Professional Amplifier TC-4700

As a crucial component in professional sound system, itc professional digital amplifier plays a pivotal role in delivering high-fidelity sound and reproducing audio sources with exceptional accuracy and force, effectively filling venues with rich, clear, and dynamic sound and achieving an unparalleled listening experience. Characterized by high efficiency, stability, and excellent sound quality, this series of high-power professional amplifiers is specially suitable for large-scale sound reinforcement venues, tour performance multipurpose halls, etc.
  • Output power (1KHz/THD≤1%) Stereo (8Ω) 4*700W; (4Ω) 4*1200W; (2Ω) 4*2250W Bridge (16Ω) 2*1400W; (8Ω) 2*2400W; (4Ω) 2*4500W
  • Input sensitivity 2.2dBU(1V), 8.2dBU(2V)
  • Input impedance 10KΩ unbalanced, 20KΩ balanced
  • Frequency response (@1W power) 20-20KHz/±1dB
  • SNR (A-weighted) ≥102dB
  • SupportDC, short circuit, overload and overheat protection;
  • The panel is designed with Signal (green), CLIP (orange), Protection (red), power indicator (blue);
  • Support XLR balanced input; SPEAKON audio socket output;
  • Support signal, power, temperature and other voltage limiting functions;
  • Support optional three modes: MONO/STEREO/BRIDGE;
  • Support optional 1V/2Vsensitivity;
  • With a temperature-controlled fan, it rotates as soon as it is turned on; the fan accelerates as the temperature rises, and reaches full speed at about 60℃;
  • Super load capacity: support 8 ohms, 4 ohms, minimum 2 ohms.
Model TC-4700
Output power (1KHz/THD≤1%)


Stereo 8Ω: 4*700W; 4Ω: 4*1200W; 2Ω: 4*2250W;

Bridge 16Ω: 2*1400W; 8Ω: 2*2400W; 4Ω: 2*4500W

Connector XLR interface
Voltage gain (@1KHz) 37.5dB
Input sensitivity 2.2dBU (1V), 8.2dBU (2V)
Input impedance 10KΩ unbalanced, 20KΩ balanced
Frequency response (@1W power) 20-20KHz/±1dB
THD+N (@1/8 power) ≤0.01%
SNR (A-weighted) ≥102dB
Damping coefficient (@1KHz) ≥200@8ohms
Resolution (@1KHz) ≥85dB
Protection method Over-voltage protection, under-voltage protection, over-current protection, DC protection, short circuit protection
Indicator light Power, Protection, Signal, Distortion
Cooling method Fan cooling
Power supply ~220 50Hz
Overall power consumption 1100W
Dimension (L×W×H) 483×353×44mm
Weight 8kg

Output power: according to CEA-2006-B/CEA-490-A standard using 20ms pulse 1kHz sine wave measured under 1% total harmonic distortion.

Overall power consumption: according to GB4943.1-2022 test method: measured under 1kHz sine wave rated load 1/8 power conditions.

Technical Specification

Some words for solution selections description

  • More than 95% ultra-high efficiency and excellent stability

    • Variable oscillation modulation technology
    • Multiple feedback regulation technology
    • Innovative output power control technology
  • With signal, power, temperature voltage limit function

  • MONO/STEREO/BRIDGE mode for selection

  • Temperature-controlled fan

    • Work immediately when booting
    • Accelerate as the temperature rises
    • Full speed at about 60℃
  • Super load capacity of 8 ohms, 4 ohms, and 2 ohms

  • Comprehensive protective measures

    • Over-voltage protection
    • Under-voltage protection
    • Over-current protection
    • Overload protection
    • DC protection
    • Short circuit protection
    • Overheat protection



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