+44(0)1663 767888

RCF S 4012

High efficiency band pass subwoofer with 12" woofer and 1 x 3" voice coil. 400 watts, 8 ohm.

Supplied and priced individually.

List price Ex. VAT: £581.00


The RCF S4012 high-efficiency band pass subwoofer is rated at 400 watts, 8 ohm. 

LIMITED STOCK - please contact us for current stock availability.

The low-frequency transducer is an RCF Precision high-power 12” woofer with a 3” inside/outside voice coil to minimize power compression and extend the life of the product.

Ideal to enhance the bass frequency when used with the RCFACUSTICA Compact series two-way loudspeakers in small size sound installations and distributed music systems.

This new woofer design guarantees a fast and controlled reproduction of the bass frequency range. Using bandpass loading to the transducer ensures an efficient acoustic response down to 45 Hz.

The cabinet features two Neutrik Speakon™ connectors in a recessed input plate.

Supplied and priced individually.

  • 12" high-efficiency RCF Precision 3" voice-coil woofer with Inside/Outside Coil Technology
  • Horn reflex loaded woofer
  • 124 dB maximum sound pressure level
  • Response down to 45 Hz
  • Rectangular box enclosure with protective metal grille
  • Baltic Birch cabinet with black, heavy duty, textured epoxy paint
  • 35 mm standard pole mount in top section of cabinet
  • Integrated hand carry points
  • Recessed input plate with Neutrik Speakon™ connectors

Additional Information

Frequency Response (-10dB)

45Hz – 200Hz

Max SPL @ 1m


System Sensitivity


Nominal Impedance

8 ohm

Power Handling

400W RMS

Peak Power Handling

1600W Peak


Woofer: 12” + 3” voice coil

Nominal Impedance

8 ohm

Input Power Rating

400 W AES, 800 W PEAK

Sensitivity, 1W @ 1M


Input Connectors

Speakon® NL4

Output Connectors

Speakon® NL4


Baltic Birch Cabinet, Steel Grille




360mm / 14.17”


500mm / 19.69”


400mm / 15.75”


21/ 46.3 lbs

View FileRCF S 4012 Bandpass Subwoofer Datasheet    Size: (450.5 KB)
Product video for RCF S 4012