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RCF 4PRO 8003-AS Active 18" Subwoofer with 4" Voice Coil

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Item#: 4PRO-8003AS
UPC: 08024530008451

This item is discontinued

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I DJ NOW Webstore – Orders to be Shipped only: 1 800 355 7746 I DJ NOW - Babylon, NY store (Pick Up In Store Only)
Mon - Sat 10am - 8pm
Sun 11am - 5:00pm
631 321 1700

I DJ NOW - Queens, NY Store (Pick Up In Store Only)
Mon - Fri 10am - 9pm
Sat 10am - 7pm
Sun 12 noon - 6pm
718 762 0100

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Free Shipping Details:

Free Shipping on most orders with minimum purchase of $50 or more for a limited time. Ground shipments only in the lower 48 contiguous United States. Excludes oversized or overweight items such as oversized speakers, oversized cases, trussing & staging. Other exclusions include some fluids, some parts & special orders. Any questions, please call 1-800-355-7746 during normal business hours. Offer subject to change or termination without notice. Not responsible for typographical errors.



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About This Product

The 4PRO 8003-AS is a vented, high output, active subwoofer system where the punch of a single 18” is desired.

It is powered by a 1000 W compact and lightweight digital amplifier and the port area has been carefully designed for reduced distortion. It works equally well for portable or install applications and it is engineered to complement full-range loudspeakers in a wide range of PA situations.

RCF 4PRO 8003-AS Active 18" Subwoofer Features:

  • 2000 Watt Peak, 1000 Watt RMS digital amplifier.
  • 134 dB max spl.
  • 18" ferrite magnet woofer, 4" voice coil.
  • Large port area, for reduced distortion.
  • PFC power factor correction.


  • Main PA sub bass.
  • Band & vocal PA sub bass.
  • Professional DJ sub bass.
  • Night club sub bass.

RCF 4PRO 8003-AS Specifications

Acoustical Specifications
Frequency Response -3 dB: 40 Hz ÷ Xover p. Hz
Max SPL: 134 dB
Woofer: 18" ferrite magnet, 4" voice coil

Input/Output Section
Input signal: bal / unbal
Input connectors: Stereo c. xlr-jack
Output connectors: Stereo xlr
Input sensitivity: - 2 dBu / +4 dBu

Processor Section
Crossover frequencies: 80 / 120 Hz
Protections: Thermal, rms
Limiter: Dinamic limiter
Controls: Volume, xover, phase

Amplifier Specifications
Total power: 2000 W PEAK
Low frequencies: 2000 W PEAK
Total power: 1000 W RMS
Low frequencies: 1000 W RMS
Cooling: Convection/forced
Connections: Powercon in / out

Cabinet Material: Baltic birch
Handles: 2 side
Pole Mount/Cap: Yes
Colour: Black

Physical Specifications
Height: 700 / 27.56 mm/inch
Width: 520 / 20.47 mm/inch
Depth: 700 / 27.56 mm/inch
Net Weight: 49 / 108.02 kg/lbs

The 4PRO 8003-AS Box Includes:

(1) RCF 4PRO 8003-AS Powered Subwoofer [4PRO-8003as]
(1) PowerCON power cord
(1) User manual

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