Astral HH Handheld Microphone Transmitter

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Sound Devices

470 - 1525 MHz

Model:

28297

Price:	$2,995.00

Features

This item was formerly known as the A20-HH, but all features and specifications remain the same.
Includes mic transmitter body and CD1 cardioid dynamic mic capsule
Frequency range in the US: 470-608, 614-616, 653-663, 902-908, 941-960, and 1435-1525 MHz
100% digital modulation for long transmission distance
Patented wideband RocketAntenna not affected by gripping the mic at the end
Reversible A20-HH Capsule Collar enables changing between Shure or Sennheiser capsule thread with no adapters needed
10 hours (10mW) runtime from standard 18650 Li-Ion battery
Records internally to MicroSD card; Recording is not possible when transmitting audio

Description

Overview

The Astral HH is a modular handheld transmitter body with eInk display and dynamic cardioid capsule. It has been meticulously engineered to help any performer sound their best with state-of-the-art, 100% digital RF modulation for excellent sound quality. It boasts the long-range RF transmission and features full 10 Hz – 20 kHz audio bandwidth, along with 10-hour battery life in an elegant yet very rugged mechanical housing.

SpectraBand is built into the Astral HH as standard, which results in an astounding tuning range of 470 MHz up to 1525 MHz and AutoAssign makes scanning and setting frequencies on all transmitters automatic and blindingly fast with one button press.

Mic Capsule
Sound Devices has long been known for impeccable audio quality and has put all this know-how into the included CD1 calibrated dynamic capsule. Its smooth sound is tailored for vocals and is absolutely repeatable from unit to unit due to its 100% testing and calibration at the Sound Devices factory.

The Astral HH microphone can natively use any manufacturer's mic capsule that conforms to the Shure- or Sennheiser-style threads- with no adapter. Both threads are built-in; to change from one thread to another, simply flip the A20-HH Capsule Collar over.

Add Controls
The Astral HH microphone as supplied has no external switches for talent to accidentally change. You can further customize it with interchangeable A20-HH Control Rings (sold separately) to add physical control buttons or switches. These controls can be menu-configured for many different options, including triggering macros on mixing consoles.

Make it Your Own
The Astral HH has a quick-change Body Shell, Control Ring, Capsule Collar, and CD1 that you can decorate, paint, and bedazzle to fit the style of any costume. In just minutes, change the entire look of the microphone by swapping out these three pieces and your choice of capsule. For additional customization options, Sound Devices recommends Rebel Trading Company.

RocketAntenna
You no longer need to stress about talent covering the bottom of the mic and smothering the RF level. Sound Devices’ patent-pending wideband RocketAntenna means that no matter where the mic is held, the antenna keeps transmitting at the same level without dropping out.

Full Remote Control
All Astral transmitters have ultra long-range Remote Control built-in as standard through the NexLink protocol NexLink. Change frequencies and even fully power down and up all transmitters at the press of one button from your mixing console.

GainForward™ technology means that there are no gain controls to be set and messed with on the wireless transmitter or receiver. Simply adjust gain at the console’s trim with no loss in headroom or noise performance.

Rugged Construction
With the Astral HH’s solid magnesium die-casting, stainless steel construction, and its impact-absorbing polycarbonate outer shell, the A20-HH is designed to withstand years of abuse on the road. Sound Devices’ internal QA lab puts our mics through a battery of brutal tests -- dropping, extreme cold, heat, humidity, throwing, soaking, shaking, and vibrating. Go on then, drop the mic.

