Titley Scientific Song Meter Chorus Acoustic and Ultrasonic Recorder ²⁶

Titley Scientific Chorus Wildlife Acoustic and Ultrasonic Recorder

An affordable, robust, and customizable solution designed for monitoring bats, birds, frogs, and other vocalizing wildlife in demanding field conditions.

The Chorus by Titley Scientific redefines wildlife recording by combining ultrasonic bat detection and acoustic recording for birds and herpetofauna into a single, compact device. Engineered to survive tough environments, it features weather-resistant housing and low-profile microphones that can be user-replaced in seconds directly in the field. With industry-leading battery life, the Chorus can record for up to 40 nights in full-spectrum ultrasonic mode or 300 hours in acoustic mode using just 4 AA batteries. Its internal OLED screen allows for standalone configuration without needing phones or Bluetooth, while the built-in GPS ensures every file is geotagged and recording schedules automatically adjust to local sunrise and sunset times.

Key Features

• Multi-Species Recording: Capture birds and frogs during the day and bats at night using customizable automatic schedules.
• Customizable Dual-Channel: Includes one acoustic microphone with the option to add a second (ultrasonic or acoustic) for stereo or dual-purpose recording.
• Ultra-Robust Design: Weatherproof housing with microphones designed to minimize damage from livestock or wildlife chewing.
• Integrated GPS: Automatic geotagging of files, precise sunset/sunrise calculations for scheduling, and transect mode for mobile recording.
• User-Replaceable Parts: Replace microphones in the field in seconds without needing to return the unit for technical service.
• Exceptional Efficiency: Operates on 4 AA batteries, eliminating the need for bulky external power packs during long deployments.

• Specifications
• In the Box
• Required Items
• Optional Items

• Brand	Titley Scientific
  Audio Channels	2 Channels (Mono, Stereo, or Acoustic/Ultrasonic)
  Acoustic Response	20 Hz – 20 kHz (-24dB sensitivity)
  Ultrasonic Response	10 kHz – 140 kHz (Useable response)
  Battery Life	Up to 40 nights (Ultrasonic) / 300 hours (Acoustic)
  Power Supply	4 AA batteries
  Storage	SD Card slot
  Sensors	Built-in GPS and Temperature sensor
  Recording Formats	Full Spectrum (WAV) and Zero Crossing (for bats)

• • 1x Chorus Wildlife Recorder
  • 1x Omnidirectional acoustic microphone
  • 1x Military-grade water-resistant wind sock
  • 1x Magnetic lanyard (for status checks)
• • AA batteries (4 units)
  • SD memory card
• • Additional omnidirectional ultrasonic microphone
  • Second acoustic microphone for stereo recordings
  • Flexible-gooseneck microphone extender
  • Anabat Insight analysis software (Free download)

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