SKU: WMS-S4025INSAC Categories: ,


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AKG WMS40 Instrument AC

The AKG WMS40 Instrument AC is a dual wireless instrument microphone system for guitarists. Providing complete freedom to move around without worrying about the restrictions of cables, and operating on the US25 series A/C (537.500/539.300 MHz) frequency bands. The WMS40 series is known for delivering crystal clear sound and its easy use. Offering a true plug-and-play microphone solution with no channel settings or syncing required. It is the perfect wireless solution for small stages, clubs, places of worship, hotels, and gyms. The system is comprised of 2 bodypack transmitters (PT40 mini), 2 Instrument plugs, and a dual receiver (SR40 mini dual).

The WMS40 Mini system is a stand out for its extremely long battery life of 30 hours with a single alkaline AA battery which helps saving money in the long run.

  • Wireless microphone system
  • 2x Bodypack transmitter with Guitar instrument cable
  • Up to 30-hour playtime with one single AA battery
  • Plug and play operation
  • Gain control on each channel
  • Low battery indicator
  • The lightest handheld transmitter in its class

*Please Note: Only  1x wireless microphone per band can be used in the same area at the same time.


Microphone Type: Instrument, Bodypack

Operating Frequency: 537.500/539.300 MHz (US25 A & C Band)

Presets: 2, fixed channels

Frequency response: 30Hz to 20kHz

THD: 0.8%

Signal-to-noise ratio: 107 dB

Transmitter Output Power: 10mW

Transmission Range: ~20m (line of sight)

Power Requirements:

  • Receiver: Power Supply 12V DC (included)
  • Bodypack: 1x AA batteries

Operating time (batteries): approx. 30 hrs


  • Receiver: 133 x 132 x 42 mm
  • Transmitter: 60 x 74 x 30 mm


For more information, please visit the manufacturer's website.