Wet Sounds Sinister Series SDX4 Marine Amplifier Used Fully Tested 90-Day Warranty

$949.99

This item is pre-owned and may exhibit signs of cosmetic wear, including scratches or scuffs; however, it is fully functional and operates as intended. Please note, it may not include all components originally provided by the manufacturer. The images displayed show everything included with this purchase.
SKU: 784890
In stock (1 available)
  • Free Shipping Lower 48

    Free Shipping Lower 48

  • 30-Day Returns

    30-Day Returns

  • 90-Day Warranty

    90-Day Warranty

Manufacturer: Wet Sounds

Model Number: SDX4

Series: Sinister Series

Listed Item Condition: Used

Additional Notes:

This listing is for a used Wet Sounds Sinister Series SDX4 4-CH Marine Amplifier in great condition.

Product Information

4-channel marine amplifier

Power output: 185W RMS x 4 @ 4Ω / 340W RMS x 4 @ 2Ω

Bridged power: 685W RMS x 2 @ 4Ω

CTA-2006 compliant

Wet Sounds MAXED Class-D technology for high efficiency and low current draw

Advanced microprocessor control

Audio Controls

Variable low-pass and high-pass filters: 30–290 Hz (12 dB/octave)

Variable bass boost on Channels 1–2: 0–15 dB (30–130 Hz)

Stereo/mono switching on both channel pairs

Connectivity & Features

Preamp and speaker-level inputs (speaker-to-RCA adapter required for speaker-level input)

Preamp outputs

Remote level control with 20 ft cable

Selectable LED logo badge (red, white, or blue)

Please review all photos for the items’ condition and sales contents

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What’s Included:

  • Wet Sounds Sinister Series SDX4 Marine Amplifier

Dimensions (L x W x H): 10 x 13.5 x 3 in, Weight: 10.5 lbs

Shipping Info: Free shipping applies to items being delivered within the contiguous United States (lower 48). HI, AK, PR, and all other US Territories, and International locations will have shipping calculated during checkout. Please be advised if the item is large or is a multi-piece shipment, shipping quotes may be inaccurate due to restrictions outside of our control, in those instances you will be contacted promptly.

Terms:

All items sold at Max Marine Electronics come as you see in the pictures provided, with only the parts and accessories stated in the description section named “What’s Included”. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE DESCRIPTION WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times when a display is used only to show the item being sold is functional and working properly. In this case, these displays are not included. If you have any questions feel free to send a message or call Max Marine Electronics Inc, Pompano Beach, Florida. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.

***PLEASE NOTE***Buyers outside the contiguous United States:
We strive to provide accurate shipping quotes at checkout. However, for satellites, radars, large items, or multi-piece shipments, system and carrier limitations may sometimes result in incorrect estimates. If this happens with your order, our team will reach out to you right away to ensure you receive the best possible shipping solution. Your satisfaction is our priority!

Weight 10.5 lbs
Dimensions 10 × 13.5 × 3 in
Categories Audio & Video » Amplifiers
QTY Available 1
Date Added Feb 12, 2026
Location

2026600

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