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Hertz Uno 6.7" Component Speaker System-K 170

Model #: K 170
At a Glance

The K 170 Uno system features a 24 mm (0.9') diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size.

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Get to know this product.

The annular acoustic lens is optimized for exceptional off-axis performance, ensuring an accurate stereo image. The 6.7” woofers features a pressed-paper cone with foam surround, for high SPL and solid bass. The 25 mm(1') 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.

T 24 – Tweeter:

  • 1. 24mm diaphragm Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies in a compact size.
  • 2. Annular acoustic lens optimized for exceptional off-axis performance.
  • 3. 6dB/Oct crossover integrated on tweeter wiring.
  • 4. Mounting accessories for external or embedded mounting include

V 170 – Woofer:

  • 1. V-cone® design for best off-axis response, clear mid-high frequency detail and powerful bass.
  • 2. Foam surround combining high sensitivity and deep bass response.
  • 3. Pure copper 25 mm (1 in.) voice coil woofer for high dynamic power handling.
  • 4. High flux density 80mm (3.15 in.) ferrite magnet for a powerful undistorted sound.
  • 5. Easy-to-install DIN size basket protected by abrasion-resistant dust paint.


The exponential profile gets very close to the perfect one, providing exceptional dispersion.



Power Handling - Peak W280
Power Handling - Continuous W70
Impedance ?4
Frequency response Hz55 ÷ 23k
Sensitivity dB SPL93.5
Voice coil Ø mm (in.)25(1)
Woofer size mm (in.)170 (6.7)
Tweeter size mm (in.)24 (0.9)
Woofer magnetHigh density flux ferrite
Tweeter magnetNeodymium
Woofer coneWater-repellent pressed paper
Tweeter domePEI
Crossover type6 dB/Oct tweeter integrated

Misc. Specs

Impedance4 Ohms
Woofer Size6.7
Mounting Hardware IncludedNo
Rms Power Handling70
Water ResistantNo
Peak Power Rating (Watts)280
Shallow MountNo
WarningProposition 65 Warning for California Residents