AKG WMS420 Vocal Set Pro Wireless Microphone AKG WMS420 Vocal Set Pro Wireless Microphone - Open Box

AKG WMS420 Vocal Set Pro Wireless Microphone
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For Live Sound, Presentations and Installations

WMS420 is a professional multi-channel wireless microphone system with pilot tone transmission to prevent unwanted noise. The Vocal Set includes a HT420 handheld transmitter featuring a patented state-of-the-art D5 dynamic capsule for well-balanced, powerful sound. The space diversity receiver offers both a microphone level and a line level output.

The WMS420 Vocal Set D5 package includes:

  • 1 x Handheld transmitter HT420
  • 1 x Stationary receiver SR420
  • 2 x Receiver antennas
  • 1 x AC adapter
  • 1 x Stand adapter
  • 1 x AA size battery

SR420 Professional Wireless Stationary Receiver


for Live Sound, Presentations and Installations

The SR420 analog high-performance space diversity wireless receiver provides maximum ease of use with different channel presets up to eight channels. It is perfect for instrumental and vocal performances in small clubs as well as for use in houses of worship and in conference rooms.

The SR420 provides an audio clipping and RF signal LED for easy monitoring of systems status. Best audio signal output is provided via both a professional XLR and a 1/4" jack connector. For worldwide use, the receiver comes with a universal, switched mode power supply kit.

The SR420 comes with two external and detachable antennas on the rear side and BNC connectors at standard 50ohms.

Detachable receiver antennas
Enable the use of professional RF accessories

Up to 30MHz selection bandwidth
Allows the use of up to 8 channels simultaneously

Professional balanced XLR and unbalanced " jack output
For the best audio signal

Audio clip and RF control LED on receiver
For easy monitoring of your performance

Adjustable squelch level
For secure audio transmission in all environments


Tuning Range Up to 30 MHz (depending on frequency band)
Frequency Bands A: 530,025 to 559,000 MHz
U1: 606,100 to 613,900 MHz
U2: 614,100 to 629,900 MHz
B1: 748,100 to 751,900 MHz
B2: 774,100 to 777,900 MHz
M: 826,300 to 831,000 MHz
D: 863,100 to 864,900 MHz
K: 925,100 to 931,850 MHz
Diversity System Antenna switching
RF Output 10, 20 or 50 mW (depending on frequency band)
Audio Bandwidth 40 20 000 Hz (+/- 3dB)
Frequency Selection Fixed frequency
Wireless channels within device Up to 8 compatible channels within one frequency band
Radio Range (Line of Sight) 30m
Modulation FM
Detachable Antenna yes
Racksize 1/2 Racksize (19")
Length 150 mm , 5.9"
Height 44 mm , 1.73"
Width 200 mm , 7.87"


HT420 Professional Wireless Stationary Receiver


for Live Sound, Presentations and Installations

The HT420 analog high-performance wireless handheld transmitter features a dynamic microphone capsule for demanding vocal performances. The cardioid polar pattern ensures maximum gain before feedback and lets your voice cut through any mix. Its spring-steel wire-mesh front grille protects the transducer from the hardships of on-stage use.

The HT420 provides a gain control for perfect adjustment of the input volume and a noiseless on/off/mute switch. A battery status indicator shows red before the battery goes dead, allowing the user to fully control his performance time.

Patented state-of-the-art D5 dynamic capsule
Cuts through the mix

Integrated charging contacts (Optional Accessory: CU400)
Saves money in day-to-day use and preserves the environment

Six to eight hours with a single AA battery
Long operation time and a low battery indicator guarantee a secure operation

Noiseless on/off/mute switch
For easy operation

Gain control on transmitter
For immediate volume adjustment


Audio Frequency bandwidth 70 to 20,000 Hz
Signal to Noise 105 dB-A dB-A
THD at 1 kHz 0.8% Prozent
Microphone head versions D5
Transmitter Synchronization Manual
Battery 1
Batterietype LR6 AA alkaline battery
Number of Batteries 1
Operating Time Up to eight hours with one AA battery h
Battery 2
Batterietype HR 6 AA (NiHM) rechargeable battery
Number of Batteries 1
Operating Time Up to eight hours with one AA battery h
Dimensions / Weight
Length 237 mm , 9.3"
Height 51 mm , 2"
Net Weight 214 g , 0.47 lbs
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