Panasonic WX-ST400 Lavalier Microphone with Wireless Bodypack

Panasonic WX-ST400 Lavalier Microphone with Wireless Bodypack is a compact, presenter-friendly bodypack and lav kit built for Panasonic’s SR200P 1.9 GHz digital wireless system. The big win is voice clarity: a unidirectional electret condenser lav paired with Panasonic noise filtering and a flat, speech-ready response, so dialogue stays intelligible in classrooms, conference rooms, and auditoriums.

Highlights

• 1.9 GHz digital operation in the 1920–1930 MHz band for dependable wireless use
• Clear vocal capture with Panasonic noise filtering and a 100 Hz–15 kHz frequency response
• Wearable bodypack format that can sit in a pocket, clip to a belt, or live on a podium
• Local source input via the 3.5 mm external input jack for simple feed-through use
• AA-powered runtime up to about 8 hours depending on battery type

Quick Specs & Uses

• Wireless band: 1920–1930 MHz
• Antenna: Internal
• Mic type: Unidirectional electret condenser lavalier
• Frequency response: 100 Hz–15 kHz
• Mic input: 2.5 mm two-contact jack (Bias DC 2.5 V + GND)
• External input: 3.5 mm three-contact jack (monaural mixing)
• Battery: 1x AA (NiMH or alkaline)
• Runtime: Approx. 8 hours (NiMH, conditions dependent); approx. 6 hours noted with other Panasonic AA types
• Operating temperature: 41 to 95°F (5 to 35°C)
• Bodypack size: 2.36 x 3.81 x 0.78 in (60 x 97 x 20 mm)
• Weight: Bodypack 0.21 lb (95 g) including battery; mic 0.04 lb (20 g)

Why It Helps

If you’ve ever fought muddy dialog in a live room, this is the kind of mic pack that keeps the fundamentals under control. You get a speech-forward lav, reliable bodypack handling, and input options that make it easy to support common presentation setups without turning the audio chain into a science project.

System Characteristics

• Designed as part of Panasonic’s SR200P 1.9 GHz digital wireless microphone system, and described as pairing with a Panasonic receiver that auto-assigns channels.
• Built to scale in larger installs, with notes describing support for up to 8 separate antennas per receiver and antenna runs back to the receiver via CAT5.
• Integration is described as straightforward with third-party control ecosystems such as Crestron and Extron.
• External input on 3.5 mm can be used to send audio from a local device (for example, a laptop) through the bodypack.
• A desktop charger is referenced as sold separately, so plan charging strategy up front if you are standardizing on rechargeable AAs.

What’s In The Box

• 1 x Panasonic WX-ST400 Bodypack Lavalier Wireless Microphone 
• 1 x Microphone Clip
• 1 x Microphone Holder
• 1 x Windscreen

Trusted Seller

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