Description
- Element-Ready Performance: Built for marine, ATV, UTV, and off-road use with rugged waterproof construction and outdoor protection.
- Powerful 4-Channel Output: Delivers 720W max power and supports 4 x 60W RMS @ 4 Ohm or 4 x 90W RMS @ 2 Ohm configurations.
- Flexible Configuration: Bridgeable at 4 Ohm for 2 x 180W RMS, ideal for a variety of speaker setups.
- Precision Sound Control: Equipped with high and low pass filters adjustable from 40 Hz to 500 Hz and wide frequency response from 20 Hz to 20 kHz.
- Adaptable Performance: Versatile and powerful, though not suitable for submersible use.
DS18 720W Waterproof 4-Channel Micro Marine Amplifier for ATV, UTV, Boat
This listing includes:
- (1) DS18 HYDRO 4-Channel Micro Amplifier
- User Manual
- Mounting Hardware
Enhance your outdoor sound experience with the DS18 HYDRO 4-Channel Micro Amplifier. Designed to perform in the harshest environments, this waterproof Class D amp delivers 720 watts of max power across 4 channels and is perfect for marine, ATV, UTV, and other rugged installations. With selectable high and low pass filters (40 Hz 500 Hz), a frequency range of 20 Hz 20 kHz, and 90 dB signal-to-noise ratio, it offers high-fidelity audio in a compact form factor. Whether you’re on a boat, trail, or track, this amp brings reliable, crisp sound to every adventure.
Specifications:
- Max Power: 720W
- RMS Power @ 4 Ohm (14.4V): 4 x 60W
- RMS Power @ 2 Ohm (14.4V): 4 x 90W
- Bridged RMS @ 4 Ohm: 2 x 180W
- Frequency Response: 20 Hz 20 kHz
- High/Low Pass Filter Range: 40 Hz 500 Hz
- Signal-to-Noise Ratio: 90 dB
- THD: 0.1%
Product Dimensions (L x W x H):
- Length: 8.00″
- Width: 3.25″
- Height: 1.50″
- Weight: 2.20 lb
Package Dimensions (L x W x H):
- Length: 10.25″
- Width: 5.00″
- Height: 3.00″
- Weight: 2.60 lb

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