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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
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 3
Runs large
Size: 7 Big Kid, Color: White
Runs very large.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽♀️
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose.
The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors.
For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings.
Pros:
- Breathable mesh keeps feet cool
- Easy slip-on design with elastic laces and pull tabs
- Lightweight and comfortable for all-day wear
- Accurate sizing with a roomy width
- Durable for the price
Cons:
- Sole can be slippery on hard smooth surfaces
- Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026