RCF SUB 708-AS MKII 18" Active Subwoofer
Product #50507 | SKU 13000457
Availability on Request
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RCF SUB 708-AS MKII 18" Active Subwoofer

Product #50507 | SKU 13000457
Availability on Request

With 3.0” voice coil and 1400-Watt amplifier
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Product Details
  • Product: #50507
  • SKU: 13000457
Our Price $2,899.00
This product can't be purchased at this time, please contact us for more information.
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Thanks to the powerful 18” woofer, with 3.0” voice coil, and the 1400-Watt amplifier, the SUB 708-AS II is the perfect tool to increase the low end performance of a portable PA system, both in terms of output and frequency extension. Thanks to the built-in digital stereo crossover (DSP) with adjustable crossover frequency it can be easily and quickly set up as a satellite speaker system. The SUB 708-AS II perfectly match 12” or 15” satellite speakers. The SUB 708-AS II is the ideal companion subwoofer the RCF ART 3, ART 7 or D-Line Series.


  • 1400 Watt Digital Amplifier
  • 18" Woofer, bass reflex housing
  • Stereo crossover
  • Switchable crossover frequencies
  • Phase-reverse switch
  • Electronic equalization, soft limiter and protection
  • Stereo XLR input, Stereo XLR signal output


  • Club sound, DJs
  • Portable PA
  • Rental
  • Small theatre


Acoustical Specifications
Frequency Response -3 dB 35 Hz ÷ 120 Hz
Max SPL 133 dB
Woofer 18", 3.0" v.c.
Input/Output Section
Input connectors Stereo XLR
Output connectors Stereo XLR
Input sensitivity -2 dBu / + 4 dBu
Processor Section
Crossover frequencies 80-110 Hz Hz
Protections thermal, rms
Limiter soft limiter
Controls Volume, EQ, phase, xover
Amplifier Specifications
Total power 1400 W PEAK
Low frequencies 1400 W PEAK
Total power 700 W RMS
Low frequencies 700 W RMS
Cooling convection
Connections VDE connector
Cabinet Material Baltic birch plywood
Hardware Pole mount
Handles 2 side
Pole Mount/Cap yes
Grille Steel
Colour Black
Physical Specifications
Height 665/26.18 mm/inch
Width 505/19.88 mm/inch
Depth 700/27.56 mm/inch
Net Weight 38.0/83.70 kg/lbs


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  • Product: RCF SUB 708-AS MKII 18" Active Subwoofer
  • Manufacturer: RCF
  • Model: 13000457
  • SKU: 13000457
  • RM Product #: 50507