SONR Swim Coach Communicator Waterproof, Bone-Conduction Headset + Transmitter Real-Time Underwater Coaching
Revolutionize swim training with the SONR Swim Coach Communicator Basic Set. A sleek, waterproof communication system designed for seamless, real-time feedback underwater.
Stay heard, not hoarse: Coaches speak into the transmitter; swimmers hear clear instructions even beneath the surface without needing to shout
Bone-conduction tech: Delivers sound directly through bone, bypassing eardrums, so swimmers stay aware of their surroundings while listening underwater
Built-in metronome: Helps swimmers keep pace and rhythm with precision, beating conventional swim training aids
Exceptional range: Communicate up to 300 m (approx. 984 ft) in open water and 50 m (approx. 164 ft) in a pool with clarity up to 1 m depth
Coach multiple swimmers: Up to 6 channels let one coach address many athletes at once, or split them into groups. Supports multiple coaches too
Designed for comfort: Compact and lightweight, it's worn easily under caps or on goggle straps, minimal drag, maximum comfort
Complete set: Includes SONR receiver, radio transmitter, chargers, and goggle clip, everything needed to get started
Great for coaches & athletes: Ideal for competitive training, stroke correction, group sessions, and shaped for swimmers of all ages
Buy and sell with athletes everywhere.
Join more than 1 million athletes buying and selling on SidelineSwap. Save up to 70% on quality new and used gear, sold by athletes just like you.
Shop safely with our buyer guarantee.
Every purchase is protected by our buyer guarantee. If you don’t receive your item as advertised, we’ll provide a full refund.
Quick shipping and tracking.
Most orders ship via USPS Priority Mail (1-3 business days once the item is shipped by the seller). We provide sellers with a prepaid shipping label, and buyers receive tracking notifications until the item arrives at your doorstep.
Save money. Save the planet.
When you save big on high-quality used gear, you’re also keeping more gear on the field and out of a landfill.
Our community is built on trust.
Sellers receive feedback on every transaction, so you can feel confident before you purchase. Easily message the seller with questions about your item at any time.