Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
5.0 (1)
$1,399.00
Guitar Center
4.0 (1)
$1,399.00
Amazon
5.0 (2)
$1,399.00
Reverb
$1,329.05 New
$1,259.10 Used
Musician's Friend
$1,399.00
B&H
$1,399.00
Thomann
5.0 (4)
$1,299.00
Gear4Music
£1,159.00

Price History

Based on price data from 5 merchants for "RCF SUB708-AS-MK3 18" Powered PA Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Experience the power of sound with the RCF SUB708-AS-MK3 18" Powered PA Subwoofer. This subwoofer is designed to be the backbone of your live sound setup, delivering 1,400 watts of pure Class D power. Whether you're a DJ, part of a band, or running a venue, the SUB708-AS-MK3 offers a robust solution for creating a deep, resonant bass that fills the room. The 18-inch ceramic-loaded woofer is housed in a rugged Baltic birch cabinet, coated with scratch-resistant polyurea, ensuring it withstands the demands of life on the road.

The SUB708-AS-MK3 is not just about power; it offers precision and control with features like digitally controlled EQ, soft limiting, and a built-in stereo crossover. It also includes a polarity-reverse switch and switchable crossover frequencies for flexibility in various acoustic environments. With a frequency range stretching down to 35Hz and a maximum SPL of 133dB, this subwoofer ensures that your audience feels the music as much as they hear it.

Easy to integrate into your existing setup, the SUB708-AS-MK3 offers stereo XLR inputs and outputs, making connectivity a breeze. Its design caters to the needs of small to mid-sized venues, providing a perfect blend of portability and performance.

Key Features:

  • 1,400-watt Class D amplifier
  • 18" ceramic-loaded woofer
  • Frequency response from 35Hz to 120Hz
  • Maximum SPL of 133dB
  • Built-in stereo crossover and switchable crossover frequencies
  • Polarity-reverse switch and digitally controlled EQ
  • Rugged Baltic birch cabinet with polyurea coating
  • Stereo XLR input and output

Product specs

Powered Yes
LF Driver Size 18" subwoofer
Power Rating 700W RMS
Total Power 1400W Class D
Inputs 1 x XLR
Outputs 1 x XLR
Frequency Response 40Hz-120Hz
Maximum Peak SPL 133 dB SPL @ 1m
Mounting Options Floor, Pole
Power Source Standard IEC AC cable
Enclosure Material Baltic birch plywood
Height 27.28"
Width 19.88"
Depth 26.97"
Weight 88.18 lbs

FAQs

What is the power output of the RCF SUB708-AS-MK3 subwoofer?

The RCF SUB708-AS-MK3 features a powerful 1,400-watt Class D amplifier, providing robust sound reinforcement for a variety of live sound applications.

How does the RCF SUB708-AS-MK3 handle low-frequency performance?

This subwoofer delivers a frequency response from 40Hz to 120Hz, with a maximum SPL of 133 dB, ensuring deep bass and clear low-end performance for live events.

What are the connectivity options available on the RCF SUB708-AS-MK3?

The RCF SUB708-AS-MK3 offers 1 XLR input and 1 XLR output, allowing for seamless integration with other audio equipment in your setup.

Is the RCF SUB708-AS-MK3 suitable for portable use?

Yes, with its sturdy Baltic birch plywood enclosure and manageable dimensions, the RCF SUB708-AS-MK3 is designed for both stationary and portable applications.

What mounting options does the RCF SUB708-AS-MK3 offer?

This subwoofer can be mounted on the floor or on a pole, providing flexibility for different stage setups and venue requirements.

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCF SUB708-AS-MK3 18" Powered PA Subwoofer.

Comparisons

  • The RCF 8004 sub is noted for sounding better with more clarity and punch compared to the 8003, despite a small volume bump.

    Source
  • The RCF ART 932-A is praised for having a clearer sound in mids and highs compared to the EV EKX-12P, especially at higher volumes.

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Use cases and applications

  • For outdoor drum and bass events, RCF 8003 or 8004 subs are recommended, with emphasis on needing multiple units for adequate sound coverage.

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  • Owners recommend the RCF 705 15" subs for smaller gigs due to their compact size and notable punch for their size/weight.

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Features and functionality

  • The RCF 8004 subwoofer goes lower to 30 Hz compared to the 8003's 35 Hz, which is crucial for deep bass-heavy music genres.

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  • The ART 932-A features a 3-inch tweeter voice coil, which allows for a lower crossover at 700 Hz, enhancing power and clarity.

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User experience

  • The RCF 8004 weighs 30 lbs more than the 8003, making it significantly harder to transport for solo musicians.

    Source
  • Users upgrading from EV EKX-18SP to RCF 8008 dual 18" subs note a significant improvement in performance for large crowd events.

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Build quality

  • The RCF 705's tall/narrow profile and lightweight design facilitate easier transportation compared to the wider EKX profile.

    Source

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