GP1 Gauge Stereo (RA611)

Support Resources for the GP1 Gauge Stereo

Written by Aquatic AV
Updated over a week ago

What Are You Looking For?


The GP1 Marine Stereo is compact and designed to fit perfectly into a standard dash gauge space for a sleek look and convenient access. Despite being one of our smallest stereos, the GP1 packs a serious punch with a 288 Watt amplifier that can power up to 8 speakers/subwoofers at once with Bluetoooth/USB/MP3/AUX input capabilities in addition to AM/FM radio. The GP1 Stereo is a great choice for anyone seeking high-end audio quality and seamless installation where water, chemicals, or other environmental hazards may pose a risk to traditional audio equipment.


  • Bluetooth / MP3 / USB / AUX Stream music from your favorite device with support for Bluetooth Audio, MP3, USB, and AUX input.

  • AM/FM Radio Enjoy AM/FM listening wherever you go and save your favorite stations with 18 FM and 12 AM presets available. Compatible with both US and European frequencies.

  • 288 Watt Amplifier Power up to 8 speakers or a combination of speakers and subwoofers thanks to a powerful 288W amplifier. Class A/B amplifier, 2 Ohm stable.

  • Standard Gauge Size The GP1 Marine Stereo is our smallest stereo yet, designed to fit seamlessly into a standard dash gauge space.

  • Monochrome Display An optically bonded, tempered glass screen allows users to view track information on a monochrome LCD display.

  • Multi-Environment Protection This device is fully waterproof (rated IP65) and UV/salt/fog resistant to ensure reliable performance even in the toughest conditions.

  • Variable Brightness Display brightness varies from 100% in normal operation to 30% in dim lighting for optimum viewing day or night, rain or shine.

  • 2 Year Warranty This product comes with a two year warranty that can be extended with product registration online or via the Aquatic AV App.

What's in the Box?

• GP1 Gauge Size Waterproof Stereo

• User/Installation Manual

• 12-pin Wiring Harness (AQ-UNH-2)

• Mounting Bracket

• Two (2) Stainless Steel screws

• Two (2) Stainless Steel nuts

Environment Install Instruction

  • Install on boat (with ignition): yellow wire (+12 V DC), red wire (switch), black wire (ground).

  • Install on spa / home (no ignition): join the yellow and red wire together like "Y" and put it in +12 V DC. Black wire (ground).

  • Dimensions for the mounting hole: Ø 92mm

  • Power supply, if needed, must be 12 V DC and 5 A. Available for purchase from Aquatic AV.

Frequently Asked Questions

Q1 How long is the warranty?

Warranty covers only the original purchaser of an Aquatic AV product purchased from an authorized Aquatic AV dealer. The length of warranty is 2 years starting from the purchase date on audio systems, electronics, speakers, and accessories (receipt required).

Q2 Does it have built in amplifier?

Yes, it does. The built-in amplifier is 288 Watt.

Q3 What is the display color?

The display is monochrome with a blue backlight.

Q4 Is the GP1 Gauge Stereo compatible with my old unit?

If your old unit has a 12-pin plug-in harness it should be compatible. If the model you have is 1, 2, 3, or 4 generation, the cables' color will be the same, but the position of the pins on the harness will be different. For example, the ground wire (black wire) used to be on pin 10, but is now on pin 12.

Q6 What is the diagram of the 12-pin plug-in?

Q6 Can I listen to music from the USB?

Yes, you can. To listen to music from a USB, connect your USB thumb drive to the female USB connector. If your device is readable, the USB source mode should select automatically and compatible audio content will begin to play.

Q7 Can I charge my phone?

When USB devices such as smartphones or MP3 players are connected with a standard male-to-female USB cable, the device’s battery should begin to charge automatically. The USB connection delivers a 2.1A current for charging.





Standard Gauge Size Marine Stereo

Supported Media:

Bluetooth Audio / USB / MP3 / AM/FM / AUX

Device Charging:

via rear USB cable (2.1A)


Monochrome TFT with blue backlight

Display Brightness:

Variable – 100% or 30% settings


Bluetooth, 1x USB, 1x stereo pair RCA


1x stereo pair RCA (2V)

AM/FM Tuner:

18x FM & 12x AM Pre-set memory, switchable US/Euro frequencies

Amplifier Type:

Class A/B (2 Ohm stable)

Power (max):

4x 45W (4 Ohms) / 4x 72W (2 Ohms)

Operation Voltage:

10.5V – 14.4V DC

Current Draw:

7A (max) / <3mA (standby)


Yes – IP65

Conformal PCB Coating:




UV Protection:

500hrs stable

Salt/Fog Protection:

500hrs stable

Additional Features:

Clock display

Stainless Steel mounting hardware


Owner's Manual

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