Wildlife Acoustics | Bioacoustic monitoring systems for research, science, industry and governments.

Recording Technology:

  • Two-channel, 16-bit PCM .wav files or compressed .w4v files

Recording Bandwidth:

  • 20Hz – 48kHz

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 Microphones (2):

  • Directional Characteristic: Omni-Directional
  • Sensitivity: -33.5 dB +/- 3 dB at 1 kHz (0 dB=1 V/Pa)
  • Signal to Noise Ratio: 80 dB Typ. at 1kHz (1 Pa, A weighted network)
  • Max Input Sound Level: 122 dB SPL Typ.
  • View Microphone Response Charts

Run-Time:

  • Up to 400 hours with 4 D-cell Alkaline or 250 hours with NiHM batteries
  • NOTE: Run times can vary by as much as 50% depending on the characteristics of specific brands and models of flash cards, the kind and quality of batteries used (alkaline versus rechargeable), temperature and configuration. We recommend SanDisk brand SDHC/SDXC cards.

Power Options:

  • Internal power using 4 D-size alkaline or rechargeable NiHM batteries
  • External power via optional SM3/SM4 Power Cable

Storage:

  • 2 SDHC/SDXC flash card slots (Class 4 or greater)*
  • More than 1 terabyte total capacity using 2 512GB SDXC cards
  • Compression is available to further increase storage capacity
  • *We recommend using SanDisk SDHC/SDXC cards. You can buy them from our store.

Dimensions:

  • Height: 8.6" / 218 mm
  • Width: 7.32" / 186 mm
  • Depth: 3.1" / 78 mm

Weight:

  • 1.6 lbs / .73 kg without batteries
  • 2.9 lbs / 1.3 kg with batteries

Enclosure Material:

  • Polycarbonate

Enclosure Environmental Protection:

  • Fully weatherproof

Operating Temperature:

  • -4°F to +185°F or -20°C to 85°C

Warranty:

  • 3 years

Typical Frequency Response:
Built-In Microphones or SMM-A2 Acoustic External Microphone

  • Sensitivity built-in: -35 ±4 dB (0 dB=1V/pa@1kHz)
  • Sensitivity SMM-A2: -9 ±4 dB (0 dB=1V/pa@1kHz)
  • Signal-to-Noise Ratio: 80dB typical at 1kHz (1 Pa, A weighted network )
  • Dynamic Range with Preamplifier: 14dB - 100dB SPL at 0dB gain
  • Dynamic Range without Preamplifier: 39dB - 126dB SPL at 0dB gain
Built-in microphones or SMM-A1 acoustic external microphone

Typical Frequency Response:
SMM-A2 Acoustic External Microphone

  • Sensitivity: -11 ±4dB (0dB=1V/pa@1kHz)
  • Signal-to-Noise Ratio: > 68dB
  • Dynamic Range: 26dB - 102dB SPL at 0dB gain
SMM-A2 acoustic external microphone