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Variants
The Rockford Fosgate T1675 delivers clearer highs, fuller midbass and noticeably deeper sound than many OEM speakers. They sound excellent on a stock head unit and improve further with an amplifier, though some users encountered fitment tweaks and a rare mechanical issue causing rattling.
Buyer confidence
88%Highlights
- 1 Year Warranty
- OEM adapter plate included
- Aluminum dome tweeter with polyurethane suspension
- Sold in pairs (2 each)
Key specs
Full specs- Nominal Impedance (Ohms)
- 4-Ohm
- Tweeter Size (Nominal Diameter)
- 1.1" (27.9 mm)
- Speaker Type
- 2-Way Coax
- Midrange Size (Nominal Diameter)
- 6.75"
- Power Handling (RMS)
- 75 Watts RMS 150 Watts Max
- Frequency Response (Hz)
- 55Hz - 22kHz
- Power Handling (RMS)
- 75 Watts RMS 150 Watts Max
- Frequency Response (Hz)
- 55Hz - 22kHz
Key specs
Full specs- Nominal Impedance (Ohms)
- 4-Ohm
- Tweeter Size (Nominal Diameter)
- 1.1" (27.9 mm)
- Speaker Type
- 2-Way Coax
- Midrange Size (Nominal Diameter)
- 6.75"
Highlights
Overview- 1 Year Warranty
- OEM adapter plate included
- Aluminum dome tweeter with polyurethane suspension
Review highlights
Based on customer reviewsClear, punchy 6.75" coaxials — big upgrade over factory, shines with an amp
The Rockford Fosgate T1675 delivers clearer highs, fuller midbass and noticeably deeper sound than many OEM speakers. They sound excellent on a stock head unit and improve further with an amplifier, though some users encountered fitment tweaks and a rare mechanical issue causing rattling.
What buyers praise
- Noticeably clearer, richer sound and deeper bass than factory speakers
- Performs well from a stock head unit and benefits significantly from an amplifier
What to watch for
- Some installations required drilling or modifying mounting holes or door openings for proper fit
Overview
The T1675 is a 6.75" 2-way full-range speaker pair from Rockford Fosgate’s Power series, rated at 75 Watts RMS and designed as a high-powered OEM-style replacement with shallow mounting depth.
Best for
- Replacing factory 6.75" speakers with a higher-power OEM-style option
- Installations that need a shallow-mount, drop-in speaker
- Owners who want included grilles and multi-OEM adapter plates for flexibility
- Systems that benefit from a pole-mounted tweeter and integrated crossovers
Key points
- Size: 6.75" (6.75-inch) 2-way full-range speaker
- Power handling: 75 Watts RMS
- Design: shallow mounting depth with pole-mounted tweeter
- Included: grilles, adapter plates, mounting hardware; sold in pairs
- Crossover: integrated concealed ICC crossover
- Technologies: CTA-2031, VAST Surround (speakers), FlexFit Basket, Klippel Verified, Offset Cantilever Coaxial Mounted Tweeter, ICC Crossover, Multi-OEM Adapter
Fit and use
Designed as a high-powered OEM replacement and drop-in option for many common factory speaker locations. The speaker set includes adapter plates and mounting hardware to aid fitment and comes in pairs. Confirm mounting depth, grille clearance and connector/wiring compatibility for your vehicle before installation.
What to know
These speakers feature integrated, concealed crossovers and a pole-mounted tweeter for improved on-axis high-frequency response. Verify the speaker diameter, mounting depth and adapter plate fit for your vehicle; check wiring compatibility and polarity when connecting. Sold as a pair; no additional items or fitment sp…
Highlights
Key features
- 1 Year Warranty
- OEM adapter plate included
- Aluminum dome tweeter with polyurethane suspension
- Sold in pairs (2 each)
- Carbon fiber & polypropylene injection molded cone
- FlexFit basket design
- ICC (Integrated Concealed Crossover) eliminates external black boxes
- Butyl midrange rubber surround
- CTA-2031
- VAST Surround (speakers)
- FlexFit Basket - Speaker
- Klippel Verified
More info
Manufacturer details
The T1675 is a 6.75” 2-way full-range speaker rated at 75 Watts RMS designed as a high-powered OEM replacement. Speakers include grilles with adapter plates, integrated concealed crossovers and mounting hardware. Sold in pairs (2 each)
Additional details
Get Power series sound quality in a drop-in speaker. These 6.75” 2-way full-range speakers inherent all the coolest features from - their big brother - the T1 component systems. Features include a pole-mounted tweeter, shallow mounting depth and integrated concealed crossovers. Be prepared, these are more than OEM replacement speakers, their sound quality has been perfected for true Rockford Fosgate fanatics!
Technologies
CTA-2031
Power handling on Rockford Fosgate speakers conform to CTA-2031 industry standards. This means your speaker has
Patent: Patent Pending
VAST Surround (speakers)
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective
FlexFit Basket - Speaker
The slot mounted frame pattern of the FlexFit basket utilizes slots (where feasible) instead of single screw sized
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
Offset Cantilever Coaxial Mounted Tweeter
Eliminates frequency response anomalies due to acoustic reflection between mid-range cone and rear of tweeter.
ICC Crossover
The Integrated Concealed Crossover hides the crossover inside the basket, creating a cleaner look and easier
Multi-OEM Adapter
Using a uniquely designed adapter plate, special "break-away" tabs can be removed to facilitate installation of
Specs
Specifications
13
| Nominal Impedance (Ohms) | 4-Ohm |
| Tweeter Size (Nominal Diameter) | 1.1" (27.9 mm) |
| Speaker Type | 2-Way Coax |
| Midrange Size (Nominal Diameter) | 6.75" |
| Power Handling (RMS) | 75 Watts RMS 150 Watts Max |
| Frequency Response (Hz) | 55Hz - 22kHz |
| Power Handling (RMS) | 75 Watts RMS 150 Watts Max |
| Frequency Response (Hz) | 55Hz - 22kHz |
| Grille/Trim Ring Included | Yes |
| Mounting Hardware | Yes Includes (1) pair 5"x7" / 6"x9" adapter plates |
| Crossover | Built-in tweeter crossover High-Pass (HP): 12dB/octave Butterworth |
| Shipping Weight | 8.2 Lbs. (3.72 kg.) |
| Sensitivity (dB @ 1W/1M) | 89 |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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