BRAX NOX4B DSP High-End 4-channel amplifier with integrated DSP
Brand New. Unopened
If you want the best possible car audio system with total control over sound quality, then BRAX's NOX4BDSP 4-channel amplifier should be powering your music. This gorgeous, hand-crafted amplifier features a sophisticated built-in digital signal processor, bringing an unprecedented level of high-fidelity amplification and sound processing into the mobile environment. The NOX4BDSP sends 100 watts RMS to each of your front and rear speakers. Bridged for 2-channel operation, the NOX4BDSP puts out up to 340 watts RMS each to a couple of subwoofers.

Product Highlights:

  • 4-channel car amplifier with a built-in 6-channel digital signal processor
  • 24-karat gold-plated RCA input, power, and speaker connections
  • double-sided circuit boards with silver-soldered components
4-channel amplifier
  • 100 watts RMS x 4 at 4 ohms (170 watts RMS x 4 at 2 ohms)
  • 340 watts RMS x 2 bridged at 4 ohms
  • Class AB amp technology
  • hand-selected and matched transistors
6-channel digital signal processor (DSP)
  • DSP settings and adjustments made via laptop or PC through a USB port
  • download DSP PC-Tool Software from or
  • 6 assignable inputs with 2 auxiliary outputs
  • channel settings can be separate or linked together
  • time alignment in 7 mm increments
  • 30-band graphic EQ on every channel
  • adjustable high- and low-pass filters (20-20K Hz) with selectable slopes (6, 12, 18, 24, 30 dB/octave)
  • selectable filter characteristics
    • Butterworth: sharp transition, suitable for most applications
    • Bessel: gradual transition, suitable for smooth speakers, but not subs
    • Linkwitz: recommended for high-end speakers only, not subs
    • Chebyshev: very sharp transition, useful as high-pass for tweeters or low-pass for subs
    • Self-Define: selectable Q-Factor, 12 dB/octave slope only
  • phase adjustment: switchable 0/180 degrees on front and rear channels, adjustable 0 to 360 degrees on subwoofer channels in 22.5-degree increments
  • 2- or 1/0-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • fuse rating: 100A x 1
  • 12-5/8"W x 2-1/4"H x 12-5/8"D
$ 3,100.00 $ 2,200.00

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