DS18 6.5" Mid Range Loudspeaker with Neodymium Magnet 250 Watts RMS @ 4 OHM

DS18

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SKU:
DS-6PRO500NMR-4

Description

DS18 6.5” High-Sensitivity Professional Midrange Loudspeaker with Neodymium Magnet | 250W RMS 4-Ohm

Key Features

  • 6.5” High-Sensitivity Midrange Speaker (103 dB Output)
  • 250W RMS / 500W Peak Power Handling
  • Neodymium Magnet for Lightweight, High Efficiency
  • 120 Hz–17 kHz Frequency Range for Clear Vocals
  • Aluminum Basket with High-Performance Voice Coil

Specifications

Nominal Diameter
6.5" / 165mm
Nominal Impedance
4 Ohms
RMS Power Handling
250W
MAX Power Handling
500W
Sensitivity (1w/1m)
103dB
Frequency Response
120Hz-17kHz
Recommended High-Pass Crossover
140Hz
Sold as
Single unit
Demodulating Rings
Copper Ring
Cone Shape
Curvilinear
Speaker Terminals
Push 16ga

 

Motor

Voice Coil Diameter
1.5" / 38.6mm
Voice Coil Former Material
Kapton
Winding Material
CCAW
Cone Material
Paper
Dust Cap Material
Paper
Surround Material
Cloth
Leads Connection Type
Spider Crossed
Basket Material
Aluminum
Basket Color/Finish
Black
Magnet Material
Neodymium
Magnet Weight
8 Oz

 

Thiele & Small Parameters

Equivalent Volume
6L / 0.211ft3
Excursion (one way)
1.65mm
Free Air Resonance
125Hz
Mechanical Factor
2.23
Electrical Factor
0.45
Total Factor
0.38
Mechanical Mass
8.1g
Mechanical Compliance
0.19mm/N
BL Factor
8.78
Voice Coil Inductance
0.42mH
Cone Area
149.57 Cm2
DC Resistance
3.3 Ohms

 

Measurement

Overall Diameter
6.85" / 174mm
Overall Depth
3" / 77mm
Front Mount Baffle Cutout
5.9" / 150mm
Mounting Depth
2.6" / 66.5mm
Motor Diameter
3.5" / 90mm

Product Overview

 

6.5” High-Sensitivity Professional Midrange Loudspeaker with Neodymium Magnet 

Neodymium Precision

The 6PRO500NMR-4 is a 6.5” high-sensitivity professional mid-range built for extreme output and clarity. With 250W RMS and 500W MAX power handling, this 4-ohm driver delivers aggressive, detailed mids that cut through the loudest systems.

Pure Projection
Powered by a neodymium motor, the 6PRO500NMR-4 delivers an impressive 103 dB sensitivity and a focused 120 Hz–17 kHz frequency response. Every vocal and instrument stays sharp, present, and commanding at high volume.

Lightweight, Loud, Reliable
An aluminum basket provides structural rigidity while keeping weight down. The cloth surround ensures durability, and its 2.6” mounting depth allows for versatile installation across a wide range of applications.

Pro-Level Performance
A 1.5” Kapton voice coil with CCAW winding ensures efficient heat dissipation and consistent power handling. The copper demodulating ring enhances clarity while reducing distortion, keeping your mids clean even under heavy demand.

Engineered to Be Heard
Designed for high-output applications, the 6PRO500NMR-4 is built for serious sound enthusiasts who demand projection, efficiency, and reliability. Available in 6”, 8”, and 6x9” options.

Extra Information

Brand:
DS18

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