Hertz Uno X 165 is a 6.5" (165 mm) 2-way coaxial speaker pair designed for direct factory replacement where improved clarity and efficiency are desired without changing the head unit or factory wiring. Each speaker is rated at 55 W RMS continuous with a 4 Ω load, and features a balanced 2-way design with a tweeter and woofer integrated into a single speaker assembly for wideband response and simpler installation. Key Performance Features 6.5" (165 mm) 2-way coaxial speaker design Water-repellent pressed-paper woofer cone for durability PEI dome tweeter for extended high-frequency response Foam surround for controlled cone motion Ferrite woofer magnet and neodymium tweeter magnet Built-in crossover network for balanced driver integration Power Handling Continuous (RMS): 55 W per speaker Peak: 165 W per speaker Impedance: 4 Ω Sensitivity: ~92–93 dB SPL (manufacturer published range) Installation Use Cases Factory 6.5" speaker replacement in doors or rear deck OEM head unit + aftermarket coaxial upgrade Basic amplifier-powered systems matching RMS ratings Technical Specifications Brand: Hertz Series: Uno Model: X 165 Type: 2-way coaxial Speaker Size: 165 mm (6.5") Power Handling (RMS): 55 W Power Handling (Peak): 165 W Impedance: 4 Ω Frequency Response: ~60 Hz – 21 kHz Woofer Voice Coil Ø: 25 mm (1") Tweeter Dome Ø: ~20 mm (0.8") Woofer Magnet: Ferrite Tweeter Magnet: Neodymium What’s Included (2) Hertz Uno X 165 coaxial speakers (pair) Why Buy From MCOR Automotive Authorized Hertz retailer Speaker fitment and system-matching support Fast fulfillment with 12V audio expertise Physical Specs 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. Fitment, Installation & Warranty Notes Fitment Help: Need help confirming fitment, compatibility, amplifier matching, or installation parts? Use our Fit Guide or contact us through the chat button before ordering. Authorized Retailer: MCOR Automotive is an authorized Hertz retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.
