Panasonic WX-ST400 Bodypack DECT Wireless Transmitter with Cardioid Lavalier Mic (1.9 GHz)

The Panasonic WX-ST400 is a wireless bodypack transmitter compatible with WX-SR receivers (available separately). Featuring a lightweight and rugged design built to withstand frequent use in classrooms, conference centers, and event spaces, it includes a lavalier microphone with an electret-condenser capsule, offering a cardioid polar pattern that minimizes background noise and feedback.

The compact WX-ST400 is comfortable for instructors and presenters to wear and provides between 6 and 8 hours of continuous use with a single AA battery. A power switch is provided, and the unit automatically syncs to a compatible receiver, making set up quick and easy. A smart touch is the 3.5mm line input jack that lets you plug in a wide variety of sources, including laptops and mobile devices, and transmit the source signal wirelessly to the receiver.

Features at a Glance

• Panasonic proprietary filtering to eliminate noise
• Clear and intelligible sound quality with a flat frequency response
• Cardioid polar pattern on lavalier microphone picks up less background sound
• Low and high input settings allow you to adjust transmitter input to compensate for mic placement
• Engineered to withstand the classroom environment
• Lightweight yet durable
• Runs for 6 to 8 hours on a single AA battery
• DECT wireless technology transmits in the 1.9 GHz range, far from cell phone and Wi-Fi interference
• Up to 131' operating range
• Pairs wirelessly with Panasonic's WX-SR202 or WX-SR204 receivers and assigns channels automatically, eliminating the need for manual channel assignment and making set up easy
• 3.5mm audio input connector on bodypack transmitter allows you to use the system to transmit audio from a local source such as a laptop or mobile device
• WX-SZ200 contactless desktop charger available separately