AKG WMS40MINSTRSETUS25C - UHF Instrument Band US 25 C 539.300 MHz Wireless System with Beltpack and Receiver

AKG WMS40MINSTRSETUS25C - Band US25C (539.300 MHz) UHF Instrument Wireless System with PT40 Mini Bodypack and SR40 Mini Receiver

The AKG WMS40MINSTRSETUS25C is the WMS40 Mini series wireless instrument set on the fixed US25C frequency (539.300 MHz) . Designed for guitar, bass and any instrument with a 1/4” output, it combines the SR40 Mini desktop receiver with the PT40 Mini bodypack transmitter and includes the AKG MKG L instrument cable (3-pin mini XLR ↔ 6.35 mm jack). Its plug & play design , AKG HDAP compansion technology and extraordinary battery life of up to 30 hours on a single AA battery make it a simple and reliable solution for rehearsals, small stages, houses of worship and schools. The audio link covers 40 Hz–20 kHz and the receiver offers a 6.35 mm TRS output jack with adjustable level and a nominal range of 30 m line-of-sight.

Main features

• Frequency: US25C 539.300 MHz (single fixed frequency, no scanning).
• Complete set: SR40 Mini receiver + PT40 Mini belt pack + AKG MKG L cable (3-pin mini XLR ↔ 6.35 mm jack) + power adapter.
• PT40 Mini Transmitter: mini XLR input (TA3) , gain control and On/Off/Mute switch; up to 30 h with 1×AA.
• SR40 Mini Receiver: 6.35 mm TRS jack output with panel volume control; LED status indicators (power, RF OK, clip).
• System Audio: Response 40 Hz–20 kHz , Typical SNR 110 dB(A) , THD ~0.8 % .
• Nominal range: up to 30 m (100 ft) line of sight.
• Technology: HDAP (High Definition Audio Performance) compression for clear and natural sound.
• Compatibility: The beltpack accepts AKG MicroMics microphones with a 3-pin mini XLR connector (lavaliers, headsets) in addition to the instrument cable.

Product benefits

• Plug and play in seconds: Fixed frequency and cable included to go wireless without complex menus.
• Very low operating costs: up to 30 hours with a single AA battery, reducing changes and waste.
• Consistent sound: HDAP compression maintains instrument dynamics with low distortion.
• Compact equipment: lightweight desktop receiver and small belt pack that stays out of the way on your instrument or belt.

Use cases

• Guitar and bass live or in rehearsal with freedom of movement.
• Instruments with a pickup (acoustic, violin, double bass, etc.) connected using the included cable.
• Educational centers, temples, and small rooms where simplicity and prolonged autonomy are sought.

Frequently Asked Questions

• What exactly does it include? SR40 Mini, PT40 Mini, MKG L cable , power adapter, and 1 AA battery.
• Is the receiver's output balanced? Yes, it's a 6.35 mm TRS jack with adjustable level.
• Can I use the beltpack with a lavalier or headband? Yes, as long as they're AKG microphones with a 3-pin mini XLR (MicroMics).
• Can I use this set in my country? US25C (539.3 MHz) is subject to spectrum regulation. Check local regulations/licenses before operating.

Description for projects

AKG WMS40MINSTRSETUS25C UHF wireless instrument system (fixed frequency US25C 539.300 MHz ). SR40 Mini receiver with 6.35 mm TRS jack output and level control; PT40 Mini transmitter with mini XLR (TA3) input, gain control and on/off/mute switch; response 40 Hz–20 kHz , SNR 110 dB(A) , THD ~0.8% , RF power approx. 10 mW , nominal range 30 m . Includes AKG MKG L cable and power supply.