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The 906 is a high-performance controllable power amplifier for line-level stereo audio signals. It accepts either an unbalanced stereo audio signal on RCA connectors or a balanced stereo audio signal on a terminal block connector. It delivers a speaker output of 6.8 watts RMS per channel into a 4ohm load.

  • Input - 1 balanced (terminal block) and 1 unbalanced (2 RCAs).
  • Output - Terminal block for speakers.
  • USB Port - For firmware update.
  • Controls - Up/Down for volume, bass, mid, treble, balance; buttons for mute and loudness.
  • Input Mixing Option.
  • Flexible Control Options - Front panel, RS-232, Ethernet, K-Net, IR remote (included) & 10Kohm volume level.
  • Compact MegaTOOLS® - 2 units can be rack mounted side-by-side in a 1U rack space with the optional RK-T2B rack adapter.


INPUTS: 1 unbalanced stereo audio on RCA connectors; 1 balanced stereo audio on a 5-pin terminal block connector; 1 USB connector.
OUTPUTS: 1 speaker stereo audio on a 4-pin terminal block connector.
OUTPUT POWER: 2 x 5.3W per channel into 8ohm; 2 x 6.8W per channel into 4ohm.
OUTPUT MUSIC POWER: 2 x 22W per channel into 8ohm; 2 x 28W per channel into 4ohm.
BANDWIDTH (-3dB): 32.5kHz.
S/N RATIO: 67.5dB @1kHz.
CROSSTALK: -55.6dB @1kHz.
CONTROLS: Volume: <-37dB to 35.6dB; balance: <-20dB to 0dB; treble: -5.3dB to 10.9dB @10kHz; mid: -7.8dB to 13.2dB @1kHz; bass: -4.1dB to 15.1dB @100Hz.
ADDITIONAL CONTROLS: Input selector, mute, external potentiometer, remote by contact closure, infrared remote.
COUPLING: Input: AC, output: DC.
AUDIO THD + NOISE: 3.4% @1kHz.
AUDIO 2nd HARMONIC: 0.3% @1kHz.
POWER SOURCE: 12V DC 1.2A (8ohm load), 1.7A (4ohm load).
DIMENSIONS: 18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 0.94") W, D, H.
WEIGHT: 0.6kg (1.32lbs).
ACCESSORIES: Power supply, IR remote control transmitter.
OPTIONS: RK-T2B 19" rack adapter.

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