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Description

DS18 PRO-CF6.4SL

The PRO-CF6.4SL is a 6.5″ pro-audio full-range loudspeaker designed for high-efficiency sound with a slim, shallow-mount profile — perfect for space-limited installs without sacrificing performance. It delivers clear midrange and balanced bass response, making it ideal for car audio systems, motorcycles, Jeeps, UTVs, and custom pro audio builds. Its robust construction and optimized motor design ensure reliable performance in demanding environments.


Specifications

Category Specification
SKU PRO-CF6.4SL
Nominal Diameter 6.5″ / 165 mm
Nominal Impedance 4 Ω
RMS Power Handling 250 W
Maximum Power Handling 500 W
Sensitivity (1W/1m) 95 dB
Frequency Response 80Hz–12.5KHz
Recommended High-Pass Crossover 100 Hz

Motor / Voice Coil Specifications
Feature Specification
Voice Coil Diameter 1.5″ / 38.5 mm
Voice Coil Former Material Kapton
Winding Material CCAW
Basket Material Steel
Magnet Weight 20 oz

Thiele & Small Parameters
Parameter Value
Equivalent Volume (Vas) 9 L / 0.317 ft³
Excursion (Xmax) 2.5 mm
Free Air Resonance (Fs) 128 Hz
Mechanical Factor (Qms) 15.55
Electrical Factor (Qes) 0.891
Total Factor (Qts) 0.842
DC Resistance (Re) 3.6 Ω

Measurements
Dimension / Feature Value
Overall Diameter 6.5″ / 165 mm
Front Mount Baffle Cutout 5.67″ / 144 mm
Mounting Depth 2.15″ / 54.5 mm
Overall Depth 2.38″ / 60.5 mm
Product Weight 3.5 lbs
Product Dimensions (W x L x H) 7 x 7 x 3 in
Master Carton Weight 30 lbs
Master Carton Dimensions 14.8 x 14.5 x 7 in
Quantity per Master Carton 8
Sold In Piece

Product Overview

PRO 6.5” Slim Carbon Fiber Water Resistant Cone Mid-Bass Loudspeaker 500W MAX 4-Ohm

The PRO-CF6.4SL effortlessly blends incredible highs with a thunderous low mid-bass response. Its unparalleled versatility allows it to deliver frequencies ranging from a piercing 12.5KHz to a deep and resonating 80Hz.
Designed for performance and reliability, the PRO-CF6.4SL features a water-resistant design that guarantees exceptional audio even in the harshest conditions. DS18’s cutting-edge waterproof carbon fiber cone design, coupled with super-strong rubber surrounds, ensures that these speakers remain undeterred by the elements. And the increased 95dB sensitivity level, allows the PRO-CF6.4SL to deliver crystal-clear sound during every session.
With its size reduction, the PRO-CF6.4SL can seamlessly be integrated into any setup, adapting to your unique needs with ease. The inclusion of user-friendly push terminals not only ensures a secure and protected wiring connection but also simplifies installation, saving you precious time and effort.
The impressive RMS power handling of 250W and the staggering MAX power handling of 500W guarantees a mind-blowing audio experience. Everything from the subtlest whisper to a thunderous roar, every beat, every note, will resonate with astonishing clarity and precision. But, the PRO-CF6.4SL is not just about raw power—it excels in efficiency as well. Its exceptional design and engineering translate into an unbeatable combination of power and performance.
The PRO-CF6.4SL’s unmatched versatility, durability, and power handling will elevate your driving experience to new heights.

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Questions and Answers

Q1: What type of speaker is the PRO-CF6.4SL?

A1: It’s a 6.5″ pro-audio full-range loudspeaker with a slim shallow-mount design for space-saving installations.

Q2: Where can this speaker be used?

A2: It’s ideal for car audio systems, motorcycles, Jeeps, UTVs, and other custom audio builds where space is limited but quality sound is needed.

Q3: Does it require an external amplifier?

A3: For best performance and louder output, pairing it with an external amplifier is recommended.

Q4: Can it reproduce deep bass?

A4: It’s optimized for full-range coverage with focus on midrange and mid-bass. For deeper bass, pairing with a subwoofer is recommended.

Q5: What makes the PRO-CF6.4SL unique?

A5: Its slim profile allows installation in tight spaces while delivering solid full-range audio performance.


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