AKG WMS420VOCALSETBDA - UHF Vocal Band A Wireless System with Microphone and Receiver

AKG WMS420VOCALSETBDA - UHF Vocal Band A Wireless System with D5 Microphone and SR420 Receiver

The AKG WMS420VOCALSETBDA is the UHF A-Band (530.025–559.000 MHz) vocal set that combines the HT420 handheld transmitter with a D5 dynamic (supercardioid) capsule and the SR420 desktop receiver with antenna switching diversity and detachable BNC antennas. Designed for professional live use, installations and corporate events, it offers up to 8 compatible channels within a 30 MHz tuning width, easy fixed frequency switching, and balanced XLR and unbalanced 1/4" jack outputs. The HT420 features built-in charging contacts for use with the optional CU400 charger and provides up to 6–8 hours of battery life on a single AA battery, plus a silent On/Mute/Off switch.

Main features

• Vocal Set in Band A (530.025–559.000 MHz) with 8 predefined frequencies per band.
• HT420 handheld microphone with supercardioid dynamic D5 capsule for maximum gain before feedback and low handling noise.
• SR420 receiver with space/antenna switching diversity , detachable BNC antennas , squelch control, RF/CLIP indicators and XLR (mic/line) and 6.35 mm jack outputs.
• Selection bandwidth of up to 30 MHz ; up to 8 simultaneous systems per band.
• Signal : FM modulation, typical THD 0.8% , typical S/N 105 dB(A) .
• Transmitter battery life : up to 8 hours with 1 x AA battery; integrated charging contacts (optional CU400) and low battery indicator.
• RF power (depending on band): 10/20/50 mW .
• Includes : HT420, SR420, 2 BNC antennas, microphone stand adapter, power supply, 1 AA battery.

Product benefits

• Powerful vocal sound that cuts through the mix thanks to the D5 capsule and its supercardioid directivity.
• Radio frequency stability with switching diversity, adjustable squelch , and detachable antennas for using professional accessories.
• Efficient operation : eight hours with one AA and charging contacts to reduce consumption of disposable batteries.
• Direct integration : XLR/jack outputs and mic/line level selector for connecting to mixers, interfaces or installed systems.

Use cases

• Live and backline : lead vocals and backing vocals in venues, theaters, and festivals.
• Events and rentals : talks, training, hotels, and conventions with rapid deployment.
• Fixed installations : houses of worship, auditoriums and educational centers that require several simultaneous channels.

Frequently Asked Questions

What exactly does the set include?
SR420 receiver, HT420 microphone/transmitter with D5 capsule, 2 BNC antennas, microphone stand adapter, power supply and 1 AA battery.

What is the typical range?
Up to 30 m line of sight (can be extended with appropriate external antennas).

Do I need a license for Band A?
Band A (530–559 MHz) is not freely available in all EU countries. Check local regulations before operating. If you require license-free use in Europe, consider Band D (863–865 MHz) of the same system.

Frequencies available in Band A

Preset channels for HT420/SR420 in A-Band (may vary by region): CH1 530.025 MHz , CH2 532.700 MHz , CH3 540.000 MHz , CH4 541.900 MHz , CH5 546.775 MHz , CH6 557.500 MHz , CH7 557.900 MHz , CH8 559.000 MHz .

Description for projects

AKG WMS420 UHF vocal wireless system in Band A (530.025–559.000 MHz) with HT420 handheld transmitter (supercardioid D5 dynamic capsule, 70–20,000 Hz, S/N 105 dB(A), THD 0.8%, battery life up to 8 h with 1×AA, 237×51 mm, 214 g) and SR420 receiver (switching diversity, audio 40–20,000 Hz, balanced XLR and 6.35 mm jack outputs, detachable BNC antennas, 150×44×200 mm, ½ 19″ rack). RF power depending on the band 10/20/50 mW. Up to 8 compatible channels per band.