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Based on price data from 1 merchant for "RCF SUB-705AS MK2 Active PA Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 19, 2026.
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Description
Prepare to immerse your audience in rich, resonant bass with the RCF SUB-705AS MK2 Active PA Subwoofer. This powerhouse is expertly crafted for live sound environments, from bustling nightclubs to serene houses of worship, delivering an audio experience that captivates and commands attention. With its impressive 15" high-performance woofer and built-in 1,400W RMS amplifier, the SUB-705AS MK2 ensures each beat is felt as deeply as it is heard.
This subwoofer boasts an astounding 131dB max SPL and a frequency response that plunges to a deep 40Hz, ensuring your sound is both expansive and precise. Engineered with a bass reflex enclosure, it offers optimal low-end extension and punch, making it the ideal companion for medium to large-sized venues. Whether you're setting up for a gig or installing in a fixed venue, its lightweight 63.05-pound design, integrated handles, and M20 threaded inserts make transport and setup a breeze.
Crafted with care in Italy, the RCF SUB-705AS MK2 reflects the brand's commitment to quality and durability. Its robust birch-plywood cabinet is coated in resilient black polyurethane, promising longevity and resilience in any setting. Plus, with intuitive onboard connectivity options including XLR and 1/4" TRS inputs, as well as left/right thru outputs, this subwoofer seamlessly integrates into your existing setup.
Key Features:
- 15" high-performance woofer with a 3" voice coil
- Built-in 1,400W RMS power amplifier
- Max SPL of 131dB and frequency response down to 40Hz
- Bass reflex enclosure for optimal low-end extension and punch
- Lightweight design at 63.05 pounds with integrated handles and M20 threaded inserts
- Durable birch-plywood cabinet with black polyurethane coating
- Onboard XLR and 1/4" TRS inputs, plus left/right thru outputs
Product specs
| Brand | RCF |
| Model | SUB-705AS MK2 Active PA Subwoofer |
| Year | 2017 - 2025 |
| Made In | Italy |
| Categories | Powered Speakers |
FAQs
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What are the power specifications of the RCF SUB-705AS MK2 Active PA Subwoofer?
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The RCF SUB-705AS MK2 features a 700W RMS power output and a peak power of 1400W, driven by a Class D amplifier, making it capable of delivering powerful bass performance for live sound applications.
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What is the frequency response of the RCF SUB-705AS MK2?
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The RCF SUB-705AS MK2 has a frequency response range of 40 Hz to 120 Hz, providing deep and punchy bass suitable for a variety of live sound settings.
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How is the RCF SUB-705AS MK2 constructed?
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The RCF SUB-705AS MK2 is built with a robust Baltic birch cabinet, ensuring durability and high-quality sound performance, making it ideal for both portable and installed sound systems.
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What is the maximum SPL of the RCF SUB-705AS MK2?
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The RCF SUB-705AS MK2 can reach a maximum SPL of 131 dB, allowing it to produce loud and clear bass for large venues or outdoor events.
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What connectivity options does the RCF SUB-705AS MK2 offer?
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The RCF SUB-705AS MK2 provides two XLR/TRS combo inputs and two XLR outputs, allowing for flexible connectivity with various audio sources and systems.
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCF SUB-705AS MK2 Active PA Subwoofer.
Features and functionality
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RCF 705AS MK2 includes a high pass option, offering more control over sound management compared to QSC KS112.
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RCF's pre-alignment delay guide is crucial for proper setup, recommending a crossover at 120Hz for 910s and at 80Hz for 912s, with specific delay settings.
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The RCF SUB 705-AS MK3 incorporates BMC technology, which improves bass control compared to traditional DSP functions found in the FBT model.
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Build quality
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The RCF features a full-backed grill, providing better protection against foreign objects and critters compared to the QSC.
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The RCF 905-AS II's cabinet construction is highlighted for its birch material, though specifics like panel thickness are not readily available, prompting user caution.
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The RCF SUB 705-AS MK3 features a rugged polyurea-coated finish, which enhances its durability during frequent transport.
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Comparisons
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RCF 705AS MK2 is smaller than the QSC KS112 when accounting for the QSC's wheels, despite appearances in photos.
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The RCF 905-AS II subwoofer performs significantly better at 40Hz, achieving about 121dB compared to the 705-AS II's 101dB at the same frequency.
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The FBT X-SUB 115SA has a higher SPL (135 dB) compared to the RCF 705-AS MK3 (131 dB), making it suitable for higher volume needs.
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User experience
Use cases and applications
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A single RCF 705-AS II sub is adequate for smaller events but lacks headroom, with the limiter often engaging during high-volume performances.
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The lighter weight of the RCF (25.8 kg) enhances its portability, ideal for mobile DJs and small-to-medium events.
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The RCF SUB 705-AS MK3 pairs effectively with RCF ART 912 tops, providing a balanced sound without causing the tops to clip at high volumes.
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