Sound Devices Astral Mini (A20-Mini)
Digital wireless bodypack transmitter
Wireless System$2,495Manufacturer list price
Specifications
- Type
- Wireless System
- Description
- Digital wireless bodypack transmitter
- Signal path
- Digital (recallable / digitally controlled)
- Channels
- 1
- Channel format
- Single-channel wireless bodypack transmitter
- Form factor
- Ultra-compact bodypack
- Connection
- RF (SpectraBand 470-1525 MHz), USB-C
- Sample rate (kHz)
- 48
- Bit depth
- 32-bit float
- DSP
- true
- Powered
- true
- Frequency response
- 10 Hz - 20 kHz
- Introduced
- 2021
- Country of manufacture
- USA
Details
Controls: GainForward Architecture (gain set remotely at receiver, not on transmitter body)
I/O: 3.5mm mic/line input, USB-C (charging/jam sync), built-in 32-bit float/48kHz recorder with 64GB storage
Notable use: Part of the A20/Astral wireless ecosystem used in film, TV, and broadcast production sound
Notes: FLAG: A20 wireless ecosystem product - formerly marketed as A20-Mini, current site branding is Astral Mini (same model, SKU A20-MINI). 130 dBA dynamic range. Powered by NP-BX1 Li-ion or 3x AAA; up to ~9 hrs with optional A20-BatteryDoubler accessory (accessory itself out of scope). Price $2,495 reflects recent (2026) sourcing; an older 2021-era reference cited $2,200 and was not used.