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Best Seller 18 Sound 21ntlw5000-8 21" 1800 Watt Neodymium Low Frequency Speaker System [A51MNG4D]

$43.99 $140.99 -69%

OverviewThe 18 SOUND 21NTLW5000-8 is a cutting-edge low frequency loudspeaker, pushing the boundaries of sound with its 21-inch diameter and robust build. Engineered for high-performance subwoofer applications, this speaker is capable of handling an

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Best Seller 18 Sound 21ntlw5000-8 21" 1800 Watt Neodymium Low Frequency Speaker System [A51MNG4D]

Overview

The 18 SOUND 21NTLW5000-8 is a cutting-edge low frequency loudspeaker, pushing the boundaries of sound with its 21-inch diameter and robust build. Engineered for high-performance subwoofer applications, this speaker is capable of handling an impressive AES power of 1800W RMS, with a peak power output of 10,000W. It is designed around a dual tetracoil aluminum voice coil, ensuring exceptional sound clarity and power handling. The carbon fiber reinforced cellulose cone, along with water repellent treatment, makes it suitable for a variety of demanding applications, from live sound reinforcement to high-end audio systems.

Features

  • 21" nominal diameter for impactful bass response
  • High 97 dB sensitivity for efficient power use
  • Wide frequency range from 30 Hz to 1800 Hz
  • Dual 115mm (4.5 in) Tetracoil Aluminum Voice coil for superior sound clarity
  • Carbon fiber reinforced treated cellulose cone for durability
  • Suitable for vented, horn loaded, and bandpass speaker designs

Specifications

  • Nominal Diameter: 21”, 533 mm
  • Impedance: 8 Ohms
  • AES Power: 1800 W (RMS)
  • Program Power: 4000 W (RMS)
  • Peak Power: 10000 W (RMS)
  • Sensitivity: 97 dB
  • Frequency Range: 30 – 1800 Hz
  • Voice Coil Diameter: 4.5”, 115 mm
  • Cone Material: Straight Ribbed Carbon Fiber Loaded Cellulose
  • Net Weight: 12.5 kg (27.56 lb)

What Our Customers Say

January 27, 2026

Absolutely no complaints!

The product is a workhorse; it never fails.

- WorkerBee.

January 27, 2026

Absolutely no complaints!

It's a very elegant solution.

- Anthony Coleman.

January 27, 2026

Absolutely no complaints!

It’s a top-quality product through and through.

- Dominic Simmons.

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