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Product Description


The RCF TTS56-A is a high power, high output active subwoofer system that sets a new standard in the touring sound reinforcement.

The new 21" neodymium design represents the result of many years dedicated in pioneering new solutions for the transducers technology. The integration of the 6800 W, two channel digital amplification and the advanced digital processing set a new standard for distortion, noise and thermal efficiency.

  • 2 x 3400 W digital amplifiers
  • 2 x 21" high power neodymium woofers
  • 96 kHz, 32 bit DSP processing
  • Remote monitoring and control
  • Time delay alignment
  • Cardioid preset for groups
  • Tour grade cabinet
  • Maximum output per size on market
Acoustical Specifications
  • Max SPL: 145 dB
  • Woofer: 2 x 21" neo, 4.5" voice coil
Input/Output Section
  • Input connectors: XLR, Ethercon
  • Output connectors: XLR, Ethercon
  • Input sensitivity: -2 dBu / +10 dBu
Processor Section
  • Protections: thermal, excurs., rms
  • Limiter: soft limiter
  • Controls: DSP controlled
Amplifier Specifications
  • Total power: 6800 W
  • Low frequencies: 2 x 3400 W
  • Cooling: convection/forced
  • Connections: powercon
  • Cabinet Material: baltic birch plywood
  • Hardware: 2 x steel bar for fork-lift transportation, 4 x 100 mm wheels
  • Handles: 6 side
Physical Specifications
  • Height: 590/23.2 mm/inch
  • Width: 1170/46.0 mm/inch
  • Depth: 988/38.9 mm/inch
  • Net Weight: 115/235.5 kg/lbs

The highest power ever packed into a sub

Thanks to the two 3400 W each power amplifiers the TTS56-A delivers the maximum output power per size available on the market today. The amplifiers are equipped with Power Factor Correction (PFC) designed to offer a full voltage supply from any type of plug available.

32 bit floating point dsp

The amplifier integrates a 32 bit floating point DSP controlled through RCF unique RDNet Protocol that manages crossover, equalization, time alignment and protections.
The state of the art compressor/limiter circuit on board prevents amplifiers from clipping and avoid overdriving the transducers.
Ultra low noise

Ultra low noise AD converters ensure the perfect sound quality at the high output required for large events.

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