Rockford Fosgate T1D415 Power T1 Series 15" 1000W RMS 4 Ohms, Dual Voice Coil Component Car Subwoofer
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What's Inside?
- • 15" Dual 4-ohm voice coil subwoofer
- • Grille
- • Fused 2-ohm/8-ohm SWIFT jumper (installed)
- • Non-Fused 2-ohm/8-ohm jumper
- • (12) 1-5/8" Allen head screws
- • 4mm Allen head bit
- • Installation/Operation manual (English/ French/ Spanish/ German)
- • Owner's Manual
Why Choose Rockford Fosgate T1D415 Component Car Subwoofer?
Rockford Fosgate Power T1 Series
A high-performance woofer that provides deep, powerful bass to a car's audio system. It features a large, cast aluminum frame and a high-strength motor structure that ensures excellent sound quality and power handling. The subwoofer's dual 2 ohm voice coils and 2.5” diameter high-temp voice coils provide a high-efficiency design with incredible power handling and low distortion. The paper-cone material used in the speaker provides durability and a controlled sound.
High-Strength Motor Structure
It features an extended-length, high-temperature voice coil for increased power handling, a copper shorting ring for improved high-frequency response, and an anodized aluminum former for added rigidity. The magnet structure is designed to minimize distortion and reduce power compression. Additionally, the motor is designed with a flex fit basket for easy installation. All of these features combine to provide an impressive power-handling capability of up to 1000 watts RMS.
Cast Aluminum Frame
The cast aluminum frame subwoofer is designed to deliver powerful bass and exceptional sound quality. It features a 2.15" voice coil, a 4-layer aluminum voice coil former, and a large motor structure for increased power handling. The cast aluminum frame provides superior rigidity and heat dissipation for maximum durability.
High-Temp Voice Coil
The subwoofer features a high-temp voice coil that is designed to provide maximum power handling, a large-roll surround for improved linearity, and a stiff, non-resonant stamped steel basket to ensure minimal distortion and maximum bass response. The T1D215 also features a cast aluminum frame that is designed to dissipate heat quickly, ensuring consistent performance over time.
Frequently Asked Questions (FAQ)
- • Why isn't the bass as strong as expected?
Check the enclosure volume, amplifier output, polarity, and gain settings. The wrong box can noticeably reduce bass performance and overall output.
- • What amplifier power should I use?
Around 1,000 watts RMS is a suitable target. Match the amplifier to the selected impedance and use clean power with proper gain settings.
- • How do I set the dual voice-coil impedance?
Use the selectable impedance feature to choose the appropriate load. Make sure the setting matches what your amplifier can safely handle.
- • Why does it sound better in a ported box?
A properly designed ported enclosure can produce stronger SPL and deeper output. Make sure the box volume and port tuning are correctly calculated.
- • Can I use a sealed enclosure instead?
Yes. A sealed enclosure can provide tighter and more controlled bass. Choose the recommended internal volume for the best results.
- • Why is my vehicle rattling after installation?
The high output can make trunk panels, trim, and spoilers vibrate. Tighten loose hardware and add sound-deadening material where needed.
- • Why does the bass distort at high volume?
Clipping, excessive gain, or dirty amplifier power can cause distortion. Lower the gain and make sure the amplifier is properly matched.
- • Why does it seem underpowered with my amplifier?
A lower-powered amplifier may still work, but it may not reach its full potential. Check the amplifier's RMS output and the selected impedance.
- • Why does the enclosure seem too large for my vehicle?
This is a large 15-inch subwoofer requiring substantial enclosure space. Measure the available area before building or purchasing a box.
- • What should I check if the bass suddenly stops?
Check the amplifier, fuse, wiring, terminals, impedance setting, and audio signal. Test each connection before assuming the subwoofer has failed.
- Diameter : 15 Inch
- Maximum Power : 2000 Watts
- Impedance : 4 Ohm
- Peak Power Handling : 2000 Watts
- Shallow Mount : No Inch
- Number of Voice Coils : Dual
- Suggested Sealed Box Volume : 2.25 Cubic ft.
- Suggested Ported Box Volume : 2.66 Cubic ft.
- Mounting Depth : 8.39 Inches
- RMS Power Handling : 1000 Watts
Features:
- Symmetrical dual progressive roll tear resistant poly-cotton spiders
- Proprietary 8 AWG insulated allmetal input spring terminal connection
- Optimized and matched magnetic and complicance geometry
- Periodic-stitched fatigue resistant tinsel lead wire
- High-temp voice coil with spun-laced Nomex® re-inforcement collar
- Anodized aluminum heat sinking dust cap
- Kevlar fiber reinforced paper cone
- Rigid die-cast aluminum basket
- Optimized pole piece and spider venting
- Anodized aluminum voice coil former / copper clad aluminum wire
- 1 Year Warranty
Specifications:
- Power Handling (Watts RMS)
- 1000 Watts RMS
- 2000 Watts Peak
- Magnet Weight: 229 oz. (6.49 kg)
- Voice Coil Diameter: 3.0" (75.5 mm)
- Size: 15"
- Nominal Impedance: Dual 4-Ohms
- Mounting Depth: 8.39 in. (213 mm)
- Qts: 0.51
- Qms: 6.00
- Fs (Hz): 27
- Woofer Displacement: 0.191 cu. ft. (5.4 Liters)
- Le (mH): 3.6
- Cutout Diameter: 13.9375 in. (354 mm)
- Speaker Connector: Compression Terminal
- SPL (dB @ 1w/1m): 87.5
- Shipping Weight: 53.75 Lbs. (24.4 Kg.)
- Qes: 0.55
- Vas (Liters): 102.0
- Xmax (mm): 16.4
- Re (Ohms): 6.50
- Sd (cm2): 845
- CEA-2031 Compliant: CEA-2031 Guidelines
- Subwoofer Type: Standard
- Voice Coil Type: Dual Voice Coil
- Sealed Box Volume (Vb): 2.25 cu. ft. (63.7 Liters)
- Vented Box Volume (Vb): 2.66 cu. ft. (75.3 Liters)
- UPC: 780687328962
- Weight: 54
- 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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For the first time I am at a loss for words. From the moment you pick this sub up you will realize what a sub should feel like. There is nothing negative I can say, no bad comment, and no regrets for getting two of these. I listened to several bass heavy songs and all I can say is a quote, " T1 subs thump bass period."
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I’ve got a P1 sub from Rockford before. I’m now trying their more expensive options, especially the T1s. This 15 inch T1 sub is so powerful. Really shake things up with its power output. So much better than old RF sub. Perfect upgrade to have with the same brand.