RCF SUB 8003-AS MK3 18 Inch Active Subwoofer

RCF SUB 8003-AS MK3 18 Inch Active Subwoofer



Heavy item delivery from £65

RCF SUB 8003-AS MK3 18 Inch Active Subwoofer

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Introducing the RCF SUB 8003-AS MK3, a self-powered extended low-frequency subwoofer meticulously engineered for uncompromising audio performance. This compact powerhouse features an exclusive 18" transducer with ceramic magnets and a 4.0” voice coil, delivering a depth of bass that sets a new standard in its class.

At the core of the SUB 8003-AS MK3 is its internal amplifier, capable of handling an impressive 2200W power output. With a maximum sound pressure level of 135dB, this subwoofer commands attention and ensures a commanding presence in any live sound environment.

Key Features:

  • High-Performance Transducer: Features a proprietary 18" transducer with ceramic magnets and a 4.0” voice coil, ensuring exceptional low-frequency response.
  • Powerful Internal Amplifier: The internal amplifier manages up to 2200W power output, delivering robust and commanding sound pressure levels up to 135dB.
  • Bass Motion Control Processing: Exclusive technology for remarkable clarity in the lower end of the sound spectrum, providing high-end clarity in low-tonal ranges.
  • Compact and Lightweight Design: Tour-ready and easy to carry, making it suitable for a wide range of live sound applications. Its lightweight construction allows for convenient stacking.
  • Versatile Rear Panel Controls: Intuitive controls include presets, crossover frequency adjustments, polarity selection, and cardioid and output delay settings for flexible sound customization.
  • Tour-Ready Construction: Built specifically for highly demanding applications, ensuring durability and reliability in challenging live sound environments.

RCF SUB 8003-AS MK3 Specifications:

  • Frequency Response: 40 Hz - 120 Hz
  • Max. SPL @ 1 m: 133 dB
  • Woofer: 18", 3" voice coil
  • Input Signal: Balanced/unbalanced
  • Input Connectors: XLR
  • Output Connectors: XLR
  • Input Sensitivity: -2 dBu/+4 dBu
  • Hi-Pass Frequencies: 110 Hz
  • Low-Pass Frequencies: 80 Hz
  • Protections: Thermal, RMS
  • Limiter: Soft limiter
  • Controls: Volume, EQ, Phase, Crossover, Delay, Cardioid
  • Total Power: 2200 W Peak, 1100 W RMS
  • Cooling: Convection
  • Power Connections: Powercon In/Out
  • Safety Agency: CE compliant
  • Cabinet/Case Material: Plywood
  • Handles: One each side
  • Pole Mount/Cap: Yes
  • Grille: Steel with clothing
  • Colour: Black
More Information
Manufacturer RCF
SKU 335441
Shipping Weight (kg) 37.600000
MPN 13000846
Warranty 2 Years


We have a wide range of Delivery Options available, depending on the value of your parcel and budget. Select from our 2-3 Day Saver Service or our Next Working Day options at the Checkout.
This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you, and the drivers name - just so you know when to turn the volume down!

  • Free Delivery Available on Selected Products
  • Weekend UK Mainland Delivery (Saturday-Sunday): £19.99
  • Small Items (Under 750g) Small items will be delivered by Royal Mail starting from 99p
  • Heavy Items (Over 30kg): Pallet Service Doorstep Delivery £65

For heavy items, courier details, out of stock products, out of area postcodes or international deliveries see our full Delivery info here.


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