AKG WMS420HEADSETBDA - UHF Headworn Band A Wireless System with Beltpack, Headset Microphone, and Receiver

AKG WMS420 Headworn Set Band A - UHF Wireless System with PT420 Bodypack, C555 L Headset Microphone, and SR420 Receiver

The AKG WMS420 Headworn Set Band A is a complete analog UHF wireless system for mobile vocal and speech. The set includes the SR420 half-rack receiver with detachable BNC antennas, the PT420 bodypack transmitter , and the C555 L headworn microphone (cardioid condenser). It operates in Band A (530.025–559.000 MHz) and allows up to 8 compatible channels within the same band. The SR420 offers balanced XLR and 1/4" jack outputs , antenna diversity switching, squelch , and RF/clip LEDs for immediate monitoring; the PT420 bodypack provides up to 8 hours of battery life on a single AA battery, gain control, silent on/mute/off switch, and charging contacts for use with an optional charger. The C555 L headset microphone adds stable cardioid pickup (80 Hz–20 kHz), a reversible left/right boom arm, and an included windscreen for clear, consistent vocals on stage, in education, fitness, or in presentations.

Main features

• Frequency band: Band A UHF 530.025–559.000 MHz (FM), up to 8 simultaneous channels per band.
• SR420 Receiver (1/2 rack): diversity by antenna switching , detachable BNC antennas , XLR and 6.3 mm jack outputs , squelch and RF/AF clip LEDs.
• PT420 transmitter (belt pack): up to 8 h with 1×AA, 3-pin mini XLR , adjustable gain, silent on/mute/off , charging contacts .
• C555 L Headset Microphone: Cardioid condenser, 80 Hz–20 kHz , typical S/N 63–72 dB, includes windscreen , reversible boom arm.
• System Audio: 40 Hz–20 kHz (typ.) bandwidth, fast and natural response for voice.
• Typical range: up to ≈30 m line of sight (expandable with external antennas).
• Professional integration: switchable mic/line level on jack output, 1/2 RU format for rack mounting.

Product benefits

• Focused and stable voice thanks to the C555 L's cardioid capsule and the SR420's diversity.
• Rapid deployment : easy tuning within 30 MHz, professional outputs and direct controls.
• Efficient operation : 8h with 1×AA and PT420 charging contacts reduce operating costs.
• Versatility : Lightweight headband with reversible boom; ideal for stages, conferences, fitness, and education.

Use cases

• Presentations, classrooms, and corporate AV with a moving speaker.
• Theater and worship where a discreet and stable microphone is sought.
• Fitness, dance and animation : secure headband and moisture/sweat resistance.

Frequently Asked Questions

• What exactly does the set include? SR420 receiver, PT420 beltpack, C555 L headset microphone, windscreen , two receiving antennas, a power adapter, and one AA battery.
• How many systems can I use at once? Up to 8 within the same band, depending on frequency planning and RF environment.
• Is it compatible with other AKG capsules? Yes, the PT420 supports AKG MicroMics with 3-pin mini XLR connectors (lavalier, headband, instruments).

Compatibility Notes

Check local spectrum regulations before commissioning. Band A (530–559 MHz) may have country restrictions. For multi-channel installation systems, AKG external antennas/distributors and RF planning are recommended.

Description for projects

AKG WMS420 Headworn Set Band A ( 530.025–559.000 MHz ) analog UHF wireless system with SR420 receiver (switching diversity, XLR and 1/4" jack outputs, RF/clip LEDs, 1/2 rack mount), PT420 bodypack ( mini XLR 3-pin , gain, on/mute/off , up to 8 h with 1×AA, charging contacts) and C555 L microphone (cardioid condenser, 80 Hz–20 kHz , S/N 63–72 dB, windscreen). System audio: 40 Hz–20 kHz . Typical range: ≈30 m LOS.