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Description
Autotek SM-1200.4D STREET MACHINE Series 1200W Class-D Full-Range 4-Channel AmplifierAutotek Street Machine SM 1200. 4D Compact Full Range Class D 4 Channel Amplifier 1200 Watts The Autotek SM 1200. 4D brings the legendary power of the Street Machine series into a modern, high efficiency Class D platform. This 4 channel powerhouse is designed for enthusiasts who need to drive front and rear speakers with crystal clarity or bridge a pair of channels to run a subwoofer alongside cabin speakers. By utilizing a Full Range Class D
Autotek Street Machine SM-1200.4D Compact Full Range Class D 4-Channel Amplifier – 1200 WattsThe Autotek SM-1200.4D brings the legendary power of the Street Machine series into a modern, high-efficiency Class D platform. This 4-channel powerhouse is designed for enthusiasts who need to drive front and rear speakers with crystal clarity or bridge a pair of channels to run a subwoofer alongside cabin speakers. By utilizing a Full Range Class D topology, the SM-1200.4D delivers massive power in a "Small Footprint" chassis, making it the perfect solution for installation in tight spaces like under seats or behind truck panels. Featuring a brushed aluminum heatsink for superior thermal management and a comprehensive suite of onboard signal processing, this amplifier provides the headroom and versatility needed to define your sound stage.
Key Features
- High-Efficiency Class D: Full-range Class D circuitry provides high power output with minimal heat soak and a reduced electrical footprint
- 4-Channel Versatility: Delivers 1200 Watts of Peak power; ideal for running four door speakers or two speakers plus a bridged subwoofer
- Small Footprint Design: Compact chassis allows for versatile mounting options in modern vehicles where space is at a premium
- Pro-Fi™ MOSFET Performance: High-speed MOSFET components ensure stable power delivery and high-quality audio reproduction across the frequency spectrum
- Variable Electronic Crossovers: Features independent 12dB per octave High Pass (HP) and Low Pass (LP) filters to precision-tune your speakers and subwoofers
- Onboard Bass Boost: Built-in 45Hz Bass EQ provides up to 9dB of adjustment to add extra "thump" to your low-end
- Quick-Connect Inputs: Equipped with nickel-plated RCA inputs for the best signal transfer and resistance to corrosion
- Multi-Mode Operation: Allows for simultaneous stereo and mono operation (3-channel mode) when used with appropriate crossovers
- Full System Protection: Advanced circuitry guards against thermal overload, short circuits, and DC offset
- 1200 Watts Peak Power
- Frequency Response: 10Hz – 22kHz
- Dimensions: 8.25" L x 5.5" W x 2.1" 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 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 1
Still soft but looks terrible after 1 wash. Save your money
Color: White, Size: Small, Color: White, Size: Small
Update: sweater looked great when I received. After 1 wash it looks terrible. Looks like it’s been washed too many times, material fuzzy and piled. After wearing it once, it snagged and the knit pulled through. I would NOT recommend. I had such high hopes. Save your money.
Very nice sweater, especially for the price! I love the details of the buttons on the sleeves. It is SO soft. It’s not super thick as I can see my skin through it when pressing my hand up against fabric. However, it’s not see through when wearing it. It’ll be perfect in cooler weather and perfect in the winter with a coat but won’t cause me to overheat when in a heated environment. I do feel like it runs big. I could have sized down a size. Although I’m not sure if it’ll shrink after a wash or two.
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Reviewed in the United States on September 22, 2025
★★★★★ 3
Disappointed.
Color: Blue, Size: Large, Color: Blue, Size: Large
This sweater is so comfortable and very soft. It fits well in a flattering, oversized way. But after one wash it is pilled everywhere which makes it look old and shabby. It’s at a price point where I feel compelled to return it.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Perfect!
Size: Medium, Color: Pure Black
Well made, soft comfortable and looks great.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
So soft
Size: Large, Color: Pure Black
Loved. Soft and cute
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Reviewed in the United States on April 27, 2026
★★★★★ 2
cute but not the material I expected
Size: Small, Color: Pure Black
This was really cute, well made and fit as expected. Unfortunately, I have sensitive skin and I found the material to be scratchy so I sent it back.
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Reviewed in the United States on April 19, 2026