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The Infinity REF1300A is a mono subwoofer amplifier featuring a built-in 12dB per octave electronic crossover.

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The Infinity REF1300A is a mono subwoofer amplifier featuring a built-in 12dB per octave electronic crossover to optimize bass performance.  The amplifier provides 300 watts of RMS power at 2 Ohms or 200 watts of RMS power at 4 Ohms and has a variable bass boost of 0dB to 6dB at 50 Hz.  The REF1300A also has a pair of full-range preamp outputs allowing multiple amplifiers to be used without the need for an adapter.  It comes with a remote level bass control and a port allowing for connection to future products.  This model is similar to Infinity's REF1600A with the main difference being the higher power output of the REF1600A over this model.

Specifications
  • 300-watt mono subwoofer amplifier
  • 12dB per octave on-board electronic crossover
  • Remote level bass control
  • Port for future products
  • One pair of full-range preamp outputs
  • Power Output: 200 watts RMS x 1 channel at 4 ohms and ≤ 1% THD + N
  • Signal-to-Noise Ratio: 85dBA (reference 1 watt into 4 ohms)
  • Dynamic Power: 342 watts at 2 ohms
  • Effective Damping Factor: 6.3 at 4 ohms
  • Frequency Response: 11Hz to 330Hz (-3dB)
  • Maximum Input Signal: 6V
  • Maximum Sensitivity: 100mV
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