The ATG-TS1800.1D is a high-output Class-D monoblock amplifier from ATG Audio’s Transcend Series, engineered for serious subwoofer systems in car, marine, and powersports applications. Designed for 1-ohm operation with compact Class-D efficiency, this amplifier delivers strong low-frequency output while maintaining a relatively compact chassis and flexible tuning controls.

Main Features

  • Mono Class-D amplifier
  • 1-ohm stable design
  • 1800W max output @ 1Ω
  • Compact chassis footprint
  • Variable low-pass crossover
  • Variable subsonic filter
  • Selectable bass boost
  • Remote bass level control included
  • Marine-grade internal components
  • High-efficiency Class-D circuitry
  • Heavy-duty power terminals
  • Designed for subwoofer applications

Specs

Specification Details
Amplifier Class Class-D
Channels Mono
Power @ 1Ω 1800W x1
Power @ 2Ω 900W x1
Power @ 4Ω 450W x1
Frequency Response 20Hz – 250Hz
Signal-to-Noise Ratio 96 dB
Low Pass Filter 50Hz – 220Hz
Subsonic Filter 10Hz – 50Hz
Bass Boost 0 / 6 / 12 dB @ 45Hz
Operating Voltage 12V – 15V
Dimensions Approx. 9.45" x 15.35" x 3.74"
Product Weight 6.4 lbs
Approx. Shipping Weight ~8–12 lbs

Works Great With

    Complementary products