SONAR 2 PRO with MP3 & PLAYLIST+
The H2O Audio - SONAR 2 PRO builds on our award-winning underwater headphone design to make every swim smoother, lighter, and more connected. Now 40% smaller and thinner for a sleek fit, it combines bone conduction technology with an IPX8 waterproof rating to deliver clear, powerful sound underwater. With PLAYLIST+ (store up to 8GB of music without a phone), intuitive controls, all-day comfort, and a slim removable goggle clip, the SONAR 2 PRO is made for swimmers who want performance without compromise.
H2O AUDIO PRO APP: With the new H2O Audio PRO app, you can manage all your music, update your software, create folders, add songs to your Playlist+ and more. The app is free and available for both Apple and Android.
SWIM OPTIMIZED: H2O Audio's bone conduction technology delivers clear sound under water - HASSLE-FREE. The speaker attaches to your swim goggles and deliver constant fail-safe sound.
Open Ear Experience: SONAR 2 PRO uses bone conduction speakers use enhanced speakers that provide an amazing sound in and out of water - with full situational awareness.
MP3 PLAYER BUILT-IN: The SONAR 2 PRO headphones are equipped with a built-in MP3 player with 8GB of memory which can hold thousands of songs. Easily connect with MAC or PC and download your favorite music or podcasts. SONAR supports Apple iTunes music format (.m4a) and MP3. Simply copy/paste or drag & drop any music from your computer onto the SONAR 2 PRO and enjoy your swim.
Bluetooth: Connect your computer, iPhone, Android, or any music-enabled smartwatch — and enjoy swimming with streaming music.
Note Bluetooth range underwater is limited to just a few inches — fine if your device is very close. For uninterrupted swimming, use the PLAYLIST+ feature to store and play music directly from the SONAR 2 PRO.
EASY TO USE: The SONAR 2 PRO small and slim design makes it seamless for your swim. It is easy to use with big buttons that have extra raised markings.
BLUETOOTH with SMART WATCH: SONAR 2 PRO can receive music from your smart watch over a wireless Bluetooth connection. Just pair your smartwatch (Apple Watch, Fitbit, Garmin Samsung, etc.) with the SONAR 2 PRO and attach the watch on your swim goggles.
*NOTE: SONAR 2 PRO Bluetooth range under water is about 4". Smart watch MUST be attached to your goggles (not on your wrist) for Bluetooth to function properly. Wireless range on air is 30ft/10m. AVAILABLE - Apple Watch Clip for SONAR.
100% WATERPROOF: H2O Audio Waterproof technology ensure that SONAR 2 PRO performs when submerged to 12ft (3m). Waterproof Rating: IPX8.
LONG BATTERY LIFE: 10 hours of play time and memory capacity of over 2,000 songs (8GB). Download all your favorite music and the laps will fly by.
What’s in the Box
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SONAR 2 PRO Headset
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Protective Case
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USB Charging Cable
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Solid Blue Earplugs
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User Guide
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SONAR 2 PRO with MP3 & PLAYLIST+
SONAR 2 PRO
Swimming doesn't have to be a drag
Enhanced Sound Easy Controls
Upgraded audio delivers clearer, more powerful sound, with added buttons that make playback and volume adjustments simple while you swim.
Removable Clip Perfect Fit
The slim metal goggle clip secures comfortably to your goggles or under a swim cap, so your headphones stay in place lap after lap.
40% Smaller Slimmer Design
Streamlined for speed, the SONAR 2 PRO is lighter and thinner to reduce drag and keep you moving effortlessly through the water.
PERFORMANCE-DRIVEN INNOVATION
Enhanced Bone Conduction Sound
Experience clearer, more powerful audio through advanced bone conduction technology. Enjoy your music and podcasts with improved clarity even underwater.
Long-Lasting Battery Life
Train longer with a powerful battery that delivers up to 10 hours of continuous play. Fast-charging gets you back in the water in as little as 1–2 hours.
PLAYLIST+ Music Storage
Store your favorite music, podcasts, and audiobooks directly with PLAYLIST+. With 8GB of memory and dual-mode playback, you can listen without your phone.
Experience the next level of underwater audio with H2O Audio’s SONAR 2 PRO. Its enhanced bone conduction technology, slimmer design, and improved sound clarity deliver uncompromising performance for athletes who train in the water.
With an IPX8 waterproof rating, SONAR 2 PRO is built for swimming — offering streamlined comfort, intuitive controls, and uninterrupted music. Minimize drag, maximize sound, and power every swim with advanced headphones designed for performance.
Tech Specs
Superior Sound
Superior Sound – With years of bone conduction engineering and proprietary acoustics, the SONAR 2 PRO delivers enhanced audio clarity and amplified bass designed specifically for swimming. Engineered for immersive sound underwater, it lets you enjoy your music and podcasts with clarity that goes BEYOND expectations.
Waterproof
Superior Waterproof Rating– Dive into the BEYOND with SONAR 2 PRO, boasting an advanced IPX8 Waterproof rating. Engineered to withstand submersion up to 12ft/3.6m for an unlimited time, these headphones are perfect for all your water adventures, ensuring your music never stops, no matter where your journey takes you.
Playlist+
PLAYLIST+ – is like your old-school tape recorder and mixtapes. It lets you load/record audio from the Bluetooth connection and store it into the memory of the headphones to be played later. Using PLAYLIST+ is easy. With just a double click on the + button of the headphones, your Bluetooth audio that’s playing will be stored for your enjoyment later on. Up to 8 GB of music!
Bluetooth
Advanced Bluetooth Connectivity– Experience ultimate freedom with SONAR 2 PRO, featuring Bluetooth v5.3 and a waterproof mic. Enjoy seamless connectivity and crystal-clear communication, even in the harshest environments. Stay connected and amplify your adventures without the hassle of cords.
MP3 Player
MP3 Player with Ample Storage Capacity – Never miss a beat with SONAR 2 PRO. Featuring a built-in MP3 player with 8 GB of storage, you can carry up to 2,000 songs or 130 hours of music in any format. Your entire playlist is ready to go wherever your adventures take you.
Battery
Enhanced Battery Life – Keep the music going with SONAR 2 PRO, designed to support your longest adventures. Enjoy up to 9 hours of Bluetooth playtime and 6 hours in memory mode, ensuring your favorite tunes accompany you through every run, ride, gym session, or water excursion. Go beyond with lasting power and uninterrupted sound.
Improved Design
Improved Design – Streamlined for performance in the water, the SONAR 2 PRO is smaller and thinner to reduce drag and stay secure while you swim. The slim profile fits comfortably under a swim cap or goggles, ensuring effortless movement lap after lap without compromise.
Included in the Box
Headset
USB Cable
User Guide
Protective Case
Swim Earplugs
H2O Audio PRO App
What are Bone Conduction Headphones?
It will change the way you think about audio.
Traditional headphones create sound waves that travel through the air and enter your ears, where your eardrums pick up the vibrations.
Bone Conduction is different - it sends vibrations into your skull bones, bypassing your eardrum, and transmits them directly to your inner ear, where the brain interprets them as sound.
