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Based on price data from 2 merchants for "RCF SUB 8003-AS II 18" Powered Loudspeaker". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the power of pristine bass with the RCF SUB 8003-AS II 18" Powered Loudspeaker, meticulously crafted to elevate your live sound experience. Engineered in Italy, this subwoofer is a masterclass in audio excellence, providing the deep, resonant lows that every performer dreams of. At the heart of this beast is a Class D digital amplifier that delivers 1,100 RMS watts and peaks at 2,200 watts, ensuring that your sound cuts through the noise with unparalleled clarity and punch.
The SUB 8003-AS II's 18" neodymium woofer, housed in a bass reflex cabinet, delivers tight and authoritative bass down to 35Hz, making it a perfect companion for venues ranging from intimate clubs to expansive outdoor events. Its integrated DSP and user-friendly LCD display allow for seamless navigation between presets, giving you the flexibility to fine-tune your sound for music, live performances, or speech.
Built to withstand the rigors of the road, the SUB 8003-AS II features a robust polypropylene cabinet and durable steel grille. Transporting is a breeze thanks to its ergonomic side handles and robust casters. Whether you're a touring musician, a mobile DJ, or a sound engineer, this subwoofer provides the reliability and sound quality you need to keep your audience engaged.
Key Features:
- 1,100 RMS (2,200W peak) Class D digital amplifier
- 18" neodymium woofer in a bass reflex cabinet
- Frequency response down to 35Hz
- Integrated DSP with LCD display for easy control
- Multiple presets and customizable 5-band EQ
- Durable polypropylene cabinet and steel grille
- Ergonomic side handles and casters for portability
- Comes with a padded cover for protection during transit and storage
Product specs
| Brand | RCF |
| Model | SUB 8003-AS II 18" Powered Loudspeaker |
| Year | 2022 - 2025 |
| Categories | Powered Speakers |
FAQs
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What is the power output of the RCF SUB 8003-AS II?
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The RCF SUB 8003-AS II features Class-D amplification with 1,100W RMS and 2,200W peak output, providing robust performance for live sound applications.
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Does the RCF SUB 8003-AS II have built-in DSP?
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Yes, the RCF SUB 8003-AS II includes built-in DSP with selectable presets, allowing for customizable sound tailoring to suit different environments and applications.
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What size is the woofer in the RCF SUB 8003-AS II?
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The RCF SUB 8003-AS II is equipped with an 18" high-power woofer, designed to deliver deep bass and high sound pressure levels.
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Are there user-selectable crossover presets available in the RCF SUB 8003-AS II?
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Yes, the RCF SUB 8003-AS II offers user-selectable crossover presets, enabling seamless integration with other speakers in your sound system.
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Is the RCF SUB 8003-AS II suitable for live performance settings?
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Absolutely, the RCF SUB 8003-AS II is designed for high SPL with a bass-reflex design, making it ideal for live performances and large venues.
Videos
Sweet Tree Productions
RCF SUB 8003-ASII Active Subwoofer (Authorized Dealers)
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCF SUB 8003-AS II 18" Powered Loudspeaker.
Use cases and applications
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The 8008 is recommended for long sine basses, whereas the 8004 is preferred for live sound due to its punchier response.
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Comparisons
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The Sub AX 18 is noted to share similarities with the 8003 but includes a built-in mixer and Bluetooth, offering more functionality.
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The 8008 model, essentially a double 8003 in one enclosure, is critiqued for lacking output, suggesting better value options like the KS118 for similar or less cost.
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The 8008 has been noted to deliver a warmer sound suitable for genres like hip-hop and trap, while the 8004 excels in power and fast response for EDM, rock, and pop.
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The RCF SUB 8004 is described as road-ready and professional, offering more output than the 8003, though heavier and less portable.
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Users find the RCF SUB 8003-AS II has less output compared to the QSC KW181 and JBL SRX series within the prosumer price range.
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Setup and maintenance
User experience
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Owners find using the 8003 with the RCF Art932 setup delivers clean sound, with reports of satisfaction using just one sub for DJ setups in small venues.
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Owners report that the 8004 can be optimized by setting it to punchy mode and maximizing sensitivity for powerful output without peaking.
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The 8003's protection lights can be misleading, often suggesting limiting before the sub actually reaches its output capacity.
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Owners report that RCF subs, like the 8003, are best driven with higher input levels for optimal performance.
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Features and functionality
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The RCF 8003 offers multiple crossover presets, including extended low and hard presets, with frequency ranges from 30 Hz to 125 Hz for versatile sound shaping.
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The 8004 has a narrow-band tuning optimized around 60 Hz, providing a distinct advantage in specific frequency ranges.
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The RCF SUB 8003-AS II employs a soft limiting system, where limiter lights activate early, causing misconceptions about its output capabilities.
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The RCF SUB 8003-AS II's acoustic design focuses on sound quality over maximum volume, differing from subs using 2-ohm drivers for louder output.
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