) enhanced with Mica powder for an excellent balance between lightness and damping.
- High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
- 25 mm (1 in.) voice coil featuring an aluminum former to guarantee high excursion and power handling.
Review highlights
Based on customer reviewsHertz C 165 car speakers — clear, punchy midrange with solid midbass
The Hertz C 165 delivers crisp mids, detailed vocals and a punchy midbass, often outperforming OEM speakers and working well with factory head units/amps — a strong value for a 6.5" upgrade.
What buyers praise
- Crisp, detailed midrange and vocals
- Punchy midbass and usable low-bass for a 6.5"
What to watch for
- Performance can depend on vehicle power: several reviewers said the speakers benefited from an aftermarket amplifier and sounded weak or worse-than-stock on…
Overview
Much time was invested in the research of the perfect material for the C 165 woofer cones: through a long process of customisation of the materials SPP-M was selected (Semi Pressed Paper-Mica), which preserves the natural sound of the semi-pressed paper and enhances it with Mica powder improving rigidity. The result is an excellent balance between lightness and damping, essential for a powerful and controlled emission. The oversized ferrite magnet provides excellent control even at higher excursions.6
Highlights
Key features
- 165 mm (6.5 in.) semi-pressed paper cone SPP-M (Semi Pressed PaperMica) enhanced with Mica powder for an excellent balance between lightness and damping.
- High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
- 25 mm (1 in.) voice coil featuring an aluminum former to guarantee high excursion and power handling.
- Compact and transparent three-spoke basket acoustically combined with a rubber magnet cover for total damping of spurious vibrations.
- Optional elegant grille made with high-resistance ABS plastic structure with a metallic finish combined with a protective metal mesh.
- SPP-M
Technologies
SPP-M
SPP-M (Semi Pressed Paper-Mica) cone enhanced with Mica powder for an excellent balance between lightness and
Specs
Technical Specs
12
| Component | Woofer |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 70 |
| Power Handling - Peak W | 210 |
| Impedance Ohm | 4 |
| Voice Coil Ø | 25 (1) |
| Frequency Response Hz | 55 ÷ 7k |
| Magnet size D x d x h mm (in.) | 85 x 32 x 15 (3.35 x 1.26 x 0.59) |
| Weight of one speaker kg (lb.) | 0,96 (2.12) |
| Magnet | High density flux ferrite |
| Cone | Semi-pressed paper+ Mica |
| Xmech mm (in.) | 4,9 (0.19) |
Electro-acoustic Specs
12
| D mm | 131,5 |
| Re Ohm | 3,2 |
| Fs Hz | 60 |
| Le mH | 0,2 |
| Vas I | 13,24 |
| Mms g | 13,9 |
| Cms mm/N | 0,51 |
| BL T*m | 4,9 |
| Qts | 0,59 |
| Qes | 0,69 |
| Qms | 3,9 |
| Spl dB | 93 |
Physical Specs
6
| 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. |
Frequency response
Visual spec reference.
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