Ultraflex Group

aquatic stereos

GP1 - Waterproof gauge size stereo Stereos AQUATIC AV® - Waterproof marine systems

GP1 - Waterproof gauge size stereo

Bluetooth Audio: Easily stream your favorite tunes from your smartphone with Bluetooth Audio support. View track info including a song’s name, artist, and album information right on the display.

288W Amplifier: Keep your system going with a 288W amplifier that powers up to 8 speakers or a combination of speakers and subwoofers.

Multi-Environment Protection: Install anywhere with waterproof (rated IP65), UV, and salt/fog resistant protection enabling reliable performance in the toughest environmental conditions.

DSP EQ: Allows common EQ settings to be applied to enhance music content, such as Pop, Classical and Rock or manually adjust bass and treble for a tailored sonic experience.

Variable Brightness: Adjust the display brightness from 100% for normal operation to 30% brightness to reduce screen glare during night time operation.

Standard Gauge Size: Our smallest stereo yet, designed to sit alongside standard dash gauges, but still packing a serious Aquatic AV feature set.

USB: Play USB thumb drives with supported audio media and charge USB devices such as smartphones with USB charging.

AM/FM Radio: Listen to your favorite AM and FM radio stations. Save your favorite stations with 18 FM and 12 AM presets available. Compatible with both US and European frequencies.

AUX: Connect devices via stereo RCA cable with input gain of 2V for high performance with all devices.

2 Year Warranty: the GP1 stereo comes with a two year warranty.


Model GP1
Supported media Bluetooth, USB, MP3, AM/FM, AUX
Device control via rear USB cable (2.1A)
Display Monochrome TFT with blue backlight
Inputs Bluetooth, 1x USB, 1x stereo pair RCA
Outputs 1x stereo pair RCA Pre-out (2V)
AM/FM tuner

18x FM pre-set and 12x AM pre-set memory.

US/Euro frequencies

Power (max) 4x 45W (4Ohms), 4x 72W (2 Ohms)
Amplifier type Class A/B (2 Ohm stable)
Output voltage 10.5V - 14.4V DC
Current draw 7A (max) / <3mA (standby)
Waterproof Yes - IP65
UV protection 500hrs stable, ASTM D4329 compliant
Salt/fog protection 500hrs stable, ASTM B117 compliant
Certifications CE, RoHS, WEE, FCC
Additional features Clock display, stainless steel mounting hardware

Part No. Model Description
23889K GP1 GP1 - Waterproof gauge size stereo