Name: Wet Sounds HT-4
Brand: Wet Sounds
SKU: 867HT4
Rating: 5 (12 reviews)

by Crutchfield's Jon Paul

The Wet Sounds HT-4 amp packs a phenomenal amount of punch into a compact package that's ideal for your boat or car stereo system. This Class D full-range amplifier can be configured to run almost any speaker combination — from multiple speakers and tower set-ups to high-powered subwoofers. With high-pass and low-pass filters plus bass boost on all channels, you'll be able to fine-tune your system to get the sound you want.

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A powerful full-range amp

The HT-4 also lets you enjoy the convenience of RCA input summing. With this feature, you can drive all channels with one set of RCA cables without the need for RCA Y-adapters.

Get the look you like

Because every boat installation (not to mention every boater) is unique, these amps let you create a great-sounding system that suits your boat — and your style. The HT-4's removable power/ground and speaker wire plugs help if you install your amp in a tight location, while snap-on mounting feet allow you to run wiring under the amp so more exposed installations look clean and neat.

If you want to show off your gear, you can paint the accent stripes and removable wiring and control covers to suit your style. You can even place the backlit logo badge horizontally or vertically.

Rugged amps that really rock

Wet Sounds Hydro TechT amps are designed to produce serious power under the toughest conditions. A conformal-coated circuit board, a sealed, salt-water resistant heat sink, and stainless steel hardware ensure that your amp will stand up to salt, spray, high temperatures, and high volume levels for seasons to come.

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Product highlights:

full-range 4-channel marine amplifier
Class-D design
110 watts RMS x 4 at 4 ohms (150 watts RMS x 4 at 2 ohms)
300 watts RMS x 2 at 4 ohms in bridged mode
frequency response: 10-20,000 Hz
variable low-pass and high-pass crossovers on channels 1/2 and 3/4
variable bass boost: 0-12 dB at 45 Hz
rugged water-resistant design
dimensions: 11"W x 7-5/16"D x 2-5/16"H
warranty: 1 year
MFR # HT-4

What's in the box:

Wet Sounds HT-4 owner's manual

Marine 4-channel amplifier
Power terminal block
Speaker/ Remote turn-on terminal block
Speaker terminal block
4 Mounting feet
2 End covers (installed)
Four 25-amp ATO blade fuses (2 installed/ 2 spare)
Four 1-1/2" Self tapping screws
Eight 1/4" Screws (to install the feet)
Wet Sounds logo badge
2 Adhesive backed accent stripes
Owner's manual

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Researched by Crutchfield's Mark G.

Features & specs

Performance
RMS Power Output (Watts x Channels)	110 x 4
Frequency Response at Rated RMS Power	N/A
THD at Rated RMS Power	0.08%
Signal to Noise Ratio	95 dB
Input Voltage	N/A
Peak Power Output (Watts x Channels)	N/A
Power at 2 Ohms (Watts x Channels)	150 x 4
Bridged Power (Watts x Channels)	300 x 2
Minimum Impedance Bridged	4
Minimum Impedance Unbridged	2
Features
Amplifier Class	D
Low-Pass Crossover Frequency	50-250 Hz
Low-Pass Slope (dB/octave)	12 dB/octave
High-Pass Crossover Frequency	50-250 Hz
High-Pass Slope (dB/octave)	12 dB/octave
Bass Boost	0-12 dB
Bass Boost Frequency	45 Hz
Fan Cooled	No
Fuse Rating	50
Speaker Level Inputs	No
Preamp Outputs	1 pair
Height (inches)	2-7/8
Width (inches)	11
Depth (inches)	7-5/16
Parts Warranty	2 Years
Labor Warranty	2 Years

Product Research

Features
Controls
Connections

Features

Marine Amplifier: The Wet Sounds Hydro-Tech series amplifiers, with conformal coated PCBs, are specifically designed for marine applications. However, the amps are not waterproof, and should not be mounted where they are likely to get wet.

4-Channel Amp: The HT-4 is a 4-channel amplifier, basically two 2-channel amps in one chassis. The inputs, outputs, and controls are labeled CH1/CH2 or CH3/CH4.

Mounting Feet: Using the included mounting feet adds approximately 1/2" to the height of the amp, but allows you to hide the wiring under the chassis.

Logo: The Wet Sounds logo mounts over the status LED, on the top of the amp. It can be mounted vertically or horizontally.

End Covers: There are removable covers on both ends of the amp to help protect the controls and connections. The covers can be painted.

Note: A 3mm Allen wrench (not included) is needed to remove the covers. They must be removed during the installation.

Controls

Control Panel Cover: All the controls are protected by a rubber cover to help keep them dry.

Input: When only using one pair of the RCA inputs, set the Input switch to 2CH. When using all four RCA inputs, set the Input switch to 4CH.

Gain: CH1/CH2 and CH3/CH4 have independent gain controls, continuously variable rotary controls; 200 mV to 5 V.

Crossover: CH1/CH2 and CH3/CH4 have independent crossover controls. Each 12 dB/octave crossover can be set to low pass, high pass, or full (crossover is bypassed and the amp output is full range). The crossover points are adjustable from 50 Hz to 250 Hz.

Bass Boost: CH1/CH2 and CH3/CH4 have independent bass boost controls; both centered at 45 Hz, they are continuously variable from 0 dB (flat) to +12 dB.

Connections

Power Terminal Block: The amplifier has a power/ground terminal block that detaches from the amplifier, making it easier to connect the power and ground wires. Once the connections are made, the terminal block plugs into the amplifier. The power/ground block has set screw terminals and will accept 4 gauge wire.

Speaker Terminal Blocks: The speaker terminal blocks also detach from the amplifier. One speaker block has set screw terminals for two speakers and the remote turn-on lead, the other has set screw terminals for two speakers. All the terminals will accept 12-16 gauge wire.

Preamp Inputs: The amplifier has two pair of RCA jack inputs.

Preamp Outputs: There is also one pair of pass-through preamp outputs, making it easy to connect another amplifier without running an extra set of RCA cables.

Note: The preamp inputs and preamp outputs are extended 5" from the amp on pigtail wires.

Fuses: The amplifier is protected by two 25-amp ATO blade-type fuses.

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1 question already asked

I'm wanting to know can I run 2 8" rockford wake tower speakers steroids mode then bridge the rear channel for a sub wooker ... they want a question. Can front channel run stereo and rear channel bridged??????

william Mar 15, 2016

4 answers

Hi. I'm Matt an actual customer who just purchased a Wet Sounds HT-4. I haven't had time to install it in my boat so unfortunately I can't speak of the sound quality or power output. It does however look and feel like a quality unit tho.

matt Mar 15, 2016

Yes, you can use channel 3 and 4 bridged for your amp and 1 and 2 individually for tower speakers. You'll want to utilize all 4 input channels to get stereo vs mono sound. Just make sure the amplifier meets the power demand of the speakers you're looking for. I got the information for my set up from the user manual on the crutchfield product page.

matthew Mar 15, 2016

i am pretty sure this can be done each set of channels 1&2 and 3&4 have their own separate hi and low pass filters so just throw 1&2 on high for the tower and 3&4 on low and bridge then into the sub. Hope this helps

brian Mar 15, 2016

Yes, you can run the front channels in stereo and bridge the rear channels for a subwoofer.

r. brian Mar 15, 2016

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