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RCF

RCF SUB8004AS 2500W Active High-Power Subwoofer

2500W500W

Experience Powerful Low-Frequency Sound with RCF Subwoofer The RCF SUB8004AS is an active high-power subwoofer designed to deliver exceptional low-frequency performance. Featuring a robust 18-inch woofer and a powerful 2,500W amplifier, this subwoofer delivers deep, punchy bass that enhances any...

$3,499.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Experience Powerful Low-Frequency Sound with RCF Subwoofer

The RCF SUB8004AS is an active high-power subwoofer designed to deliver exceptional low-frequency performance. Featuring a robust 18-inch woofer and a powerful 2,500W amplifier, this subwoofer delivers deep, punchy bass that enhances any audio setup. With versatile controls and a rugged design, the SUB8004AS is perfect for professional sound reinforcement applications.

Specifications:
  • Type: Active High Power Subwoofer
  • Woofer Size: 18-inch
  • Amplifier Power: 2,500W
  • Features:
    • Phase Switch
    • Deep/Punch Control
    • Time Delay
    • High Pass Filter

Key Features

2,500W Powered Subwoofer with 18" Woofer

Phase Switch

Deep/Punch

Time Delay

High Pass

Specifications

Power Output
2,500W
Woofer Size
18 inches
Type
Active Subwoofer
Features
Phase Switch, Deep/Punch Switch, Time Delay, High Pass
Brand
RCF
Model
SUB8004AS

Pros & Cons

👍 Pros

  • This RCF subwoofer boasts a powerful 2,500W output, delivering robust and impactful bass for large venues.
  • It features an 18-inch woofer, capable of producing deep and resonant low frequencies for immersive sound.
  • The included phase switch allows for precise alignment with other speakers, optimizing overall sound coherence.
  • A Deep/Punch switch offers sonic flexibility, letting users tailor the bass character to specific musical styles or events.
  • Time Delay functionality enables fine-tuning of sound projection, ensuring optimal audience experience in various spaces.

👎 Cons

  • The 2,500W power output and 18-inch woofer likely result in a large and heavy unit, potentially challenging for transport and setup.
  • Specific frequency response ranges are not provided, making it difficult to assess the exact lowest frequencies it can reproduce.
  • The description does not detail the type of amplifier (e.g., Class D) or the total SPL output, which are key performance indicators.
  • A high-pass filter is listed as a feature, but its specific cutoff frequencies or adjustable range are not mentioned.
  • The power consumption or other electrical requirements are not specified, which could be important for installation planning.

Frequently Asked Questions

The RCF SUB8004AS is a 2,500W powered subwoofer, designed for high-power audio applications.
This subwoofer features an 18-inch woofer, capable of producing deep and impactful low frequencies.
Yes, it includes a Phase Switch, Deep/Punch switch, and Time Delay functions to help tailor the sound output to your environment.
Yes, a High Pass feature is listed, which can be used to filter higher frequencies from the subwoofer's output.
With its 2,500W power and 18-inch woofer, the RCF SUB8004AS is designed as a high-power active subwoofer, making it well-suited for professional live sound reinforcement.

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