Professional Column Speaker TS-404HK

itc professional speakers are designed to deliver exceptional audio performance, providing a rich and immersive listening experience. This speaker is suitable for language PA systems such as small and medium-sized video conference rooms, digital courts, conference centers, lecture halls, and lecture theaters, and background music systems in various architectural spaces such as churches, museums, transportation hubs, and square public areas.
  • Rated power 250W
  • Nominal impedance 4Ω
  • Frequency range (-10dB) 70HZ-20KHZ
  • Sensitivity (±3dB) 93dB (1M/1W )
  • Coverage angle (H)160° (V)20°
  • Adopting four 4-inch ferrite bass units and one 1-inch neodymium magnetic tweeter.
  • The outer shell is made of composite materials mixed with aluminum alloy to strengthen the cabinet, which is strong and durable.
  • Double wiring design on the front and rear panels, perfectly adaptable to various system construction environments.
  • The unique embedded installation design can better match the architectural design style. The carefully designed magnetic mesh cover can embellish various decoration environments, making it harmonious and beautiful.
  • High-performance array sound columns can provide good sound amplification in complex environments with high natural reverberation coefficients, echoes, and architectural obstacles in speech and music listening spaces.
  • The newly designed circular waveguide hole forms a unique low-frequency heart-shaped diffusion, the treble is crisp and pleasant, the sound performance is natural and thick, and the bass is full.
  • With precise vertical dispersion angle and horizontal dispersion angle, the sound achieves linear sound column through the comb coupling principle.
  • Only support embedded installation scenarios.
Rated power 250W
Peak power 1000W
Nominal impedance
Frequency range (-10dB) 70HZ-20KHZ
Sensitivity(±3dB) 93dB (1M/1W )
Maximum SPL (rated/peak) 117dB/123dB
Bass unit 4″ bass × 4
Tweeter 1″treble×1
Coverage angle (-6dB) 160°(H)20°(V)
Net weight 8.5kg
Opening size (H×W×D) 755×138×165(mm)
Product size (H×W×D) 771×181×155(mm)

Technical Specification

Some words for solution selections description

  • One 8-inch ferrite mid-woofer unit and two 3-inch cone tweeters

  • Strong and wear-resistant cabinet

    • 12mm+15mm high-quality plate with CNC cutting technology
    • Water-based spray paint on the surface
    • One-piece stamped and formed square-mesh grille
    • Posted with highly sound-permeable acoustic sponge inside


  • Inverted trapezoidal structure


    Avoid the standing wave of the speaker

  • Technology to achieve bright treble, rich bass, and clear vocals

    • Classic two-way design
    • High-purity oxygen-free copper inductors
    • High-quality filter components


Please use the following form to get in touch and we will get back to you within 24 hours. You can use any contact form plugin in this area.


Please use the following form to get in touch and we will get back to you within 24 hours. You can use any contact form plugin in this area.

  • itc Headquater

    Building NO. A13-1, Yiku Industrial Park, The Hills, Dongyi Road, Panyu District, Guangzhou, China 511492

  • itc Factory

    NO.1 Building B Block Zhongcun Street Panyu Guangzhou China

  • Call itc

    +86-020-3937 8731

    +86-18824115002 (whatsapp)

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