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GT Audio GT-90/x5ABD 4x90w Class AB + 1x1000w Class D 5 Channel Bridgeable Stereo+Mono 12v Power Amplifier

World RRP: £257.95


Product code: GT-90/x5ABD

GT Audio offers a very high level of performance with a relentless eye to offering the best possible value for money. The GT90/x5ABD is a super exciting, whole system amplifier that combines a traditional Class AB 4 Channel board to drive full range with a Class D mono section to drive your subwoofer. It is a fantastic solution to keeping an upgraded system simple and light on extra wiring. Notably, the subwoofer section is happy to play into a 1 Ohm load, where it offers almost 1000w of power! A full crossover section for both sides of the amplifier is on board, allowing a range of useful configurations.

Version History

Since 7/8/23 the downloadable data sheet and online data matches the screen printing on the amplifier for LPF. There are detail but not significant differences between the lab report (and hence the paper data sheet included with the amplifier in the box in relation to this field.)


GT Audio

Key Facts

Product Category Amplifiers
Version 1
Series GT Audio
Date Added 08/08/2022
Date Modified 16/11/2023
Barcode 5060905111008
Production Status Current
Product Net Weight (g) (For Pairs/Sets/Major Parts) 4430
Product Height (mm) 61
Product Length (mm) 420
Product Width (mm) 245
Complete Product Pack Weight (g) 4630
Retail Carton L (mm) 515
Retail Carton W (mm) 250
Retail Carton H (mm) 85
Operating Temperature (Degrees Celsius) 0-50
Weatherproof Rating In-Car Only
Warranty (Months) - Private Enjoyment Use Only 12
Sold As Single

Amplifier Data

Genuine Useable RMS Power, 4Ohm (Watts), < 1%THD, 14v 80x4(4Ohm)+380x1(4Ohm)
Genuine Useable RMS Power, 2Ohm (Watts), < 1%THD, 14v 90x4(2Ohm)+650x1(2Ohm)
Genuine Useable RMS Power, 1Ohm (Watts), < 1%THD, 14v 90x4(2Ohm)+1000x1(1Ohm)
Frequency Response (Hz) 20>30000
Signal To Noise Ratio (db) 90
LPF (Hz) 40>250
HPF (Hz) 80>1200
Bass Boost (Db) 0>12
Boost Frequency (Hz) 45
Subsonic Filter (Hz) 10>50
Audio Signal Input Voltage (V) 0.2>6
LPF Slope (Db/Oct) 12
HPF Slope (Db/Oct) 12
Subsonic Filter Slope (Db/Oct) 24
Amplifier Topology Class AB + D Mono
Maximum Input Voltage (V) 16
Fuse Rating (Amps) Unfused
Power Wire Input Gauge (AWG) 4
Minimum Recommend Final Load Per Channel (Ohms) 2 Stereo / 4 Mono (+ 1 Mono Sub Channel)
Input Impedance (KOhms) 22
Channel Separation (Db) 40

Technical Highlights

  • Class AB+D Pure Sound + Maximum Power 5/4/3 Channel Hybrid Amplifier
  • Power Output 4 x 90W RMS @ 2Ohm Load + 1 x 1000W RMS @ 1Ohm Load
  • 16V Capable RCA Inputs
  • 40>250Hz LPF / 10>50Hz HPF Crossovers
  • Minimum Power Supply 120A via 1x 4AWG Input
  • 20>30000Hz Response / 90dB Signal To Noise Ratio
  • 16V Capable Power Input
  • Included Bass Remote & Cable

What's In The Box?

  • 1 x Amplifier
  • 1 x Bass Remote Control
  • 1 x GT Audio Sticker
  • 1 x Documentation Set
What's In The Box?