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Based on price data from 1 merchant for "RCF SUB 708-AS MKII 18" Active Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the seismic power of low frequencies with the RCF SUB 708-AS MKII 18" Active Subwoofer. Engineered to perfection, this subwoofer is a powerhouse designed to elevate any live sound setup. Whether you're a DJ, a band, or running an event venue, the SUB 708-AS MKII promises to deliver a thunderous low-end impact that your audience will feel in their bones. At its core, the 1,400-watt digital amplifier ensures your bass is not only heard but experienced, maintaining clarity and intensity even at peak levels.
The custom 18" woofer, coupled with a robust 3" voice coil, delves deep into frequencies as low as 35Hz, guaranteeing a full-bodied bass response. The built-in DSP allows you to sculpt your sound with precision, adjusting crossover frequencies, flipping phases, and employing electronic EQ to eliminate unwanted resonance. This adaptability makes it a perfect match for a wide range of setups, from intimate gigs to sprawling venues.
Despite its formidable capabilities, the RCF SUB 708-AS MKII is designed with portability in mind. It features a sturdy yet lightweight construction, complete with recessed handles and an integrated pole mount for hassle-free transport and setup. Its rugged enclosure is crafted to endure the demands of the road, ensuring consistent performance no matter where your musical journey takes you.
Key Features:
- 1,400-watt digital amplifier
- Custom 18" woofer with 3" voice coil
- Frequency response as low as 35Hz
- Built-in DSP for sound customization
- Integrated phase switch and electronic EQ
- Portable design with recessed handles and pole mount
- Durable enclosure for road-readiness
Product specs
| Brand | RCF |
| Model | SUB 708-AS MKII 18" Active Subwoofer |
| Year | 2022 - 2025 |
| Categories | Powered Speakers |
FAQs
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What is the power output of the RCF SUB 708-AS MKII 18" Active Subwoofer?
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The RCF SUB 708-AS MKII delivers 700 watts RMS and peaks at 1,400 watts, providing robust and powerful bass performance suitable for various live sound applications.
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How low can the RCF SUB 708-AS MKII subwoofer go in terms of frequency response?
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This subwoofer has a frequency response that extends down to 35Hz, ensuring a deep and impactful bass presence in your audio setup.
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Is the RCF SUB 708-AS MKII suitable for live performances?
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Yes, the RCF SUB 708-AS MKII is designed for live sound applications, offering high sound pressure levels up to 133dB, making it ideal for concerts and events.
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What type of driver does the RCF SUB 708-AS MKII use?
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The RCF SUB 708-AS MKII features an 18-inch low-frequency driver, which is crucial for delivering powerful bass tones.
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What materials are used in the construction of the RCF SUB 708-AS MKII cabinet?
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The cabinet of the RCF SUB 708-AS MKII is made from Baltic birch, which is known for its durability and acoustic properties, contributing to the subwoofer's sound quality.
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What are the connectivity options available on the RCF SUB 708-AS MKII?
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The subwoofer includes two XLR inputs and two XLR outputs, allowing for seamless integration into various audio setups.
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCF SUB 708-AS MKII 18" Active Subwoofer.
Comparisons
Setup and maintenance
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Owners suggest experimenting with placement, such as center clustering vs. wide stereo, to optimize sound when combining different subwoofer models.
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Features and functionality
Use cases and applications
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Even with mismatched subs, listening to the room with reference tracks is essential to determine the best setup for sound consistency throughout the venue.
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The RCF 705 mk3 subs are ideal for venues like bars and weddings up to 250 people, but may struggle in larger outdoor settings.
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Two RCF 705 subs can be more practical for scalability in smaller gigs, compared to a single heavier 8004.
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