K7 6 Channel Professional Vocal Processor
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K7 6 Channel Professional Vocal Processor

K7 High-End 6-Channel Professional Karaoke Pre-Processor

Key Features

  • High-Performance Architecture: Features high-quality AD/DA converters and dual high-speed DSP processors to ensure ultra-fast processing and crystal-clear, precise audio reproduction.
  • HIFI Hardware Design: Built with high-fidelity components to deliver a natural, captivating timbre and an enhanced overall acoustic experience.
  • Low-Noise MIC Preamplifier: Minimizes background noise to improve vocal clarity and sweetness, allowing every nuance of the voice to shine through.
  • Configurable Microphone Curves: Includes two sets of preset curves to adapt to various microphone types, optimizing sound output for different vocal styles and preferences.
  • Adjustable Mixing Ratio: Offers full control over Echo, Reverb, Music, and Direct output levels, providing the flexibility needed to achieve the perfect balance for any performance.
  • Flexible Parameter Adjustment: Supports independent or linked channel adjustments, offering versatile and convenient fine-tuning based on specific professional requirements.
  • 5th-Gen Reverb Algorithm: Delivers professional-grade early reflections and modulation, creating a warm, immersive sound field with added depth and richness to the vocals.
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​Top-Grade Audio Processing Engine

  • High-Precision AD/DA Conversion: Equipped with a 24-bit/192kHz professional-grade AD/DA converter.Dual-DSP parallel processing architecture, achieving real-time signal processing at 48kHz. Signal processing delay <3ms (full link).
  • Hi-Fi Audio Pathway: Designed with discrete component audio circuitry; Special frequency compensation network optimization; THD+N <0.005% (1kHz)

Intelligent Vocal Processing System

  • Professional-Grade MIC Preamplifier: Supports 48V phantom power; Dynamic range of 115dB(A-weighted); Adaptive noise gate.
  • Customizable Microphone EQ: Supports user-defined storage of 9 parameter sets.
  • Pre-set two parameter curves: Curve A (Wideband Mode): 80Hz-18kHz; Curve B (Vocal Optimized): 100Hz-15kHz.

Professional Mixing Control

  • Dynamic Mixing System: 6-channel independent processing (4MIC+2AUX); 4-bus output control (ECHO/REVERB/Music/Direct); Mix ratio adjustable from 0-120%.
  • Multi-Mode Echo System: Fifth-generation spatial reverb algorithm; Dual-mode modulation engine (AM/FM); 15-band EQ adjustment (±15dB).

Network Expansion Capabilities

  • Interface Configuration: 6×XLR balanced MIC inputs (with phantom power); 4×TRS balanced line input/outputs; Optical/coaxial digital audio input; USB music playback support (MP3/WAV)
  • Control System: 10-inch capacitive touchscreen; RS-485 network protocol support; Local/remote parameter synchronization; One-touch scene storage/call (supports 50 groups)

Professional Application Features

  • Multi-Scene Working Modes: Adaptive mode (automatic recognition of singing/music); Theater mode (enhanced surround effect); Live streaming mode (optimized network transmission)
  • Audio Analysis Tools: Built-in RTA real-time spectrum analysis; Phase analyzer; Loudness meter