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Description

Autotek SM653

The Autotek SM653 is a 6.5-inch 3-way coaxial car speaker from the Street Machine series, designed to deliver loud, clear, and balanced full-range sound. It combines strong mid-bass, detailed midrange, and crisp highs, making it ideal for factory speaker upgrades and rear or front car audio setups.


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 150 Watts
Peak Power Handling 300 Watts
Impedance 4 Ohms
Frequency Response 60Hz – 20kHz
Sensitivity 88 dB
Crossover Slope 4kHz 12dB
Size 6.5 inch
Mounting Diameter / Cut Out 5.59 in
Outside Diameter 7.01 in
Mounting Depth 2.13 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, 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 connection quality
Grills Included protective grills (optional depending on installation)

 


Overview

Autotek SM653 STREET MACHINE 6.5 inch 3-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 SM653?

A: It is a 6.5” 3-way coaxial car speaker system designed for full-range sound output.

Q2: What is its power rating?

A: Around 150W RMS and 300W peak.

Q3: Is it good for bass?

A: It provides decent mid-bass but is not a subwoofer.

Q4: Does it need an amplifier?

A: It works on head unit power but performs best with an external amplifier.

Q5: Where should it be installed?

A: Front doors or rear deck for best balanced sound.


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