AKG WMS-40 MINI Vocal Set US25C - Wireless kit
The AKG WMS-40 MINI Vocal Set US25C is a compact wireless microphone system for singers and presenters. Operating on **539.300 MHz**, it delivers up to **30 hours of battery life** on a single AA battery. With the SR40 MINI receiver featuring a balanced 1/4" jack and the HT40 MINI handheld transmitter with On/Mute/Off switch, this plug-and-play system ensures clear audio and effortless setup. Perfect for conferences, small stages, schools, and home use.
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AKG WMS-40 MINI Vocal Set US25C – Compact Wireless Microphone System
The AKG WMS-40 MINI Vocal Set US25C is a reliable and easy-to-use wireless microphone system designed for singers, speakers, and presenters. With true “plug & play” operation, it is ready to perform instantly without complex frequency setups. Ideal for small stages, conferences, schools, and home studios, this system combines portability with professional sound quality.
Main Features
- Operates on fixed frequency **US25C (539.300 MHz)** – no manual tuning required
- Up to **30 hours of continuous operation** on a single AA battery
- Low distortion (THD 0.8%) and high signal-to-noise ratio (110 dB) for clean audio
- SR40 MINI receiver with balanced 1/4" (6.3 mm) jack output and volume control
- HT40 MINI handheld transmitter with On/Mute/Off switch and battery status indicator
- Lightweight and compact: receiver 133 × 43 × 132 mm (581 g), transmitter 230 × 52.5 mm (195 g)
What’s Included
- SR40 MINI receiver
- HT40 MINI handheld transmitter
- Universal power supply (110–240 V AC, with adapters for different regions)
Why Choose This System?
The WMS-40 MINI stands out for its simplicity and reliability. Just power on the devices and start performing—no synchronization or frequency adjustments needed. Its exceptionally long battery life makes it perfect for live situations where dependability is key. Compact design and durable build ensure easy transport and consistent performance.
Technical Specifications
Parameter | SR40 MINI Receiver | HT40 MINI Transmitter |
---|---|---|
Frequency Response | 40 Hz – 20 kHz | 40 Hz – 20 kHz |
THD | 0.8% | |
SNR | 110 dB | |
Output Power | – | 10 mW ERP |
Power Supply | 110–240 V AC | 1 × AA battery |
Operating Time | – | up to 30 hours |
Dimensions | 133 × 43 × 132 mm | 230 × 52.5 mm |
Weight | 581 g | 195 g |
Output | Balanced 1/4" jack | – |
Applications
- Small to medium-sized stages and live performances
- Conferences, lectures, and corporate events
- Schools and educational settings
- Karaoke and home studios
The AKG WMS-40 MINI Vocal Set US25C combines professional sound, ease of use, and robust design. A practical, affordable, and compact wireless solution for performers, presenters, and educators.
Product delivery details AKG WMS-40 MINI Vocal Set US25C - Wireless kit
Shipment from Warsaw, Poland.
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AKG WMS-40 MINI Vocal Set US25C - Wireless kit - Frequently asked questions.
FAQ – Frequently Asked Questions
- What frequency does the system use?
- The US25C version operates at 539.300 MHz.
- How long does the battery last?
- Up to 30 hours with one AA battery (2200 mAh).
- What is the total harmonic distortion (THD)?
- The THD is approximately 0.8%.
- What is the signal-to-noise ratio?
- The system delivers an SNR of 110 dB for clear sound.
- What output connection does the receiver have?
- The SR40 MINI receiver has a balanced 1/4" (6.3 mm) jack with volume control.
- Which transmitter is included?
- The HT40 MINI handheld transmitter with a dynamic capsule and On/Mute/Off switch.
- Do I need to set frequencies?
- No, the system is plug & play and comes preconfigured.
- What are the main use cases?
- Live vocals, conferences, schools, karaoke, and home studio setups.
About manufacturer AKG

AKG to wiedeńska firma założona przez dr Rudolfa Goerike i Ernestaa Pless. Już w ciągu kilku miesięcy od powstania spółki zaczęto korzystać z ich mikrofonów. Dzięki swojemu innowacyjnemu podejściu marka jako pierwsza wypuściła na rynek wiele różnych produktów takich jak np. zdalnie sterowany matrycowy mikrofon, ,,zintegrowane otwarte'' słuchawki czy zawieszenie sektorowe. Ze sprzętu AKG korzystają tacy muzycy jak np. The Rolling Stones, Stevie Wonder czy Kayne West.
Company
- Manufacturer's headquarters: United States
- Average product rating: 4.8
Products
- Product count: 293
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