RCF

RCF SUB8004AS 18-inch 2500W Powered Subwoofer

Name: RCF SUB8004AS 18-inch 2500W Powered Subwoofer
Brand: RCF
SKU: SUB8004AS

2500W

Experience Deep Bass with Uncompromising PowerThe RCF SUB 8004-AS is a powerhouse subwoofer designed to deliver exceptional low-frequency performance in demanding professional sound applications. Its robust construction and powerful amplifier ensure deep, impactful bass response. Amplifier Powe...

$3,599.00*

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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

Experience Deep Bass with Uncompromising Power

The RCF SUB 8004-AS is a powerhouse subwoofer designed to deliver exceptional low-frequency performance in demanding professional sound applications. Its robust construction and powerful amplifier ensure deep, impactful bass response.

Amplifier Power: 2500 Watt Peak, 1250 Watt RMS
Max SPL: 136 dB
Frequency Response: 30 Hz - 120 Hz
Woofer: 18” High Power, Hypervented
Voice Coil: 4” Inside/Outside
Controls: Volume, Deep/Punch Switch, High Pass Switch, Phase Switch, Cardioid, Time Delay
Color: Black

Key Features

2500 Watt Peak, 1250 Wat RMS

136 dB max SPL

30 Hz - 120 Hz frequency response

Specifications

Model

SUB8004AS

Woofer Size

18-inch

Peak Power

2500 Watt

RMS Power

1250 Watt

Max SPL

136 dB

Frequency Response

30 Hz - 120 Hz

Type

Powered Subwoofer

Frequently Asked Questions

What is the peak power output of the RCF SUB8004AS subwoofer?

The RCF SUB8004AS subwoofer has a peak power output of 2500 Watts.

What is the RMS power handling of this subwoofer?

This powered subwoofer is rated for 1250 Watts RMS power.

What is the maximum sound pressure level (SPL) this subwoofer can achieve?

The RCF SUB8004AS is capable of reaching a maximum sound pressure level of 136 dB.

What is the frequency response range of this 18-inch subwoofer?

It offers a frequency response ranging from 30 Hz to 120 Hz, designed to deliver deep bass frequencies.

What size is the driver in the RCF SUB8004AS subwoofer?

This subwoofer features an 18-inch driver, which contributes to its powerful low-frequency output.

Strengths & Trade-offs

👍 Pros

Delivers a powerful 2500 Watt Peak output, ensuring robust and impactful bass performance.
Achieves a maximum SPL of 136 dB, indicating it can produce very high sound pressure levels for large venues.
Features an 18-inch transducer, capable of producing deep and resonant low-frequency sounds.
Offers a wide frequency response range of 30 Hz - 120 Hz, designed for articulate bass reproduction.
Provides 1250 Watts RMS power, offering sustained high-quality audio output without distortion.
As a powered subwoofer, it includes its own amplifier, simplifying setup and system integration.
Manufactured by RCF, a brand recognized for professional audio equipment and robust speaker design.

👎 Cons

The 18-inch size and professional power suggest it may be too large or overpowered for typical home audio setups.
The product description does not specify the enclosure type (e.g., ported, sealed), which affects bass characteristics.
Weight and dimensions are not provided, which are crucial for assessing transport and installation logistics.
Detailed connectivity options beyond being "powered" are not mentioned, such as input types or crossover controls.
Specific features like DSP processing or remote control capabilities are not outlined in the product features.