Clean, detailed midrange and treble with high sensitivity that makes them loud and distortion-free on many factory head units; a solid, easy-to-install upgrade over stock speakers, though bass is modest and may benefit from subsystem tweaks.
Buyer confidence
86%Highlights
- Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies and compactness.
- Tweeter faceplate optimized for exceptional off-axis performance.
- High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment.
- Foam surround combining high sensitivity and deep bass response.
Key specs
Full specs- Component
- Coaxials
- Size mm (in.)
- 170 (6.7)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 200
- Impedance Ohm
- 4
- Tweeter diaphragm mm (in.)
- 24 (0.9)
- Woofer Voice Coil Ø mm (in.)
- 25 (1)
- Tweeter Voice Coil Ø mm (in.)
- 14 (0.55)
Key specs
Full specs- Component
- Coaxials
- Size mm (in.)
- 170 (6.7)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 200
Highlights
Overview- Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies and compactness.
- Tweeter faceplate optimized for exceptional off-axis performance.
- High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment.
Review highlights
Based on customer reviewsHertz X 170 — clear, efficient OEM-replacement coaxials
Clean, detailed midrange and treble with high sensitivity that makes them loud and distortion-free on many factory head units; a solid, easy-to-install upgrade over stock speakers, though bass is modest and may benefit from subsystem tweaks.
What buyers praise
- Clear, balanced mids and highs — noticeable step up from factory speakers
- High sensitivity/efficiency — plays loudly and cleanly on many stock head units
What to watch for
- Bass is lean compared with some aftermarket speakers — expect less punch unless you add an amp, EQ, or sound deadening
Overview
The 25 mm(1ˈ) woofer voice coil driven by a high-flux density ferrite magnet offers a highly dynamic power handling for a powerful undistorted sound. The easy-to-install DIN size basket, protected by an abrasion-resistant dust paint, makes the factory speakers replacement a snap.
Key features
- Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies and compactness.
- Tweeter faceplate optimized for exceptional off-axis performance.
- High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment.
- Foam surround combining high sensitivity and deep bass response.
- Pure copper 25mm (1 in.) voice coil woofer for high dynamic power handling.
- High flux density 80mm (3.15 in.) ferrite magnet for a powerful undistorted sound.
- Easy-to-install DIN size basket protected by abrasion-resistant dust paint.
Specs
Technical Specs
| Component | Coaxials |
| Size mm (in.) | 170 (6.7) |
| Power Handling - Continuous W | 50 |
| Power Handling - Peak W | 200 |
| Impedance Ohm | 4 |
| Tweeter diaphragm mm (in.) | 24 (0.9) |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 14 (0.55) |
| Frequency Response Hz | 60 ÷ 21k |
| Woofer Magnet size D x d x h mm (in.) | 80 x 32 x 10 (3.15 x 1.26 x 0.39) |
| Weight of one speaker kg (lb.) | 0,56 (1.23) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Water-repellent pressed paper |
| Dome | PEI |
| Xmech mm (in.) | ±3 (0.12) |
Physical Specs

| A | 165 mm | 6.5 in. |
| B | 140 mm | 5.51 in. |
| C | 51 mm | 2.01 in. |
| D | 45 mm | 1.77 in. |
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