Pricing and availability

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Average Price: $501

Standard/Professional

$299

$700+

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Price History

Based on price data from 4 merchants for "AKG WMS420 Wireless Headset Microphone System (Band A)". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Experience the freedom of movement and pristine sound quality with the AKG WMS420 Wireless Headset Microphone System (Band A). Perfect for performers, presenters, and instructors alike, this versatile system provides a seamless audio experience whether you’re on stage or in a studio. Featuring a cardioid condenser C555L headworn microphone, it ensures clear, feedback-rejecting sound, so you can focus on your performance without distractions.

The WMS420 system is designed for flexibility with its SR420 stationary receiver and PT420 beltpack transmitter, both equipped with detachable antennas. This allows for easy integration with professional RF accessories, making it suitable for both single and multichannel setups. The system operates within a 530-559 MHz frequency range, supporting up to eight simultaneous channels, ensuring interference-free performance even in crowded environments.

Ease of use is at the forefront with the PT420 transmitter, which includes charging contacts compatible with rechargeable batteries, offering substantial cost savings over time. A single AA battery can power the unit for up to eight hours, and a low-battery warning ensures you're never caught off guard mid-performance. The receiver’s front panel provides intuitive controls with a clear LCD display, simplifying frequency selection and volume adjustments.

Key Features:

  • Frequency range: Band A (530-559 MHz)
  • Cardioid condenser C555L headworn microphone
  • Supports up to 8 simultaneous systems
  • Detachable BNC antennas for professional RF accessory use
  • PT420 transmitter with charging contacts for rechargeable batteries
  • Up to 8 hours of operation on a single AA battery
  • Outputs: XLR (balanced) and 1/4" jack (unbalanced)
  • Low battery warning on transmitter
  • Silent on-mute-off switch for noiseless operation

Product specs

Application Presenter, Vocals
System Simultaneous Channels 8
System Analog/Digital Analog
System Frequency Range 530.025-559MHz
System Operating Range 98 ft. Line-of-sight
System Frequency Response 40Hz-20kHz
System Microphone Included Yes
Microphone Form Factor Headworn
Microphone Color Black
Microphone Type Condenser
Microphone Polar Pattern Cardioid
Microphone Max SPL 126dB SPL
Microphone Connector TA3F
Microphone Frequency Response 20Hz-20kHz
Microphone Cable Length 5 ft.
Transmitter Form Factor Bodypack
Transmitter Battery Type 1 x AA
Transmitter Battery Life 8 hours
Transmitter Dimensions 2.36" x 2.97" x 1.18"
Receiver Antenna Type Detachable
Receiver Signal/Noise Ratio 105dB (A-weighted)
Receiver Type Table Top
Receiver Rackmountable Yes (kit sold separately)
Receiver Rack Spaces 1U (half-rack)
Receiver Front Panel Display Yes
Receiver Outputs 1 x XLR, 1 x 1/4"
Receiver Dimensions 5.9" x 1.73" x 7.87"

FAQs

What is the operating range of the AKG WMS420 Wireless Headset Microphone System?

The AKG WMS420 Wireless Headset Microphone System offers an operating range of up to 98 feet line-of-sight, making it suitable for presentations and performances in medium-sized venues.

How many simultaneous channels can the AKG WMS420 support?

The AKG WMS420 can support up to 8 simultaneous channels, allowing for flexible multi-user setups without frequency interference.

What type of microphone is included with the AKG WMS420 system?

The AKG WMS420 includes a headworn condenser microphone with a cardioid polar pattern, designed for clear vocal capture while minimizing background noise.

How long does the battery last in the AKG WMS420 transmitter?

The bodypack transmitter of the AKG WMS420 operates for up to 8 hours on a single AA battery, providing reliable performance for extended sessions.

Is the AKG WMS420 receiver rackmountable?

Yes, the AKG WMS420 receiver is rackmountable, with a rackmount kit available separately, allowing for convenient integration into professional audio setups.

What are the output options on the AKG WMS420 receiver?

The receiver of the AKG WMS420 offers both XLR and 1/4" outputs, providing versatile connectivity options for various audio systems.

Reviews

PROS

  • Flawless performance over years with diverse use

  • Excellent vocal pickup and sound quality

  • Sturdy and comfortable headset design

  • Strong and crystal-clear signal without drops

  • Comparable performance to pricier brands like Shure and Sennheiser

  • Long range suitable for various venues

  • Extended performance time with Lithium batteries

  • Ideal for musicians needing hands-free operation

  • Affordable without compromising quality

CONS

  • Mic boom not designed for direct mouth positioning

  • Sensitive mic may pick up unwanted head movements

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about AKG WMS420 Wireless Headset Microphone System (Band A).

User experience

  • Some users experience handling noise when the mic is not mounted on a stand, but this can be mitigated with a noise gate and EQ.

    Source
  • In a karaoke setting, the WMS40 performs adequately, though it falls short of the Sennheiser EW100 in sound quality for more demanding applications.

    Source

Features and functionality

  • The WMS40 system relies on a fixed frequency, which can be limiting and cause setup headaches in crowded frequency environments.

    Source

Value and pricing

  • Uses only one AA battery, making it an economical choice for long-term use.

    Source

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