AKG WMS420 Headworn Set Band A - Wireless Microphone System with C520 L Condenser Headworn Mic, PT420 Bodypack Transmitter, SR420 Diversity Receiver

With a signal-to-noise ratio of 105 dB, the AKG WMS420 Headworn Set Band A delivers pristine wireless audio for presenters and performers. This complete system includes the PT420 body-pack transmitter, C520 L headworn condenser microphone, and SR420 diversity receiver, all operating in the 530.025 - 559.000 MHz frequency range.

Overview

The WMS420 Headworn Set is a professional wireless microphone system designed for live sound, theater, houses of worship, and corporate presentations. The system provides reliable RF performance with up to 8 simultaneous channels (region dependent) and a line-of-sight range of up to 30 meters. The SR420 receiver features true diversity reception to minimize dropouts, with both balanced XLR and unbalanced 1/4" outputs for flexible connectivity.

What stands out

• Exceptional audio quality with 105 dB signal-to-noise ratio and <0.8% THD
• Ultra-lightweight C520 L headworn microphone with cardioid polar pattern for excellent feedback rejection
• PT420 body-pack transmitter with 10 mW RF output and up to 8 hours battery life from a single AA battery
• SR420 diversity receiver with detachable BNC antennas and optional rack mount capability
• Wide frequency response from 35 Hz to 20 kHz for natural vocal reproduction

Technical details

• System Type: Wireless Microphone System
• Frequency Band: Band A (530.025 - 559.000 MHz)
• Modulation: FM
• Frequency Response: 35 Hz - 20 kHz
• THD: < 0.8% (at 1 kHz)
• Signal-to-Noise Ratio: 105 dB (A-weighted)
• Transmitter: PT420 Body-pack, RF Output Power: 10 mW, Battery: 1x AA, Battery Life: up to 8 hours
• Microphone: C520 L Headworn Condenser, Polar Pattern: Cardioid
• Receiver: SR420 Diversity, Outputs: XLR and 1/4" Jack, Antennas: Detachable BNC
• Operating Range: Up to 30m (line of sight)
• Rack Mountable: Yes (with optional kit)
• Power Supply (Receiver): 12 V DC / 500 mA

Our verdict

The AKG WMS420 Headworn Set offers exceptional clarity and reliability in a lightweight, easy-to-use package—ideal for anyone who needs hands-free wireless audio without compromise.