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Description

Autotek SM35CX

The Autotek SM35CX is a 3.5-inch 2-way coaxial car speaker from the Street Machine series, designed for clear highs, smooth midrange, and efficient compact audio output. It is ideal for factory speaker replacement in small dash or door locations, offering balanced sound in tight installation spaces.


Details & Specs

Category Specification
Type Speaker
Brand Autotek
Series STREET MACHINE
Category Mobile
Condition New
Color Black
Warranty 1 Year
Compatible Vehicles Universal
RMS Power Handling 75 Watts
Peak Power Handling 150 Watts
Impedance 4 Ohms
Frequency Response 80Hz – 20kHz
Sensitivity 88 dB
Crossover Slope 6kHz 12dB
Size 3.5 inch
Mounting Diameter / Cut Out 3.41 in
Outside Diameter 3.41 in (No Grill)
Mounting Depth 1.5 in

Features & Benefits

Feature Description
Compatible Vehicle Fitment Universal
Tweeters 1 inch tweeters for clear, non-harsh high frequencies
Cone Material Alpha-Cellulose Poly cones for lightweight midrange and bass response
Surround / Cone Coupling UV-resistant rubber surround with high-temperature adhesive for durability and strong mid-bass performance
Gasket Textured ABS gasket for rigid and secure mounting seal
Voice Coil / Former Assembly Pure copper voice coil with Kapton former for efficiency and heat dissipation
Spider Epoxy-infused natural fiber spider for flexibility and structural strength
Cooling System Over-coil airflow cooling via spider ventilation
Crossover Passive Butterworth crossover for smooth frequency transition
Internal Crossover 6dB internal crossover for seamless midrange-to-tweeter blending
Tweeter Hardware Neo-Mylar soft dome tweeter with Kapton support for durability and clarity
Frame Anti-resonant stamped steel basket to reduce vibration and distortion
Motor Ferrite magnet motor for strong magnetic field in compact design
Connectors Spade connectors or direct solder recommended for best performance
Grills Not included (typically installed behind OEM panel)

 

 


Overview

Autotek SM35CX STREET MACHINE 3.5 inch 2-way car audio speakers with Neo Mylar Soft Dome Tweeters and Alpha-Cellulose Poly Cones.

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Questions and Answers

Q1: What is the SM35CX?

A: It is a 3.5-inch 2-way coaxial car speaker from Autotek designed for compact factory replacement use.

Q2: What is its power rating?

A: Around 75W RMS and 150W peak.

Q3: Is it good for bass?

A: It provides light mid-bass but focuses mainly on clarity and highs.

Q4: Does it need an amplifier?

A: It works on head units but performs better with an external amplifier.

Q5: Where is it best used?

A: Small dashboard or factory 3.5-inch speaker slots.


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