Search results for 'volume control'
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AmpliVox SW632 Deluxe Wireless Half-Mile Hailer Kit with Headset and Lapel Microphone
The AmpliVox SW632 features simple straight forward controls, and lightweight design to make it the most practical and portable outdoor speaker sound system on the market.
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AmpliVox SW640 Wireless Half-Mile Hailer Kit with Headset and Lapel Microphone
The AmpliVox Half-Mile Hailer is great for use in high noise areas and large open spaces. It is ideal for uses such as emergency response, athletic events, crowd control, and large public gatherings.