Motorola RSN4004 5W External Speaker for DM4000The Motorola RSN4004 5W External Speaker is a compact, high performance solution for clear radio communications in noisy environments. Designed for seamless integration with DM4000 series radios, this 5 watt speaker enhances audio clarity, making it ideal for busy work sites where reliable sound is essential. As a control station accessory, it supports effective communication with crisp, powerful audio.