The WS-420SQ Equalizer is a state of the art equalizer designed to provide amazing control and flexibility of your marine audio system. The WS-420SQ is 3 Zone equalizer/controller with 2 separate equalizers in one half din chassis using our exclusive design which allows you to independently control the volume of tower speakers, in boat speakers and subwoofers all independently and have EQ adjustments of both in boat and tower speakers independently. The WS-420SQ is the world’s only true marine audio zone controller/equalizer.

The Wet Sounds talk back microphone allows the boat driver to communicate with the rider or other boats in the area. By pushing the button on the microphone, the system will automatically mute the music playing from the tower speakers and allow you to use your tower speakers as a PA system. Once the button is released, the tower speakers will begin to play again at the level they were at.

Additionally, the WS-420SQ includes Wet Sounds exclusive Boat Link™. Boat Link gives you the ability to link up with other WS 420SQ equipped boats using the Wet Sounds A-Link Kit (Sold Separately), for the ultimate party cove experience.

The WS-420SQ is 3 Zone equalizer/controller with 2 separate equalizers in one half din chassis using our exclusive design which allows you to independently control the volume of tower speakers, in boat speakers and subwoofers all independently and have EQ adjustments of both in boat and tower speakers independently. The WS-420SQ is the world’s only true marine audio zone controller/equalizer. The WS-420SQ gives you ultimate control over your system. The 

WS-420SQ allows you to have any combination you wish. In boat speakers and subwoofer playing with no tower speakers, tower speakers and subwoofer playing with no in boats, all speakers playing, max volume from the tower and subwoofer with half volume from the in boats and many other configurations. The WS-420SQ includes a talk back microphone for rider communication. The level of the talk back microphone is independent from your music level allowing you to adjust the volume for the PA function. The microphone feature only plays through the tower speakers. When the microphone is keyed up, the music is muted for announcements. After the key is released, the music will resume at previous level. The WS-420SQ has a large knob master volume control giving you quick control for the overall system. You are able to set the other zones to whichever volume level you desire and have one knob for quick overall volume adjustment. There are two separate 4 band equalizers. The outer ring makes adjustments for the tower speakers and inner knob makes adjustments for the in boat speakers.

1. Main Volume: This is the Master Volume that controls the overall volume of all zones.

2. In Boat and Tower Zone Volume: Adjusts the volume of the tower speakers (outside ring) and the volume of the in boat speakers (inside knob) You can set these levels to whichever volume you prefer and use the master volume for overall control.

3. Subwoofer Volume: Independent Subwoofer volume control.

4. Microphone: Independent Talk Back Microphone volume control.

5. Aux/Main Switch: Auxiliary input or main input selection switch.

6. Equalizer Adjustments: These 4 controls adjust the four separate frequencies (bass, mid bass, mid, high) Offering 12 dB of cut/boost. The outside ring adjusts the frequencies for the tower speakers (6a) while the inside ring adjusts the frequencies for the in boat speakers (6b). 

7. Auxiliary Input: 3.5 mm aux input jack for MP3 player or additional source.

8. Boat Link™ 3.5 mm aux output jack: For linking with other WS-420 equipped boats using the Wet Sounds A-Link Kit (Sold Separately)

9. Microphone Input: Microphone input for Wet Sounds talk back microphone.

10: Input Gain:

11. Main Input Sensitivity Gain adjustment.

12. Auxiliary Input Sensitivity Gain adjustment. NOTE: If you are not an experienced audio installer, it is recommend to leave these adjustments in the pre set factory position.

13: Illumination: WS-420SQ illumination comes pre set in blue illumination If you would like to change to red. Remove jumper and position to red.

14: Ground Isolation: Occasionally alternator whine may appear in your system if you source unit and amplifiers may have different grounds. You may use the isolation jumper to eliminate the noise. Please make sure unit is off when adjusting the jumper.