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Description

Rockford Fosgate Power T1S1-12

The Rockford Fosgate T1S1-12 is a 12-inch single 1-ohm Power T1 subwoofer designed to deliver deep, punchy, and precise bass in a variety of car audio systems. Featuring a reinforced cone and VAST surround technology, it maximizes cone area for louder and more accurate low-frequency response. With 600W RMS and 1200W Peak power handling, it is ideal for both sealed and ported custom enclosures, offering flexibility in tuning for tight, controlled bass or extended low-end performance. Its durable construction ensures reliable, long-term performance, making it perfect for daily driving, custom installations, or upgrading smaller factory subwoofers. The T1S1-12 delivers high-quality, consistent bass across all genres of music, significantly enhancing the in-car listening experience.


Features

Feature Details
Subwoofer Size 12″ (305 mm)
Frequency Response 30 Hz – 250 Hz
Sensitivity 87 dB @ 1W/1m
Impedance 1 Ohm (single voice coil)
Power Handling 500 watts RMS / 1000 watts peak
Cone Material Injection-molded polypropylene
Surround Material Santoprene for durability
Voice Coil 2.5″ (63 mm) high-temperature
Design Vented backplate for enhanced cooling
Included Accessories Mounting hardware

 


Specifications

Specification Details
Subwoofer Size 12″ (305 mm)
Power Handling (RMS) 500 watts
Power Handling (Peak) 1000 watts
Frequency Response 30 Hz – 250 Hz
Sensitivity 87 dB @ 1W/1m
Impedance 1 Ohm (single voice coil)
Cone Material Injection-molded polypropylene
Surround Material Santoprene
Voice Coil 2.5″ (63 mm) high-temp
Design Vented backplate for cooling

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Questions and Answers

Q1: Can the T1S1-12 be installed in both sealed and ported enclosures?

Yes, it performs efficiently in both types, providing tight bass in sealed boxes and extended low-end in ported boxes.

Q2: What amplifier is recommended for this subwoofer?

An amplifier rated around 600W RMS @ 1 ohm is ideal for optimal performance.

Q3: Is it suitable for SPL or competition builds?

Yes, it is designed to handle high power and deliver punchy, high-output bass.

Yes, it is designed to handle high power and deliver punchy, high-output bass.

It features a reinforced cone, cast aluminum frame, and VAST surround technology for long-term reliability.

Q5: Can it replace factory subwoofers directly?

Yes, but a custom enclosure will optimize sound performance.


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