Song Meter Mini Acoustic Recorder

Big Features. Small Size
THE SONG METER MINI COSTS AROUND 45% LESS THAN THE INDUSTRY STANDARD SM4.
Specially designed to give you simplicity without sacrificing quality, the Wildlife Acoustics Song Meter Mini gives scientists an innovative tool for recording birds, frogs, and other vocal wildlife.
 
From conducting species inventory and presence/absence surveys to detecting endangered species and monitoring habitat health, the Song Meter Mini captures quality recordings at a breakthrough price.
 
Features
Comparable recording quality to the industry standard Song Meter SM4
Lightweight, at just 0.64 lb (290 g) including batteries
Our smallest wildlife audio recorder, at just 4.9" x 6.6" x 1.4" (123 mm x 168 mm x 36 mm)
Weatherproof design suitable for any environment
Change settings and schedule wirelessly via Bluetooth on your mobile device
Automatically sends recorder status to the app via Bluetooth
Uses your mobile device to set date, time, time zone and location
Optional second microphone for stereo recordings
Record 210 hours scheduled over months with 4 AA batteries (or 1,040 hours with 6 lithium-ion batteries in optional lid)
Compatible with Kaleidoscope Pro software to quickly scan recordings to help find species of interest
Affordably priced, including built-in microphone
 
Compatibility
The Mini Configurator app will work with most smartphones or tablets that have Bluetooth version 4.0 or later and run either iOS 10 or later, or Android 5.0 or later. The one major exception we've found is Android devices produced by Huawei, which do not use the same Bluetooth implementation as other major Android manufacturers.
 
Accessories
Acoustic Microphone Stub for Mini family - £85
Add to Song Meter Mini to enable stereo recording or to Song Meter Mini Bat to record bird and land animals when not recording bats.
Song Meter Mini Security Bracket - £60
Steel, lockable security bracket for Song Meter Mini family of recorders.
Lithium-ion Battery Lid - £170
Batteries not included. Fits 2, 4 or 6 lithium-ion protected 18650 cells with 68-69mm overall length.
Lithium-ion 18650 batteries for Mini family recorders with Lithium Lid - £135
Quality protected 18650 batteries from Wildlife Acoustics, per set of six.
Lithium-ion Battery Charger - £85
Charges the Lithium-ion batteries for the Song Meter Lithium-ion Battery lid option.
 
Technical Specifications:
 
Recording Format: 16-bit PCM .wav files
Channels: 1 built-in (2 with optional second microphone)
Sample Rates: The recorder supports the following sample rates in samples per second on one or two channels: 8000, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 96000
Built-in Microphone
Directional Characteristic: Omni-Directional
Sensitivity: -7.0 ±4 (0 dB = fs/Pa@1kHz)
Signal to Noise Ratio: 78 dB Typ. at 1kHz (1 Pa, A weighted network)
Max Input Sound Level: 101 dB SPL Typ.
Power Options
4 AA Alkaline or rechargeable NiMH batteries
2, 4 or 6 18650 rechargeable lithium-ion batteries using optional lithium lid accessory
Run-Time
4 AA Alkaline: 210 hours (typical at 24kHz mono)
6 18650 Li-ion batteries: 1,040 hours (typical at 24khz mono)
Storage
1 SDHC/SDXC flash card slots (Class 4 or greater)*
Supports up to 1TB SDXC cards (will support 2TB SDXC if/when available)
*We recommend using SanDisk SDHC/SDXC cards. You can add them when you order your Mini.
Dimensions
Height: 4.9" / 123 mm
Width: 6.6" / 168 mm
Depth: 1.4" / 36 mm
Weight
Without batteries: 0.42 lb / 190g
With 4 AA batteries: 0.64 lb / 290g
Enclosure Material: Polycarbonate
Enclosure Environmental Protection: Fully weatherproof with integrated humidity controls
Operating Temperature: -4°F to +185°F or -20°C to 85°C
Warranty: 2 years recorder (3 years if bought from me!)/1.5 years built-in microphone
 
Audio Specifications and Acoustic Performance Charts
 
BUILT-IN MICROPHONE
Sensitivity built-in
-11.0 ±4 dBfs/pa @ 1kHz, 0dB gain
Signal-to-Noise Ratio
78dB Typ. at 1kHz (1 Pa, A weighted network)
Dynamic Range
16 dB-99 dB SPL at 0dB gain
 
FREQUENCY RESPONSE CHARTS FOR BUILT-IN MICROPHONE
Measurements shown using default filter and gain settings, 48kHz sample rate, and a calibrated sound source one meter from the recorder facing front (perpendicular to the microphone axis). You can see these charts in the images section.