A cox box is an electronic device used in competitive rowing that combines a digital stroke rate monitor and elapsed time readout with a voice amplifier. Although the term "cox box" is commonly used as a generic descriptor of this type of device, the name 'Cox-Box' is a registered trademark of Nielsen Kellerman, one of the several companies that manufacture this type of unit others include Australia's Coxmate.
Cox box is the commonly used name for all the coxing amplifiers. Other brand names include CoxVox, MiniAmp, CoxAmpPro, Coxmate SRT+, Coxmate SX. All deliver amplification of the coxswain's voice using a microphone and series of wired loudspeakers.
Read more about Cox Box: Use, History, Strokes Per Minute (SPM) or Rating
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