Specifications

<RF & AUDIO></RF & AUDIO> <Frequency Range>470-608, 614-616, 653-663, 902-908, 941-960, 1435-1525 MHz (US)</Frequency Range> <Transmitter Tuning>25 kHz steps</Transmitter Tuning> <RF Output Power>Off, 2mW, 10mW, 20mW, 40mW, 100mW (Maximum Rf power is dependent on local regulations)</RF Output Power> <></> <Antennas></Antennas> <RF>470-1525 MHz: Built-in</RF> <NexLink>2.4 GHz: Built-in</NexLink> <></> <Audio Frequency Response>10 Hz - 20 kHz, +/- 1 dB re 1 kHz</Audio Frequency Response> <></> <Audio Input (Mic Capsule)>Compatible with Sound Devices CD1 capsule and capsules that use Shure and Sennheiser threads</Audio Input (Mic Capsule)> <Bias power with Shure-style>5V</Bias power with Shure-style> <Bias power with Sennheiser-style>10V</Bias power with Sennheiser-style> <EIN>-128 dBV (A-weighting)</EIN> <Dynamic range>Greater than 140 dB</Dynamic range> <></> <OPERATIONAL></OPERATIONAL> <Interchangeable Control Rings></Interchangeable Control Rings> <Control 0>supplied with A20-HH, no buttons</Control 0> <Control 1>sold separately, one push button</Control 1> <Control 3>sold separately, three push buttons</Control 3> <Control Switch>sold separately, one slide switch</Control Switch> <>Remote Control</> <>A20-Remote Android, iOS, and iPad app</> <via Bluetooth 5.2 LE>A20-SuperNexus, A20-Nexus, A20-Nexus Go receivers</via Bluetooth 5.2 LE> <via super-long-range NexLink></via super-long-range NexLink> <POWERING></POWERING> <Battery>Sound Devices XL-B18650 Li-Ion battery</Battery> <Battery Runtime>10+ hours at 10 mW RF output power</Battery Runtime> <Battery Charging>Built-in battery charging via USB-C; Inductive charger dock for A20-HH (sold separately); Battery can be removed and charged in any standard 18650 charger</Battery Charging> <></> <USB-C></USB-C> <Mass Storage (USB-C)>USB 2.0 high speed for file transfer of internal microSD card recordings</Mass Storage (USB-C)> <Chagring>Charges XL-B18650 Li-ion battery inserted in A20-HH</Chagring> <Pairing>A20-SuperNexus, A20-Nexus, A20-Nexus Go</Pairing> <></> <INTERNAL RECORDING></INTERNAL RECORDING> <Recording Media>Micro SD Card</Recording Media> <Media Format>ExFAT for Micro SD cards 64GB or more, FAT32 for Micro SD cards 32GB or less</Media Format> <Modes>Record Only Mode or RF Only Mode. Recording is not possible when transmitting audio.</Modes> <Recording File Format>32 Bit Float, 48 kHz, Monophonic wav; • Broadcast WAV (<4 GB), RF64 WAV (>4 GB)</Recording File Format> <></> <Time Code>Sync wirelessly over NexLink (from A20-SuperNexus/A20-Nexus/A20-Nexus Go)</Time Code> <Accuracy>0.2 ppm</Accuracy> <Clock Hold>Holds accurate clock for four hours while powered down with batteries inserted, holds for one hour without batteries via internal supercapacitor</Clock Hold> <Jamming>Auto jams time code via USB-C connector or wirelessly via NexLink</Jamming> <Time Code Frame Rates>23.98, 24, 25, 29.97 DF, 29.97 ND, 30 DF, 30 ND; Frame rates are auto-detected from incoming source</Time Code Frame Rates> <></> <PHYSICAL></PHYSICAL> <Environmental></Environmental> <Operating>-10° C to 40° C</Operating> <Storage>-40° C to 85° C</Storage> <>Water resistant</> <Dimensions (H x W x D)>7.1" x 1.5" x 1.5" (18.0 x 3.7 x 3.7 cm)</Dimensions (H x W x D)> <Weight>0.4 lbs / 0.18 kg (no battery or optional counterweight); 0.5 lbs / 0.23 kg (with battery); 0.6 lbs / 0.26 kg (with battery and optional counterweight)</Weight>

In the Box

Astral HH [A20-HH] handheld microphone/transmitter fitted with:
- Control 0 Ring
- CD1 Cardioid Mic Capsule
- Reversible Capsule Collar
A20-HH Pouch
A20-HH Counterweight-30
(2) XL-B18650 Li-ion Batteries (with small soft case)
Mic Clip
Threaded Adapter for Mic Clip
USB-A to C Cable, 1 Meter

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Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.

For more information, visit the FCC at www.fcc.gov or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

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