Thunder Audio Rumble 118A 18-inch Powered Subwoofer - Front View

Thunder Audio Rumble 118A Subwoofer - Side View Showing Ports

Thunder Audio Rumble 118A Professional Subwoofer - Rear Panel Features

Rumble 118A Specifications

Frequency Response: 30Hz - 150Hz (±3dB)
Peak SPL @ 1M: 132dB
LF Driver: 18" Transducer with 4" Voice Coil Magnet 170oz High-Grade
Power Handling: 1000W RMS / 2000W Program
Amplifier: 2000W Class-D with DSP
Inputs: XLR, RCA (1/4" TRS compatible)
Power Supply: 100-240V 50/60Hz (Auto-switching)
Weight: 44kg (90lbs)
Dimensions: 560 × 480 × 700mm (W×H×D)

RUMBLE 118A - 18" 2000W Professional Powered Subwoofer

Uncompromising Sound Quality

The Thunder Audio Rumble 118A powered subwoofer delivers powerful, deep bass with cutting-edge DSP technology. Ideal for DJs, musicians, and venues requiring reliable, high-performance sound reinforcement for both mobile and installed applications.

Professional-Grade Components

Featuring a high-efficiency 2000W Class-D amplifier and over-engineered cabinet with Advanced Impulse DSP, this subwoofer maximizes power and clarity. The 18" transducer with 4" voice coil and 170oz magnet provides unmatched low-frequency extension.

Built for Reliability

Universal power supply (100-240V) with Power Factor Correction ensures stable performance worldwide. Next-generation protection circuitry maintains peak performance while safeguarding components. Advanced thermal management prevents overheating during extended use.

Technical Highlights

DSP Processing: 24-bit/96kHz digital signal path
Crossover: Adjustable 80Hz-120Hz (24dB/octave)
Phase Control: 0°-180° continuously variable

Cabinet: 18mm Baltic birch with textured coating
Handles: Recessed steel with rubber grips