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The 900N is a high-performance power amplifier for balanced or unbalanced stereo audio signals. Either input can deliver a speaker output of 8.4 watts RMS power per channel into a 4ohm load.

  • Inputs - 1 unbalanced (2 RCA), 1 balanced (terminal block).
  • Output - 4-pin terminal block (speakers).
  • S/N Ratio - 55dB.
  • Controls - Volume knob, On LED.
  • Special Note - Before turning on the 900N, make sure the volume is turned down to the minimum.
  • Compact Kramer TOOLS™ - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter.
This product replaces the 900


INPUTS: 1 unbalanced stereo audio on RCA connectors; 1 balanced stereo audio on a 5-pin terminal block connector.
OUTPUTS: 1 stereo loudspeaker output on a 4-pin terminal block connector.
OUTPUT POWER: 8.4W RMS per channel into a 4ohm load.
OUTPUT MUSIC POWER: 35W RMS per channel into a 4ohm load.
BANDWIDTH (-3dB): 24kHz.
S/N RATIO: 55dB.
CONTROLS: –40dB to +19dB until the compression threshold.
COUPLING: Input: AC; speakers out: DC.
AUDIO THD + NOISE: 0.5% @1kHz.
AUDIO 2nd HARMONIC: 0.04% @1kHz.
DIMENSIONS: 12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98") W, D, H.
WEIGHT: 0.3kg (0.66lbs) approx.
ACCESSORIES: Power supply, mounting bracket.
OPTIONS: RK-3T 19" rack adapter.

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