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WS-420 BT | Wet Sounds™ Marine Multi Zone 4-Band Parametric Equalizer w/ Integrated Bluetooth®

WS-420 BT
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  • 2-Year Limited Warranty

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WS-420BT Equalizer is a state of the art equalizer designed to provide amazing control and flexibility of your marine audio system. The WS-420BT is built off the award winning WS-420 platform that has set the world standard for marine audio system control. For the ultimate party experience, hook up the optional Wet Sounds A-Link kit, which allows you to share your audio wirelessly with other Wet Sounds equipped systems for multiple listening experiences!

  • - 3 Zone controller with 2 separate equalizers (tower zone and cabin zone)
  • - Master Volume
  • - Independent Bass Volume Control
  • - Integrated Bluetooth® Connectivity
  • - Master Input & Auxiliary Input
  • - Talk Back Microphone for PA communications over the tower speakers
  • - High Performance Japanese Operational Amplifiers typically used in recording studios electronics
  • - True Marine Build with conformal coated board

The WS-420BT is 3 Zone equalizer/controller with 2 separate equalizers and Built in Bluetooth® 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-420BT is the world’s only true marine audio zone controller/equalizer. The WS-420BT gives you ultimate control over your system.

The WS-420BT 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-420BT 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-420BT 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, main input or Bluetooth® 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 while the inside ring adjusts the frequencies for the in boat speakers. 

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-420BT 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.

Bass Equalizer Frequency:
100 Hz
Parametric Equalizer Range:
+ 12 dB
S/N Ratio:
80 dB REF 1V Input
Frequency Response:
10 Hz - 40 Khz, -3dB
Mid Bass Equalizer Frequency:
300 Hz
Mid Equalizer Frequency:
2 Khz
Input Impedance:
20 K Ohms
Maximum Output Voltage:
Stereo Separation:
80 dB/1 Khz
Faceplate Dimension:
0.100" L x 8.062" W x 1.650" H
Operational Voltage:
11 - 15V DC, Negative Gnd
Hi Equalizer Frequency:
15 Khz
Zone Control:
Built-In Bluetooth:
Chassis Dimension:
4.615" L x 6.9" W x 1.050" H
What Is Not Covered
This warranty does not cover fading or discoloration caused by exposure to sunlight or chemicals such as ammonia, household bleach, or any cleaning material that contains abrasive substances. (For information on how to prevent fading or discoloration, consult for recommendations on cleaning products) Wet Sounds, Inc. does not cover the cost for removal and reinstallation of any kind. Additionally, shipping TO Wet Sounds, Inc. is covered by the purchaser This warranty is void and inapplicable if Wet Sounds deems that the product was abused or misused; including but not limited to Speaker product that has been improperly-powered (under or over powered), causing thermal (burnt voice coil) and/or mechanical failure (torn surrounds or spiders), damage caused by accident, mishandling, improper installation, negligence, normal wear and tear, excessive water or heat damage, freight damage or products that have been altered in any way. Product owned by anyone other than the original purchaser from an authorized Wet Sounds dealer. (The warranty is not transferable and will not apply to products purchased from unauthorized dealers.) Wet Sounds is not responsible for any damages to a consumer's boat or person from a product failure. The warranty is void if Wet Sounds deems the product was installed or used improperly. Wet Sounds shall not be responsible for any incidental or consequential damages, except to the extent provided (or prohibited) by applicable law. This warranty gives you specific legal rights, and you may also have other rights which vary from state.

What Wet Sounds, Inc. Will Do
Wet Sounds, Inc will repair any part of your product that proves to be defective in materials or workmanship. In the event repair is not possible, Wet Sounds, Inc will replace the product in question. If it is deemed necessary Wet Sounds, Inc. will either replace the entire product with a refurbished unit or it will be replaced with a model that is similar in price if that model is no longer available. Labor cost and materials needed to complete this service will be at no charge to the purchaser. Additionally, the cost of shipping TO the consumer is also covered under this warranty.

How to Obtain Warranty Service
Contact Wet Sounds, Inc. either by phone at 877-938-7757 or by email at WARRANTY@WETSOUNDS.COM. A service representative will assist you in the necessary actions to verify that the problem that you are experiencing is covered under warranty. If it is in fact a warranty issue, Wet Sounds will issue an RA number for tracking purposes and give instructions on sending the product in for evaluation. Wet Sounds, Inc. How State Law Applies This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Internet Warning
Wet Sounds, Inc. products sold on any non authorized web site or internet auction site are void of any and all manufacturer's warranty. Please contact Wet Sounds at 877-938-7757 or visit our web site at WWW.WETSOUNDS.COM to search for an authorized site and/or an authorized retailer near you.