Check the listing for details. Whistler WES-350 External Speaker – Enhanced Audio for Scanners & Radios​. Color: Black, Condition: New. Listed at 14.99 USD. Enhance your scanning and radio experience with the Whistler WES-350 External Speaker. Designed to offer versatile audio inputs via 3.5mm jack, banana jack, and HDMI, this speaker easily connects to a wide range of devices. Its compact design and durable metal construction make it an ideal addition for both professional and home use. The WES-350 model, in sleek black, boasts a cube shape that fits seamlessly into any environment. The speaker comes from the trusted brand Whistler and ensures clear audio output through its wired connectivity. Moreover, it features a convenient mounting option and a metal grill for added protection, making it a feature-rich choice for audio enthusiasts and communication professionals alike.