Sound Devices / Professional Audio
Astral Mini Plus
SKU: ARM-RF-SD-ASTRAL-MINI-PLUS
The Sound Devices Astral Mini Plus is a compact digital bodypack transmitter for discreet microphone placement in theatre, broadcast, film and live production. Its rounded housing and integrated belt clip support comfortable placement on talent.
Key features
- IP67-rated housing for demanding production environments.
- SpectraBand tuning from 169–1525 MHz, with frequencies dependent on region.
- NexLink receiver control and Bluetooth control through Astral Remote.
- GainForward architecture lets you adjust audio gain downstream.
- Internal 32-bit float, 48 kHz recording with 64 GB storage.
- Supports two- and three-wire lavalier microphones.
- USB-C charging, an ePaper display and support for one or two XL-B14500 rechargeable cells.
Build your system
Tell ARM which microphone and receiver you plan to use. We can help confirm connections and the batteries, charging equipment and accessories required for your setup.
RRP $4,795.00 AUD
Price $4,795.00 AUD
Save $0.00 AUD
Including GSTinc.
Available for pre-order
First delivery all sold, next batch arriving soon.
Contact ARM to confirm stock availability and your required configuration.
TECHNICAL DETAILS
Specifications
The details you need to plan your system. Expand a section to explore.
Wireless & audio
| Specification | Details |
|---|---|
| Tuning range | 169–1525 MHz; available frequencies depend on region |
| RF output power | Off, 5, 10 or 20 mW |
| Modulation modes | Standard, Long Range and T&M |
| Latency | Standard: 2 ms · Long Range: 3.9 ms · T&M: 7 ms (LEMO input to receiver analogue output) |
| Microphone input | 3-pin LEMO; compatible two- and three-wire lavaliers |
| Audio frequency response | 10 Hz–20 kHz, ±1 dB relative to 1 kHz |
| Dynamic range | 140 dB, A-weighted |
| Microphone bias | 5 V |
| Antenna connection | Removable SSMA antenna; built-in 2.4 GHz control antenna |
Recording & timecode
| Specification | Details |
|---|---|
| Recording format | Mono, 32-bit float, 48 kHz; Broadcast WAV or RF64 WAV |
| Internal storage | 64 GB; approximately 80 hours of recording |
| Timecode synchronisation | NexLink, or USB-C from an 8-Series recorder’s USB-A port |
| Timecode accuracy | 0.2 ppm |
| Frame rates | 23.98, 24, 25, 29.97 DF/ND and 30 DF/ND; detected from incoming timecode |
| Timecode retention | Up to four hours powered down with batteries; up to one hour without batteries |
Power & control
| Specification | Details |
|---|---|
| Batteries | One or two XL-B14500 rechargeable lithium-ion cells |
| USB-C | Powering, onboard battery charging and file transfer |
| Battery runtime | Varies with battery configuration, RF power and recording mode |
| Remote control | NexLink from ARX8, ARX16 or ARX32; Bluetooth via Astral Remote |
| Display | Backlit ePaper; information remains visible when powered off |
| Identification | Vibration and LED identification; RFID tap-to-pair |
Size & construction
| Specification | Details |
|---|---|
| Dimensions (H × W × D) | 85.5 × 50.8 × 20.3 mm, with standard battery door |
| Weight | 62 g without batteries; 102 g with batteries |
| Protection rating | IP67; battery door must be correctly closed and latched |
| Operating temperature | −10°C to +38°C |
| Belt clip | Rotatable: 0°, 90°, 180° or 270° |
Additional audio & recording details
| Specification | Details |
|---|---|
| Tuning step | 25 kHz |
| Input impedance | 8 kΩ |
| Input clipping level | +7 dBu |
| Storage allocation | 10% over-provisioned |
| Internal drive format | exFAT |
| USB transfer | USB 2.0 high speed |
| Storage temperature | −40°C to +85°C |
| Humidity | 0–90%, non-condensing |
Available frequencies and RF power depend on region. Simultaneous recording and transmission is unavailable on units sold or operated in the USA. RF transmission, audio and recording are disabled during USB computer file transfer.
Technical specifications from Sound Devices product information and user guides, organised for ARM. Features may depend on installed firmware and optional licences.