SKU: 83687658413

Autotek SM4CX 4” STREET MACHINE Series 100W RMS | 200W Max 2-Way Coaxial Car Speakers (Pair)

Sale price$31.46 Regular price$34.95
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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5

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Description

Autotek SM4CX 4” STREET MACHINE Series 100W RMS | 200W Max 2-Way Coaxial Car Speakers (Pair)Autotek Street Machine SM4CX 4" 2 Way Coaxial Speakers 250 Watts The Autotek SM4CX 4 inch coaxial speakers are designed to deliver a massive audio upgrade in a compact, universal fit format. Engineered as part of the Street Machine series, these speakers utilize high quality Alpha Cellulose poly cones to produce rich midrange and surprisingly deep mid bass for their size. High frequencies are handled by moisture resistant Neo Mylar soft dome tweeters,

Autotek Street Machine SM4CX 4" 2-Way Coaxial Speakers – 250 Watts

The Autotek SM4CX 4-inch coaxial speakers are designed to deliver a massive audio upgrade in a compact, universal-fit format. Engineered as part of the Street Machine series, these speakers utilize high-quality Alpha-Cellulose poly cones to produce rich midrange and surprisingly deep mid-bass for their size. High frequencies are handled by moisture-resistant Neo Mylar soft dome tweeters, ensuring crystal-clear highs and long-term durability in automotive environments. With a high-strength Y30 ferrite magnet and an integrated passive Butterworth crossover, the SM4CX provides a smooth, balanced soundstage that far exceeds the performance of factory paper-cone speakers.

Key Features
  • Alpha-Cellulose Poly Cones: Lightweight yet rigid cone material produces musical midrange and accurate tonal reproduction with high efficiency
  • Neo Mylar Soft Dome Tweeters: Delivers ultra-clear high frequencies with a smooth response profile and enhanced resistance to the elements
  • High-Strength Y30 Magnet: Equipped with a 5.2 oz motor structure to provide superior control and higher output with minimal distortion
  • UV-Resistant Rubber Surrounds: Moisture-resistant surrounds ensure the cone remains perfectly centered while providing lasting mid-bass impact
  • Thermal Management: Pure copper voice coil and Kapton former work with an over-coil cooling system to dissipate heat during high-volume playback
  • Anti-Resonant Stamped Steel Basket: Heavy-duty frame construction minimizes unwanted vibrations and harmonics for a cleaner listening experience
  • Integrated Crossover: Built-in passive Butterworth crossover with a 6dB slope ensures a seamless transition between frequency ranges
  • Textured ABS Gasket: Provides a tight, vibration-free seal against factory OEM panels or custom mounting surfaces
  • Universal Mounting: Compact design and standard mounting patterns make this an ideal replacement for most 4-inch factory locations
  • Power Handling: 250 Watts Peak (125 Watts RMS) per pair
  • Frequency Response: 80Hz – 20kHz
  • Sensitivity: 88dB
  • Mounting Depth: 2.2"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 83687658413

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4.3 ★★★★★
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JeffTryHard
Massapequa, US
★★★★★ 5
Almost blew up my microwave
Size: 20 Ounces, Size: 20 Ounces
TL;DR "A hilarious microwave mistake turned into a great home cafe upgrade. This 20oz cup is straightforward to handle, looks incredibly professional, and holds a level of heat that will literally burn you if you aren't careful." . Bought this for homemade coffee brewing, just to spice things up. But as I go ahead to heat up my new shiny stainless steel milk frother cup in the microwave, whoopdy doo. Ya can’t put stainless in the microwave! Regardless, it’s still a straightforward frother cup to handle, making it a great dollar investment for upgrading my home cafe setup. . 1. Spotless Stainless Steel: Its sleek appearance made me feel professional in the hands of an amateur like moi. Great quality! 2. Temperature Retention: I accidentally burnt myself because it stayed so hot, but that is a major positive. Proving the insulation works perfectly and keeps the milk piping hot. 3. Size: The 20oz capacity is accurate, providing the perfect amount of space for frothing without any overflow.
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Reviewed in the United States on June 6, 2026
K
Verified Purchase
Kayla
Omaha, US
★★★★★ 5
Sturdy
Size: 20 Ounces
Great pitcher
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Reviewed in the United States on January 20, 2026
Q
Verified Purchase
Q Nguyen
Boise, US
★★★★★ 4
Decent pitcher
Size: 11.8 Ounces
Smaller than expected. I frothed 5 oz of milk and it was almost a mess.
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Reviewed in the United States on October 16, 2025
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Verified Purchase
Vasilios Anastasiadis
West Palm Beach, US
★★★★★ 5
Love
Size: 11.8 Ounces
Perfect size for making my Fredo cappuccino every morning. Throw it in the dishwasher look brand new everytime
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Reviewed in the United States on December 18, 2025
M
Verified Purchase
Malcolm McLane
San Leandro, US
★★★★★ 5
Very nice product. Made of high quality.
Size: 20 Ounces
Product is just what i ordered. Recommend to anyone to purchase from this vendor.
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Reviewed in the United States on November 12, 2025

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