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Rowing | Coxing | Coaching

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NK Loudspeaker 2

Designed to offer reliable, clear, consistent sound throughout the boat, NK’s New Loudspeaker 2 sets a new standard for rugged marine audio systems. Works with all previous CoxBox and wiring systems.

Audio System Maintenance Kit

This small kit, packed in a waterproof bag, contains all the tools you need to take care of your CoxBox and microphone! This kit is a must-have for every boathouse.The small investment in this kit will offer big returns in the condition of your equipment.

NK EmPower Oarlock

Get simple technical feedback while you row with the EmPower Oarlock system. Install in minutes with no special tools, and see information about your length, engagement and power right on your SpeedCoach Model 2 with Training Pack.

Coxbox Mini

Rowing’s original waterproof timer-amplifier now has a little sibling with overmolded connectors for protection from wear and brightly colored rubber bumpers for durability and easy identification in the boathouse and at team events. Ideal for use with the SpeedCoach GPS 2 for instantaneous stroke rate and split. 

Batteries, chargers & charger bundles

Limit wear and tear on your CoxBox connectors by removing the battery and charging it separately. Take the extra battery in the boat with you on long race days or just as a spare. Also compatible with Blue Ocean Megaphone.


Interval 2000 Split/Rate Watch

Determine any crew's stroke rate by pressing a button in time with their catch. Time multiple boats with intuitive chronometer buttons and display. Ergonomic design and simple three-button arrangement make the Interval 2000 easy to use with one hand, leaving the other hand free to steer a launch or bike, or hold a megaphone.

Wiring Components

All the wiring components you need to set up your speakers, coxbox or speedcoach in any boat from a single to an eight, and everything in-between


Water-resistant construction and sturdy padding throughout will keep all your gear protected, and a padded shoulder strap lets you load the bag up and still carry everything hands free.

Heart-rate belts

Wirelessly transmits heart rate data via Bluetooth Low EnergyCompatible with LiNK - NK's connected environment of apps, web analytics and sensors. Pairs with SpeedCoach.

NK Impeller

Keep an accurate track of your speed. Compatible with the NK SpeedCoach GPS, & OC Model 2 Impeller w/hull mount-includes mounting tape

Microphone with Headband

Rubber Connector R2 style microphone with headband designed for use with the new CoxBox control unit. Comfortable and form fitted.


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