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Reviewers find the Hertz K 165 delivers much clearer highs and vocals and is significantly more efficient than many factory speakers, making it a strong, affordable upgrade; expect some installation tweaks and limited low-end unless powered or EQ'd.
Buyer confidence
85%Highlights
- T 24 – Tweeter:
- 24mm diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size.
- Annular acoustic lens optimized for exceptional off-axis performance.
- 6dB/Oct crossover integrated on tweeter wiring.
Key specs
Full specs- Component
- System
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 75
- Power Handling - Peak W
- 300
- 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
- System
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 75
- Power Handling - Peak W
- 300
Highlights
Overview- T 24 – Tweeter:
- 24mm diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size.
- Annular acoustic lens optimized for exceptional off-axis performance.
Review highlights
Based on customer reviewsHertz K 165 component kit — clear, efficient OEM upgrade with good value
Reviewers find the Hertz K 165 delivers much clearer highs and vocals and is significantly more efficient than many factory speakers, making it a strong, affordable upgrade; expect some installation tweaks and limited low-end unless powered or EQ'd.
What buyers praise
- Clear, detailed tweeters and improved vocal clarity
- High efficiency — performs well with factory head units
What to watch for
- Tweeter housings are often a tight fit and may require trimming, sanding, or modification to seat properly
Overview
The K 165 Uno system features a 24 mm (0.9ˈ) diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size. The annular acoustic lens is optimized for exceptional off-axis performance, ensuring an accurate stereo image. The 6.5” woofers features a pressed-paper cone with foam surround, for high SPL and solid bass. 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 6dB/Oct crossover is integrated on the tweeter wiring for an easy OEM upgrade.
Highlights
Key features
- T 24 – Tweeter:
- 24mm diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size.
- Annular acoustic lens optimized for exceptional off-axis performance.
- 6dB/Oct crossover integrated on tweeter wiring.
- Mounting accessories for external or embedded mounting included.
- V 165 – Woofer:
- V-cone® design for best off-axis response, clear mid-high frequency detail and powerful bass.
- 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.
- V-CONE®
Technologies
V-CONE®
The exponential profile gets very close to the perfect one, providing exceptional dispersion.
Specs
Technical Specs
14
| Component | System |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 75 |
| Power Handling - Peak W | 300 |
| 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) |
| Sensitivity dB SPL | 93,5 |
| Frequency Response Hz | 55 ÷ 23k |
| Crossover Cut off | - |
| Crossover Type | 6 dB/Oct tweeter integrated |
| Weight of one component - Woofer | 0,7 (1.54) |
| Weight of one component - Tweeter kg (lb) | 0,03 (0.07) |
Physical Specs
4
| A | 164,6 mm | 6,48 in. |
| B | 144 mm | 5.67 in. |
| C | 69 mm | 2.72 in. |
| D | 63 mm | 2.48 in. |
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