About the Rockford Fosgate T1650-S

Product highlights:
- component speaker system includes two woofers, two tweeters, two external crossover systems, and two woofer grilles
- 6-1/2" injection-molded carbon/polypropylene woofer
- Santoprene rubber surround
- cast aluminum frame
- separate 1" treated fabric dome tweeter
- flush- and surface-mount hardware included
- Vertical Attach Surround Technique (VAST™) increases cone area
- power range: 5-80 watts RMS (160 watts peak power)
- frequency response: 47-20,000 Hz
- sensitivity: 88 dB
- top-mount depth: 2-9/16"
- grilles included
- warranty: 1 year
- MFR # T1650-S
- Item # 575T1650S
What's in the box:
Rockford Fosgate T1650-S owner's manual
If you need assistance accessing this owner's manual, please give us a call.- 2 Woofers
- 2 Woofer grilles
- 2 Tweeters (6" speaker wire attached terminated with female quick-slide connectors)
- 2 Crossovers
- 2 Front flush mount brackets
- 2 Rear flush mount brackets
- 2 Angled surface mounting housings
- 2 Polished tweeter trim rings
- 2 Brushed tweeter trim rings
- Two M4x25mm Machine screws
- Two M4x10mm Machine screws
- Two M4x15mm Stud bolts
- Eight 1-1/4" Allen head screws
- 3mm Allen head bit
- 8 Speed clips
- Installation/Operation Instructions (English/ French/ Spanish/ German/ Italian)
More details on the Rockford Fosgate T1650-S

Features & specs
General | ||
---|---|---|
Speaker Size | 6 1/2 | |
Driver Design | 2-way | |
Woofer Design | Cone | |
Woofer Material | Carbon Fiber filled IMPP | |
Woofer Surround | Santoprene Rubber | |
Midrange Design | --- | |
Midrange Material | --- | |
Tweeter Design | 1" Dome | |
Tweeter Material | Treated Fabric | |
Super Tweeter Design | --- | |
Super Tweeter Material | --- | |
Impedance (Ohms) | 4 | |
Weather-resistant | No | |
Grilles Included | Black, Metal mesh, Plastic frame | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | 88 | |
Sensitivity at 2.83 volts | 91 | |
Frequency Response | 47 - 20k Hz | |
Maximum RMS Wattage | 80 | |
Peak Power Handling (Watts) | 160 | |
Top-mount Depth (Inches) | 2 9/16 | |
Bottom-mount Depth (Inches) | 2 7/8 | |
Cutout Diameter or Length (inches) | 5 1/2 | |
Mounting Height (Inches) | 0.535 | |
Frame Width | 6.513 | |
Frame Length | 6.513 |
Product Research
Features
Injection-Molded Woofers: The woofer cones are injection-molded carbon fiber filled polypropylene. This molding process assures a uniform cone thickness for superior linearity and clarity. It is also light weight and rigid for decreased distortion and improved bass response.
Klippel Verified: The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Rockford Fosgate optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.
VAST Surround: The Vertical Attach Surround Technique (VAST) increases a speaker's effective radiating cone area without increasing the size of the basket.
FlexFit 2 Basket: The FlexFit 2 frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.
Size Classification Note: Some manufacturers, including Rockford Fosgate, call this size speaker a 6-1/2". Because it requires a larger cutout than a standard 6-1/2" speaker, Crutchfield has traditionally referred to this size woofer as a 6-3/4". Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.
Mounting: The 1" treated cloth dome tweeters have multiple mounting configurations; choose flush or surface mount. The surface mount housing can be positioned at two angles, approximately 10° or 30° angle. Depending on the mount used, the installed dimensions are:
Flush | Surface 10° | Surface 30° | |
---|---|---|---|
Mounting Height | 0.40" | 1.092" | 1.340" |
Mounting Depth | 0.912" | Screw Depth | Screw Depth |
Frame Diameter | 2.357" | N/A | N/A |
Cutout Diameter | 1.75" | N/A | N/A |
Frame Width | N/A | 2.128" | 2.128" |
Frame Depth | N/A | 2.151" | 2.144" |
Tweeter Level: A switch on the side of each crossover allows you to adjust the output level of the tweeters to -2 dB, 0 dB, or +2 dB.
Tweeter Axis: Another switch on each crossover adjusts the tweeter output for on axis or off axis placement.
Bi-amp: The crossovers have discrete inputs for the woofer and tweeter, along with a bi-amp on/off switch, so each component can be powered by an individual amplifier channel.
Slope: The crossover slope is 18 dB/octave high pass and 12 dB/octave low pass.
Wiring: The crossover inputs and outputs are set screw clamps; they will accept bare wire up to 10-gauge.
Crossover Dimensions:
- Width: 4-5/8"
- Height: 1-3/8"
- Depth: 4-5/8"
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Customer Q&A
6 questions already asked
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Love these. Tweeters are smooth and clear and the mid bass is fantastic. Unfortunately Crutchfield's "does this fit" let me down. I had to do allot of modifications to get the woofer to fit in my door.
Alex from N Richlnd Hls, TX