RCF

RCF LF18G401 18-Inch 1800W Live Sound Subwoofer

1800W30 Hz - 1 kHz

Unleash Powerful Sound with RCF LF18G401 Live Sound Monitor The RCF LF18G401 is a high-performance live sound monitor engineered for professional audio applications. With its robust design and powerful output, this monitor ensures clear and impactful sound reproduction, making it ideal for stage ...

$429.51*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Unleash Powerful Sound with RCF LF18G401 Live Sound Monitor

The RCF LF18G401 is a high-performance live sound monitor engineered for professional audio applications. With its robust design and powerful output, this monitor ensures clear and impactful sound reproduction, making it ideal for stage performances and surround sound systems.

Specifications:

  • Speaker Type: Monitor
  • Speaker Size: 4 Inches
  • Maximum Output Power: 1800 Watts
  • Sensitivity: 98 dB
  • Frequency Range: 30 Hz - 1 kHz
  • Surround Sound Channel Configuration: 1.0
  • Connectivity: Wired
  • Color: Black
  • Dimensions: 18.3"D x 17.6"W x 8.1"H
  • Weight: 32.1 pounds
  • Power Source: Corded Electric
  • Mounting Type: Flush Mount
  • Special Feature: Hi-Res Audio

Key Features

1800W continuous program power handling

98 dB Sensitivity

30 Hz - 1 kHz Frequency range

Specifications

Driver Size
18-Inch
Continuous Program Power
1800W
Sensitivity
98 dB
Frequency Range
30 Hz - 1 kHz
Product Type
Live Sound Subwoofer

Pros & Cons

👍 Pros

  • Offers substantial 1800W continuous program power handling, suitable for robust live sound reinforcement
  • Achieves a 98 dB sensitivity, indicating efficient conversion of power into acoustic output for strong sound
  • Provides a broad frequency range of 30 Hz - 1 kHz, ensuring deep bass reproduction and clear mid-bass
  • The 18-inch driver size is optimized for low-frequency sound, enhancing the impact of your audio
  • Engineered for live sound applications, suggesting durability and performance in demanding environments

👎 Cons

  • The 18-inch size and power handling likely contribute to a significant weight and large physical footprint
  • A frequency range extending to 1 kHz might require careful crossover setup to avoid overlap with mid-range drivers
  • High power handling requires a sufficiently powerful amplifier, increasing overall system cost and complexity
  • A single subwoofer may not be enough for very large venues, potentially requiring multiple units
  • The product is a component (subwoofer), requiring additional equipment like an enclosure and amplifier to function

Frequently Asked Questions

The RCF LF18G401 subwoofer has an 1800W continuous program power handling capacity, making it suitable for demanding live sound applications.
This subwoofer features a sensitivity of 98 dB, indicating its efficiency in converting amplifier power into sound pressure levels.
The RCF LF18G401 offers a frequency range from 30 Hz up to 1 kHz, designed to reproduce deep bass and lower mid-range frequencies.
Yes, described as a Live Sound Subwoofer with robust power handling and frequency response, it is engineered for professional live audio reinforcement.
This subwoofer is equipped with an 18-inch driver, which is commonly used for producing powerful and deep low-frequency sound.