Free Download:
SM4 Configurator

The SM4 Configurator software lets you modify recorder settings, create and edit recording schedules as well as estimate battery life and memory capacity for deployments. Available for Windows, OSX and Linux.

Free Download

Specifications of the Song Meter SM4

Song Meter SM4 Acoustic

Recording Technology:

  • Two-channel, 16 bit .wav

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, 44000, 48000,96000


  • The Song Meter SM4 does not provide triangulation capabilities. If you need a recorder with triangulation capabilities, the Song Meter SM3 is a great alternative.
    Contact Sales for pricing and availability of the Song Meter SM3.

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 Chart


  • 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 NiHM batteries
  • External power via optional SM3/SM4 Power Cable


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


  • Height: 8.6" / 218 mm
  • Width: 7.3" / 186 mm
  • Depth: 3.1" / 78 mm


  • 1.6 lbs / .7 kg without batteries
  • 2.9 lbs / 1.3 kg with batteries

Enclosure Material:

  • Polycarbonate

Enclosure Environmental Protection:

  • Fully weatherproof

Operating Temperature:

  • -4°F to +122°F or -20°C to 50°C


  • 3 years

Wildlife Acoustics is proud to support wildlife conservation efforts

Merlin Tuttle's Bat Conservation Bat Conservation International Bat Conservation Trust Wildlife Habitat Counsil