Rockford Fosgate T1675-S Power Series 6.75" 200W Peak Power Handling at 4-Ohms, 2-Way Component Car Speaker System
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What's Inside?
- • 6.75" Power Series Component Car Speaker System
- • (2) 6-3/4" Woofers
- • (2) Woofer grilles
- • (2) 1" Tweeters (with attached 6" speaker wire terminated with female quick-slide connectors)
- • (2) Crossovers
- • (2) Front flush mount tweeter brackets
- • (2) Rear flush mount tweeter brackets
- • (2) Surface mount tweeter housings
- • (4) Tweeter trim rings
- • (2) 6x9/5x7 Adapter brackets
- • (2) M4x25mm Machine screws
- • (2) M4x10mm Machine screws
- • (2) M4x15mm Stud bolts
- • (8) 1-1/4" Allen head screws
- • (1) 3mm Allen head bit
- • (8) Speed clips
- • Installation/Operation Instructions (English/ French/ Spanish/ German/ Italian)
- • Owner's Manual
Why Choose Rockford Fosgate T1675-S Component System?
Carbon Fiber Clarity Engine
The Rockford Fosgate T1675-S brings a serious upgrade to your factory sound with injection-molded carbon fiber-filled polypropylene woofers built for real precision. That uniform cone structure keeps everything tight and controlled, so vocals, instruments, and midbass hit with clarity instead of distortion. Add in VAST Surround Technology that expands the effective cone area without needing a bigger basket, and you get stronger output and better efficiency without sacrificing fitment.
Built Tough for Real-World Conditions
This system is made to handle daily abuse without losing performance. The butyl rubber surrounds keep cone movement stable even in heat, cold, and long listening sessions, while reducing unwanted distortion for cleaner sound overall. A rigid StampCast steel basket locks everything in place, cutting down unwanted vibrations so what you hear is clean, controlled, and consistent even when you push the volume.
Flexible Install and Fully Tuned Control System
Installation and tuning are where this system really stands out. FlexFit mounting gives you small adjustments for easier alignment across different vehicles, while multi-OEM adapters support 5x7, 6x8, and 6x9 applications with minimal modification. On the high-frequency side, the 1-inch tweeters can be flush or surface mounted with angle options, and the crossover gives you full control with adjustable level settings and axis tuning so you can dial in your sound exactly how you want it.
Frequently Asked Questions (FAQ)
- • Why do the tweeters sound too bright or harsh?
Some installations can produce aggressive highs depending on vehicle acoustics and aiming. Adjust the EQ, crossover settings, and tweeter positioning for smoother response.
- • Why isn't the midbass as strong as expected?
Door sealing and mounting have a major effect on midbass. Use proper speaker baffles, seal the mounting surface, and add sound-deadening material where needed.
- • Do I need an amplifier to get good performance?
They can run from a head unit, but an amplifier provides more headroom. Users have reported noticeably better performance after adding external amplification.
- • Why do the speakers distort at higher volume?
Clipping, excessive gain, or demanding low frequencies can cause distortion. Set the gains properly and use a suitable high-pass filter for cleaner output.
- • Will these fit a factory 6-1/2-inch opening?
Not always. The 6-3/4-inch woofers may require spacers or adapter brackets, so check the vehicle opening, mounting depth, and clearance before installation.
- • Why is the crossover difficult to install?
The included crossovers are relatively large and may not fit conveniently inside some doors. Consider mounting them in a protected location elsewhere.
- • Why does the system sound thin after installation?
Incorrect polarity, poor door sealing, insufficient amplifier power, or missing low-frequency support can cause a thin sound. Check the wiring and installation first.
- • Why is there too much energy around the upper midrange?
Some users have reported a noticeable response peak around the 1 kHz to 3 kHz region. Careful EQ adjustment can help balance the overall presentation.
- • Can the woofers provide enough bass without a subwoofer?
They can deliver strong midbass, but they are not a substitute for a dedicated subwoofer. A sub can provide the deeper low-frequency extension missing from the doors.
- • What should I check if one side sounds different?
Check polarity, crossover connections, speaker wiring, tweeter placement, and amplifier channels. Swapping channels can help identify whether the problem is installation or equipment.
- Diameter : 6.75 Inch
- Sensitivity : 89 dB
- Frequency Response : 55-22000 Hz
- Peak Power Handling : 200 Watts
- RMS Power Handling : 100 Watts
Features:
- High-Precision Injection-Molded Carbon Fiber Woofer Design: The Rockford Fosgate T1675-S utilizes injection-molded carbon fiber filled polypropylene cones to ensure uniform thickness, delivering improved linearity, clarity, and reduced distortion for accurate midrange and bass response.
- Durable Butyl Rubber Surround Performance Engineering: Butyl rubber surrounds maintain stable cone movement under extreme conditions while minimizing harmonic distortion, resulting in smoother frequency response and long-term durability.
- Expanded Acoustic Output VAST Surround Technology: Vertical Attach Surround Technique increases effective cone radiating area without enlarging the basket, improving efficiency and overall sound output performance.
- Rigid StampCast Steel Basket Construction: Built with a heavy-duty StampCast steel frame, the system provides enhanced structural rigidity, reducing unwanted resonance for cleaner and more controlled audio performance.
- Flexible Installation with FlexFit Mounting System: Slotted FlexFit basket design allows slight adjustment during installation, improving alignment and making installation easier across multiple vehicle configurations.
- Multi-OEM Mounting Adapter Compatibility System: Includes adaptable brackets designed for installation in 5x7, 6x8, or 6x9 applications, offering wide vehicle compatibility with minor modification when required.
- High-Output 1-Inch Tweeter Mounting Flexibility: 1-inch treated cloth dome tweeters support flush or surface mounting with selectable 10-degree or 30-degree angles for optimized sound direction and imaging.
- Adjustable Tweeter Output Control System: Built-in crossover switches allow tweeter level adjustment at -2 dB, 0 dB, or +2 dB, along with axis control for on-axis or off-axis tuning.
- Advanced Bi-Amp Crossover Network Design: Supports separate woofer and tweeter inputs with bi-amp capability, allowing dedicated amplification channels for improved clarity and system control.
- High-Current Crossover Wiring Compatibility System: Set screw terminal design supports up to 12-gauge wire, ensuring secure connections and efficient signal transfer for stable system performance.
Specifications:
- Tweeter Size (Nominal Diameter): 1" (25.4 mm)
- Midrange Size (Nominal Diameter): 6.75"
- Crossover: 12dB/Octave
- Tweeter Mounting Depth: 0.50" (13 mm)
- Frequency Response (Hz): 55Hz - 22kHz
- Grille/Trim Ring Included: Yes
- Speaker Type: Component System
- Mounting Hardware: Yes
- Shipping Weight: 10.7 Lbs. (4.85 kg.)
- Midrange Mounting Depth: 2.51" (64 mm)
- CEA-2031 Compliant: CEA-2031 Guidelines
- Nominal Impedance: 4-Ohms
- 100 watts RMS
- 200 Watts MAX
- Sensitivity (dB @ 1W/1M): 89
- UPC: 780687341138
- Weight: 8
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Got an immediate clarity with these new speakers. The components fit right in my Camry, and they sound way much better than the stocks. Beginning to be a fan of Rockford, and hopefully they’ll never fail me
