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The GT SUB 18 A is powered by a built-in Class D amplifier with 1600 watts peak output and high-efficiency SMPS as well as overcurrent and overvoltage protection. It provides a 32 Hz - 200 Hz frequency response and features XLR and 6.3 mm line inputs, XLR line output, an adjustable low-pass filter and filtered 100 Hz satellite output.

A protective cover is available as accessory.

Shipping Info
Shipping AvailabilityPhilippines
Technical Specifications
AmplifierClass D
Cabinet constructionsvented
Cabinet Material18 mm MDF
Cabinet surfaceDura-vinyl textured paint
FeaturesLD Systems GT handles, Threaded flange M20
Frequency response32 - 200Hz
Indicatorslimit, Power, protect (protection circuit engaged), signal
Input impedance27 kOhm(s)
Line input connectors6.3 mm Jack, XLR
Line inputs2
Line output connectorsXLR
Line outputs2 x sat output 100 Hz, 2 x direct output
Low/mid driver dimensions18"
Max SPL (peak)128dB
Max. SPL (continuous)125dB
Operating voltageSwitching Power Supply, 100 V AC - 120 V AC, 200 V AC - 240 V AC, 50 - 60 Hz (automatic conversion)
Product TypePA subwoofer
Protection circuitslimiter, DC, over-current, short circuit
RMS400W
Typeactive
ControlsSub Freq (adjustable low-pass filter), sub level, Subwoofer Phase Reverse

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LD Systems GT SUB 18 A 18" powered subwoofer

With its custom 18" low frequency transducer and a peak SPL of 128 dB, the GT SUB 18 A active subwoofer delivers a big, tight bottom end with superb transient response. Providing amazing value, it sports a sturdy MDF bass reflex enclosure with hard-wearing textured Dura-Vinyl covering, heavy duty steel handles, a steel grille with honeycomb pattern and threaded M20 pole insert.


  • Brand: LD Systems
  • Product Code: LDGTSUB18A
  • Availability: In Stock

Tags: LD systems, GT, loudspeaker, GT 18 A