GPS attachment allows you to set date, time and location for multiple recorders.Optional cabled microphones and hydrophones.Capable of storing terabytes of data to two SDHC/SDXC flash cards.Strong anti-alias filters improve signal-to-noise ratios.Choose a quick-start schedule or easily create your own.Record 510 hours scheduled over months using four D cell batteries, 305 hours using NiMH batteries or even longer using external power.Flexible gain settings and high-pass filters for optimal performance in different recording environments. Two built-in, low-noise microphones allow for quality, stereo animal recordings.Built-in fail-safe and fault-tolerant technology, including two flash cards for failover and extensive internal diagnostics.Weatherproof design suitable for any environment.Proven and reliable, with only 0.64% of recorders requiring in-warranty repairs.Industry-standard line of birds, frogs, and other vocal wildlife audio recorders, with over 20,000 SM4 family recorders sold to date.The resulting W4V files can be opened with and/or converted to uncompressed WAV files using the free version of Kaleidoscope software. The format doubles the capacity of your SD cards with no noticeable degradation of recording quality. In addition, you can save card space by using W4V Compression. When fitted with two 1TB cards, the SM4 can store up to two terabytes of data. The SM4 has two SD card slots that accept SDHC and SDXC cards. The SM4 Configurator software also provides a Security Lock option to prevent accidental changes to deployment and recording settings. The free SM4 Configurator software can be used to configure settings and schedules from a computer. You can also customize your schedules for specific wildlife sound recording needs. To get you started quickly, the SM4 features easy-to-use Quick Start schedules, such as sunrise to sunset. Adding additional runs of cable to the external microphone gives you the ability to capture audio from far-off wildlife such as birds in the forest canopy or frogs at a nearby pond. Record in stereo or mono using the built-in microphones, or connect one or two cabled microphones. Take advantage of the SM4’s dual-channel feature to ensure that recording continues – even after one microphone is disabled by wildlife-incurred damage. The low-noise microphones have a superior signal-to-noise ratio so you capture more wildlife sounds that matter to you. The SM4 features two second-generation built-in microphones that create higher quality recordings of birds and vocalizing animals than previous generations of Song Meter microphones. With the ability to store terabytes of data and record birds and wildlife in the field for months at a time, the Song Meter SM4 gives scientists a flexible tool for conducting species inventory, presence/absence surveys, endangered species detection and habitat health monitoring. The Wildlife Acoustics Song Meter SM4 is the proven industry standard wildlife audio recording equipment, specially engineered to deliver quality sound recordings of birds, frogs, and other vocal animals in the wild.
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