The Astral A20‑HH is best suited for receiving handheld or bodypack wireless microphones in film, TV, theatre, and live-event productions, especially when you need reliable, high-quality RF reception in a compact, portable unit for location rigs, sound carts, or small rack setups.

Only pairs with other Sound Devices’ Products

• Worldwide UHF tuning range from 470 MHz-1525 MHz

• 10+ hours (10mW) runtime from standard 18650 Li-Ion battery

• Patent-pending wideband RocketAntenna design not affected when gripping mic at bottom

• Reversible Capsule Collar threaded to accept Shureor Sennheiser-compatible mic capsule, no adapters needed

• CD1 high-precision, fully-calibrated dynamic mic capsule for incredible mic-to-mic consistency

• Long-distance NexLink remote control from the A20-SuperNexus, A20-Nexus, A20-Nexus Go and Web App

• State-of-the-art 100% digital modulation delivers the longest transmission distance of any system on the market

• RF Power output from 2 mW to 100 mW

• GainForward Architecture no gain control. Adjust gain at the mixer

• Full 10 Hz 20 kHz audio bandwidth

• High headroom, ultra quiet mic preamp with > 140 dB dynamic range

• Sunlight readable e-Paper screen for control and display. Display persists with no batteries

• Water resistant and extensive weather-sealing

• USB-C for pairing with the A20-SuperNexus, A20-Nexus, A20-Nexus Go and for charging

• Bluetooth for remote control from A20-Remote iOS/Android App and for wireless pairing

• Built-in battery charging via USB-C

• Inductive wireless charging (coming soon)

• Multiple, easily interchangeable Control Rings

• Quick-change sleeve for easy decoration or complete change of mic appearance. Only 3 pieces, quick and easy to swap

• Extremely rugged construction using die-cast magnesium, turned stainless steel, and high-impact strength polycarbonate