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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
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What is the power output of the RCF SUB708-AS-MK3 subwoofer?
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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.
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How does the RCF SUB708-AS-MK3 handle low-frequency performance?
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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.
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What are the connectivity options available on the RCF SUB708-AS-MK3?
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The RCF SUB708-AS-MK3 offers 1 XLR input and 1 XLR output, allowing for seamless integration with other audio equipment in your setup.
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Is the RCF SUB708-AS-MK3 suitable for portable use?
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Yes, with its sturdy Baltic birch plywood enclosure and manageable dimensions, the RCF SUB708-AS-MK3 is designed for both stationary and portable applications.
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What mounting options does the RCF SUB708-AS-MK3 offer?
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This subwoofer can be mounted on the floor or on a pole, providing flexibility for different stage setups and venue requirements.
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