Hertz UNO Series X 170 6.75" 2-Way Coaxial Speakers (Pair) – 50W RMS

Hertz UNO X 170 is a 6.75-inch (170mm) 2-way coaxial speaker pair designed for factory replacement and clean aftermarket upgrades where you want better clarity and output without changing system layout.

Each speaker handles 50W continuous power (200W peak) and uses a coaxial layout (woofer + tweeter) with a built-in crossover for straightforward installation on a wide range of factory locations.

Key Performance Features

• 6.75" (170mm) 2-way coaxial speaker design
• Woofer: pressed paper cone with TPU surround
• Tweeter: 24mm PEI dome with neodymium magnet
• Woofer motor: ferrite magnet
• Built-in crossover network

Power Handling

• Continuous: 50 W
• Peak: 200 W
• Impedance: 4 Ω

Installation Notes

• Mounting depth: 60 mm (2.36 in.)
• Physical dimensions: A 173 mm / 6.81 in; B 144 mm / 5.67 in; C 71 mm / 2.8 in; D 60 mm / 2.36 in

Buyer Use Cases

• Factory speaker replacement upgrade (front or rear)
• Aftermarket head unit + coaxial speaker refresh
• OEM locations where a 170mm / 6.75" coaxial fits

Technical Specifications

• Brand: Hertz
• Series: UNO
• Model: X 170
• Component Type: 2-way coaxial speakers (pair)
• Size: 170 mm (6.75 in.)
• Power Handling (Continuous): 50 W
• Power Handling (Peak): 200 W
• Impedance: 4 Ω
• Frequency Response: 60 Hz – 21 kHz
• Woofer Voice Coil Ø: 25 mm (1.0 in.)
• Tweeter Voice Coil Ø: 14 mm (0.55 in.)
• Tweeter Diaphragm: 24 mm (0.94 in.)
• Woofer Magnet Size (D x d x h): 80 x 32 x 10 mm (3.15 x 1.26 x 0.39 in.)
• Weight (one speaker): 0.56 kg (1.23 lb)
• Woofer Magnet: Ferrite
• Tweeter Magnet: Neodymium
• Woofer Cone: Water-repellent pressed paper
• Tweeter Dome: PEI
• Xmech: ±3 mm (±0.12 in.)

What’s Included

• (2) Hertz UNO X 170 coaxial speakers

Why Buy From MCOR Automotive

• Authorized Hertz retailer
• Fitment and system-matching support from an install-capable shop
• Fast fulfillment with real-world 12V experience

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.