Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
MTX TH400.4 Thunder Series 400W RMS Class-D Full-Range 4-Channel AmplifierMTX TH400. 4 Thunder Series 4 Channel Amplifier 400W RMS, Full Range Class D The MTX TH400. 4 is a compact, high performance 4 channel amplifier from the legendary Thunder Series, designed to deliver crystal clear, full range audio to your entire speaker system. Engineered with high efficiency Class D topology, it provides 100 Watts RMS per channel at 2, ensuring your music remains distortion free even at high output levels. Its small footprint allows
MTX TH400.4 Thunder Series 4-Channel Amplifier – 400W RMS, Full-Range Class DThe MTX TH400.4 is a compact, high-performance 4-channel amplifier from the legendary Thunder Series, designed to deliver crystal-clear, full-range audio to your entire speaker system. Engineered with high-efficiency Class D topology, it provides 100 Watts RMS per channel at 2Ω, ensuring your music remains distortion-free even at high output levels. Its small footprint allows for flexible installation in tight spaces, while premium features like Tiffany-style RCA inputs and a built-in clip detection light make it a favorite for audiophiles seeking professional-grade tuning and reliability.
Key Features
- Thunder Series Full-Range 4-Channel Amplifier
-
Power Handling (RMS):
- 100W x 4 @ 2Ω
- 50W x 4 @ 4Ω
- 200W x 2 Bridged @ 4Ω
- Class D Technology: Full-range efficiency with minimal heat and a compact chassis
- Clip Detection Light: Integrated LED indicator to help set the perfect gain and prevent signal clipping
- Tiffany-Style RCA Inputs: Ensures a high-quality, secure connection for superior signal transfer
- Built-in Variable High Pass & Low Pass Crossovers (40Hz – 400Hz)
- Dyno Certified: Includes a certificate proving the amplifier meets or exceeds rated power
- Surface Mount Technology (SMT) for increased resistance to road vibrations
- 10V High-Level Input Compatibility for easy integration with factory head units
- Frequency Response: 20Hz – 20kHz
- Signal-to-Noise Ratio: >98dB
- Dimensions: 6.75" L x 7.0" W x 2.0" H
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
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Product Reviews
★★★★★ 3
Runs small
Size: X-Large, Color: Navy
Runs small and is short. Nice dark navy color. I ordered a size up and it is still small.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Great tee
Size: X-Large, Color: Medium Grey Heather
It’s a nice cotton material…not thin, just perfect. After washing, it also kept its shape.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Wonderful t-shirts
Size: X-Large, Color: Medium Grey Heather
These t-shirts are well made and have a nice thick feel to them. The sizing is spot on.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Unpaid and honest review
Size: Small, Color: Navy
Nice fit ,lightweight ,good quality and very very affordable ,comfy.Recommended
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Reviewed in the United States on June 10, 2026
★★★★★ 4
Runs small
Size: XX-Large, Color: Navy
Definitely go a size up. These run a whole size smaller than designated. Material is also heavier than a regular t-shirt. Quality seems okay
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Reviewed in the United States on May 17, 2026