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Power amplifier+DSP+Microphone three-in-one Class D audio system

Short Description:

The fourth generation SHARC processor, 64-bit DSP digital processing technology. Built-in 4.0 Bluetooth. A pair of wireless microphones equipped with BBS microphone cores, automatically linking the frequency and ready to use. Perfect speaker protection functions such as overheating, overcurrent, short circuit, DC, etc.

  • Customization: Customized logo (Min. Order: 300 Pieces)
    Customized packaging (Min. Order: 500 Pieces)
  • Model: KA-400
  • Product Detail

    Product Tags

    Technical parameters:
    1. Stereo power: 8Ω , 2*400W
    2. Frequency response: 20Hz-20KHz(±0.5dB)
    3. Total harmonic distortion: <0.05%
    4. Signal-to-noise ratio: >90dB
    5. Input sensitivity: music 650mv/microphone 35mv
    6. Input impedance (unbalanced/balanced): 22KΩ
    7. Product dimensions: (L×W×H) 50*32*13 (unit: CM)
    8. Gross weight: 6KG


    • An external computer can be used to debug and save the best results with DSP300 software.
    • The music adopts 6-level modulation and 7-band equalizer adjustment, with compressor and frequency divider adjustments.
    • The microphone adopts 12-band equalizer adjustment, 9-level feedback suppression adjustment, with noise gate and compressor adjustment.
    • Echo has 5 segments of equalization and 6 effects adjustment.
    • Reverberation has five-band equalization and 4 kinds of effect adjustment.
    • With engineering lock function, it can be set independently.
    • Music, microphone, effect boot volume setting and maximum volume lock function.
    • Switch machine mute function to prevent impact to the power amplifier and restore factory settings.
    • Independent USB/MP3 player interface, can play lossless music, very convenient to use.
    • Provide 2 microphone inputs on the back panel of the panel, which is convenient for engineering use.
    • Provide 4 audio inputs and 1 optical fiber input.
    • Perfect speaker protection functions such as overheating, overcurrent, short circuit, DC, etc.
    • Equipped with a temperature-controlled cooling fan to enhance the heat dissipation of the machine to meet long-term work.

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