JBL GT5 Series

JBL GT5 Series

৳ 35,000

Category Details
Model GT5-S12 Active Subwoofer
Driver 12″ JBL GT5 S12 Series Subwoofer
Power Handling 500W RMS / 1200W Peak
Amplifier Built-in Class D – 500 Watts RMS
Frequency Response 25Hz – 200Hz
Crossover Adjustable: 60Hz – 200Hz
Enclosure Type Ported (with option to seal the vent for sealed mode)
Tuning Frequency 28Hz (ported mode)
Construction 18mm MDF with internal acoustic fiber damping
Port Flared tube port for smooth airflow
Inputs RCA Line-In (Stereo) + LFE (Subwoofer Out)
Controls Level/Gain, Crossover Adjustment
Finish Options Walnut / White
Dimensions (W×H×D) 14.5″ × 14.5″ × 14.5″
Weight 22 kg
Connectivity AVR-compatible RCA inputs (Stereo & LFE supported)
Warranty 1 Year Limited Warranty
Support Lifetime Service Support from Gigabass Audio
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Gigabass Active 12″ Powered Subwoofer (JBL GT5 S12 Driver)

Model: GT5-S12 Active Sub

Experience cinema-grade low-end performance with our compact yet powerful 12″ active subwoofer, built around the legendary JBL GT5 S12 driver. Designed to deliver earth-shaking bass and dynamic punch, this subwoofer is the perfect addition to any home theater or music setup.

Whether you’re watching action-packed movies or listening to deep bass-heavy music, the GT5-S12 Active Sub brings immersive, room-filling low-end performance to life—just plug into your AVR and feel the thunder.


Key Features:

  • JBL GT5 S12 Series Driver (12″)
    A high-performance 12″ subwoofer driver rated at 350W RMS and 1200W peak, delivering deep, punchy bass with excellent control and excursion.
  • Built-in 500W Class-D Amplifier
    Efficient and powerful, the internal Class-D 500-watt amplifier ensures the driver performs at its full potential with clean power and thermal stability.
  • High Performance Toroidal Transformer: Utilized 500watt High Performance & High Efficiency Toroidal Transformer for durability & high quality performance.
  • Dual-mode Ported & Sealed Design
    Designed for versatility—use it as a ported subwoofer for maximum low-end extension or seal the flared port for a tighter, more controlled bass response.
  • Compact Yet Powerful
    With a footprint of only 14.5″ square, this unit fits comfortably in most setups while packing serious power. Built with 18mm MDF, tuned precisely at 28Hz, and internally damped with acoustic fiber for accurate bass production.
  • Room-Filling Performance
    Capable of reaching down to 25Hz, this subwoofer adds dramatic weight and presence to any audio experience—from explosions in action movies to bass drops in music.

🎛️ Specifications:

  • Driver: 12″ JBL GT5 S12 Series

  • Amplifier: 500W Class D (Active Powered)

  • Frequency Response: 25Hz – 200Hz

  • Crossover Range: Adjustable 60Hz – 200Hz

  • Inputs:

    • RCA Line-In (Stereo)

    • LFE (Dedicated Subwoofer Out from AVR)

  • Controls:

    • Level/Gain Control

    • Crossover Adjustment

  • Build: 18mm MDF Cabinet with internal fiber damping

  • Port Design: Flared tube port (removable for sealed operation)

  • Tuning: Tuned to 28Hz

  • Finish Options:

    • Premium Gloss White

    • Walnut Wooden Vinyl

  • Dimensions: W 14.5″ × H 14.5″ × D 14.5″

  • Weight: 22kg

  • Warranty: 1 Year Warranty

  • Lifetime Service Support included via Gigabass Audio


🎬 Ideal For:

  • Home Theater Enthusiasts

  • Audiophiles looking for deep bass in compact size

  • Music Producers needing tight, accurate low-end

  • Anyone wanting to feel the movie, not just hear it


🔌 Just Connect & Feel the Impact

Connect it to your AVR using stereo or LFE input, adjust the crossover to match your main speakers, and get ready for a bass experience you can feel in your chest. Whether you’re watching movies or enjoying your favorite tracks, the GT5-S12 Active Subwoofer delivers true cinematic bass.