About the Rockford Fosgate R1T-S

Put Rockford Fosgate sound in your car without breaking the bank. Whether you're customizing your existing system or replacing some burned-out tweeters, Prime tweeters offer clean, crisp performance that'll keep you and your friends entertained as you drive.
The Prime R1T-S tweeters feature Mylar balanced dome construction that ensures wide dispersion and clear soundstage details. Install a set in your vehicle, and you'll enjoy vibrant highs that add excitement to your music without grating on your ears. Built-in high-pass filters ensure a smooth audio response, so these tweeters will reproduce your highs faithfully.
Installation note: You'll need a pair of our universal backstraps to install these tweeters in the factory locations.
Priced per pair
Product highlights:
- Mylar balanced dome tweeters (pair)
- flush- and surface-mount hardware included
- 4.5kHz, 6 dB/oct passive crossovers built-in
- power handling: 2-40 watts RMS (80 watts peak power)
- frequency response: 2,500-22,000 Hz
- sensitivity: 72.5 dB
- top-mount depth: 3/4"
- grilles included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # R1T-S
What's in the box:
Rockford Fosgate R1T-S owner's manual
- 2 Tweeters (with attached 6' speaker wire terminated by quick-slide connectors)
- 2 Flush mounting brackets (installed)
- 2 Flush mount retaining rings
- 2 Surface mounting brackets
- Four 5/8" Flat head screws
- Installation and Operation instructions (English/ French/ Spanish/ German/ Italian)
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More details on the Rockford Fosgate R1T-S

Features & specs
General | ||
---|---|---|
Speaker Size | 1/2 | |
Design | 1-way | |
Tweeter Design | Balanced Dome | |
Impedance (Ohms) | 4 | |
Tweeter Composition | Mylar | |
Woofer Composition | --- | |
Woofer Surround | --- | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | 72.5 | |
Sensitivity at 2.83 volts | 75.5 | |
Frequency Response | 2500 - 22k Hz | |
Minimum RMS Wattage | --- | |
Maximum RMS Wattage | 40 | |
Peak Power Handling (Watts) | 80 | |
Top-mount Depth (Inches) | 0 11/16 | |
Bottom-mount Depth (Inches) | 0 3/4 | |
Cutout Diameter or Length (inches) | 1 7/8 | |
Mounting Height (Inches) | 1.095 |
Product Research
Features
Overview: The Rockford Fosgate Prime R1T-S is a dedicated tweeter system featuring a lightweight Mylar dome. Multiple tweeter mounting configurations allow flush, surface, and angle configurations.
Mylar Dome Tweeter: The Prime R1T-S features a lightweight Mylar dome tweeter for high sensitivity and smooth extended frequency response. This low distortion material allows accurate reproduction of high frequencies for an open sound stage.
Crossover: The R1T-S tweeter has an integrated 6 dB/octave high-pass crossover fixed at 4,500 Hz.
Mounting: The Rockford Fosgate R1T-S provides multiple mounting configurations. You can choose a flush mount, surface mount, or angle mount installation. You can further angle the tweeter once installed in any of the included mounts.
Tweeter Mounting Dimensions | Flush | Surface | Angle |
Mounting Height | 0.3125" | 1.095" | 1.875" |
Mounting Depth | 0.75" | 0.6875" (screw depth) | 0.625" (screw depth) |
Frame Diameter | 2.125" | 1.815" | 1.815" |
Cutout Diameter | 1.835" | N/A | N/A |
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With the stock speakers essentially 4 mid range woofers, the addition of these tweeters has transformed the Subaru's sound system. Great speakers!
Lance G from Santa Fe, NM