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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
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For Your Every Summer RSVP, with Code: SUMMER15
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
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 4
Great quality/ customer support
Color: Silver/Black/Gold
I had to order a replacement because the first box was damaged and had been previously opened. Thankfully it’s was super easy and fast to do, i got the new one and is amazing, its chic and classic. It’s the perfect size for small writs!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Serves the purpose
Color: Silver/Black/Gold
Looks very nice for an inexpensive watch. And keeps time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 5
Me encantó
Color: Silver/Black/Gold
Se ve elegante, el precio está bien para cómo se ve y se siente, y es versátil a la hora de usar con cualquier ropa. Esta serie de casio, para mí, es bastante calidad precio
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 3
Watch arrived running
Color: Silver/Black/Gold
Watch arrived running God knows for how long. Otherwise its a nice looking piece
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
It’ll be a nice cosplay (Polka-Dot Man)
Prompt shipment. As described. Great seller. Would recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
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