Wet Sounds Sinister-SDX6 – 6-Channel Flagship Marine Amplifier

Elite power. Total control. Purpose-built for marine systems.

The Wet Sounds Sinister-SDX6 is a flagship 6-channel marine amplifier engineered for those who demand uncompromising power, clarity, and efficiency on the water. Utilizing Wet Sounds’ exclusive Class D power supply paired with patented MAXED™ technology, the SDX6 delivers massive output while drawing less current and producing less heat—extending playtime and reducing strain on your electrical system.

Housed in a single, full cast-aluminum chassis, the Sinister-SDX6 offers exceptional cooling, corrosion resistance, and a clean, professional installation. Designed specifically for harsh marine environments, this is not a repurposed automotive amplifier—it’s a purpose-built marine powerhouse that delivers clean, stable, distortion-free sound even during extended high-output sessions.

Advanced layered circuit boards and intelligent microprocessors ensure consistent performance and minimal distortion. A true full-range Class D design, the SDX6 includes remote level control, removable speaker plugs, high-level inputs, and integrated protection circuits for long-term reliability.

Features

• Flagship 6-channel full-range Class D amplifier

• Exclusive Class D power supply with MAXED™ technology

• High output with reduced electrical demand and heat

• Full cast-aluminum chassis for superior cooling and durability

• Layered PCBs with advanced microprocessor control

• Marine-grade construction for salt, spray, heat, and vibration

• Remote level control included

• Removable speaker plugs and high-level inputs

• Integrated protection circuitry

• Backed by a 2-year Wet Sounds limited warranty

Power Output

• 6 × 185W @ 4Ω Stereo

• 6 × 290W @ 2Ω Stereo

• 3 × 585W @ 4Ω Mono

Specifications

• Amplifier Type: Full-Range Class D

• Series: Sinister

• Input Sensitivity: 0.2V – 6.1V

• Crossover: HPF / LPF, 30Hz – 300Hz (12dB/Oct)

• Signal-to-Noise Ratio (A-weighted): >87dB / >109dB

• Bass Boost: 0 – 12.5dB @ 27Hz – 110Hz

• Frequency Response: 8Hz – 35kHz

• Over-Voltage Protection: True 15.6V

• Remote Level Range: 0dB to -61dB

Built for Unmatched Marine Performance

The Sinister-SDX6 is the amplifier of choice for serious marine audio systems. Powerful, efficient, and engineered to thrive where ordinary amplifiers fail, it delivers elite-level performance with absolute confidence.