Sound Devices Astral HH Handheld Wireless Microphone Transmitter
Sound Devices Astral HH Handheld Wireless Microphone Transmitter
Sound Devices Astral HH Handheld Wireless Microphone Transmitter

Sound Devices Astral HH Handheld Wireless Microphone Transmitter

Categories: Wireless systems
SKU: Astral HH

The Astral HH is Sound Devices' flagship handheld transmitter, built for artists and engineers who need dependable RF performance without sacrificing vocal quality. It pairs a purpose-built calibrated capsule with the widest tuning range available in a handheld, making it a strong fit for touring productions, houses of worship, and broadcast events where frequency coordination is tight.

Pairs well with

Technical Specifications

RF Performance

A wideband RocketAntenna design keeps output level consistent regardless of hand position, addressing the signal loss that affects many handheld transmitters when gripped tightly. Combined with a global tuning window and one-touch frequency scanning, the system is built to find clean spectrum quickly on the road.

Audio Path

The included CD1 capsule is individually calibrated at the factory for consistent tone across units. Owners can also swap in third-party capsules using Shure- or Sennheiser-style threads without an adapter, and gain is handled entirely downstream at the receiver or mixer rather than on the microphone itself.

Control and Workflow

An interchangeable control ring lets operators add or remove physical buttons as needed, and the whole exterior, including shell, ring, and capsule collar, can be swapped for quick re-branding between shows. All remote functions, including full power-down, run over Sound Devices' long-range control link from a paired receiver or companion app.

Applications

Suited to touring concerts, houses of worship, theatre, broadcast, corporate events, and cruise ship productions.

Key Specifications

  • Frequency Range: 470-1525 MHz (SpectraBand), tunable in 25 kHz steps
  • RF Output Power: Off, 2, 10, 20, 40, or 100 mW (max. dependent on local regulations)
  • Audio Bandwidth: 10 Hz to 20 kHz, plus/minus 1 dB
  • Dynamic Range: Greater than 140 dB
  • Mic Capsule: CD1 calibrated dynamic capsule included; natively accepts Shure- or Sennheiser-thread capsules
  • Battery: XL-B18650 Li-Ion, 10+ hours runtime at 10 mW
  • Charging: Built-in USB-C charging
  • Internal Recording: 32-bit float, 48 kHz, microSD card, Broadcast WAV/RF64
  • Remote Control: Astral Remote app via Bluetooth 5.2 LE; NexLink from Astral ARX32, ARX16, or ARX8
  • Dimensions: 18.0 x 3.7 x 3.7 cm (H x W x D)
  • Weight: 0.23 kg with battery
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