Chorus
Affordable & customizable recorder for tough field conditions
ADD TO CARTAU$799.00AU$938.00

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Active Bat Detectors

Passive Wildlife Recorders - Acoustics & Bats

Analysis Software

Detector Accessories

Wildlife Camera Traps

Now you can record bats, birds, frogs and other vocalising wildlife with one device. The Chorus is an easy-to-use recorder, compact, lightweight and customisable.

The Chorus is designed to survive your tough field conditions. It is weatherproof and robust, with low-profile microphones (to reduce the likelihood of pesky livestock and wildlife chewing them). Even if your microphones do get damaged, they are easily user-replaceable in seconds– so you don’t need to send the recorder back, just replace the microphone in the field.

An acoustic microphone is included with the Chorus, so if you want to record birds or frogs, it is ready to go! The Chorus is also dual-channel, so you can add an ultrasonic microphone to record bats, or a second acoustic microphone for stereo recordings. You do not need any extra devices (such as phones) to set up the recorder – no Bluetooth required, making deployment more reliable. Check your configuration on-recorder using the internal OLED screen. You can choose from our automatic schedules for night-mode, day-mode, or continuous recording, or create your own schedule; you can record bats at night and birds during the day. You can even record bats in zero crossing on the recorder to save on memory space during long deployments. It is easy to create complex multi-task schedules using the Toolbox scheduler built in to Insight.

The Chorus battery-life is second to none, allowing you to record for 50 nights in full spectrum ultrasonic, or 350 hours of acoustic recording on just 4 AA batteries. Like all our devices, a built-in GPS comes as standard. All your files will be geotagged, your location will be used to calculate sunset and sunrise for automatic scheduling, and you can even activate transect mode to save a track.

Check out our feature video to see Chorus in action.-

Chorus Includes

One acoustic microphone with wind sock and magnetic lanyard for checking status. Please note SD Card and batteries are sold separately.

Microphones

The Chorus comes supplied with one low-profile side-mounted acoustic microphone. You can choose to add another low-profile side-mounted acoustic or ultrasonic microphone. The Chorus has two channels (A and B), so you can customise your microphone setup to record in mono (1) acoustic, dual acoustic and ultrasonic (same deployment, not simultaneously), or stereo (2) acoustic. Both microphone types can be used with our flexible-gooseneck microphone extender accessory.

Ultrasonic and acoustic microphone options for Chorus recorder

Omnidirectional Acoustic Microphone Specifications Acoustic Microphone

  • Includes a military-grade water-resistant wind sock
  • Built-in low noise preamplifier
  • High performance electret microphone capsule with excellent sensitivity and low noise floor (-24dB sensitivity
    with 80dB signal-to-noise ratio)
  • Frequency response of 20Hz – 20kHz

 

Omnidirectional Ultrasonic Microphone Specifications

 

 

  • Easy to use, weatherproof and robust
  • Includes one acoustic microphone
  • You can choose additional microphones to record ultrasonic or stereo acoustic in one deployment
  • Microphones are user-replaceable
  • Lasts for 50 nights (full spectrum ultrasonic) or 350 hours recording time (acoustic) on 4 AA batteries*
  • Built-in GPS
  • Stand-alone detector, no phone required for setup
  • Built-in temperature sensor
  • Automatic schedules for easy deployment, or create your own custom schedule
  • Transect mode available
  • Analyse recordings with free software Insight
  • Headphone output to check microphone performance
External Dimensions 194 x 123 x 50mm (7.64 x 4.84 x 1.97 inches)
Weight 430 grams (15.3oz.) without batteries
Power Requirements 4 AA batteries
Battery Life 50 nights ultrasonic / 350 hours acoustic with 4 AA batteries*
Memory 1 x SDHC/SDXC memory card (up to 1TB)
Audio Output Headphone jack for frequency division output (ultrasonic) and stereo reproduction (acoustic)
Frequency Range 20Hz up to 140kHz (depending on microphone)
Housing Shrub green, weatherproof and shockproof (IP67) with tripod mount
GPS Built-in (daily GPS fixes, transect mode - GPS fix every second)
File Output Full spectrum (.wav), zero crossing (.zc), GPS track (.gpx) and temperature sensor log (.csv)
Sample Rates 500, 384, 320, 192, 96, 48, 44.1, 32, 22.05 ksps
Channels 2 channels. Stereo/Mono acoustic or mono ultrasonic. Not simultaneous acoustic and ultrasonic
Display OLED
Warranty Recorder: 2 years, microphones: 1 year
Includes Acoustic microphone with wind sock, magnetic lanyard for checking status
Optional Accessories Low-profile ultrasonic microphone, additional low-profile acoustic microphone, lockable security box, flexible-gooseneck microphone extender
*Ultrasonic battery life estimations based on 10% bat activity at 25°C and 10 hour nights recording at 320ksps using 4 alkaline AA batteries. Acoustic battery life estimations based on continuous mono recording at 32ksps using 4 alkaline AA batteries.

Chorus

Product Code: AAAB022

AU$938.00

Qty

What's in the box

Chorus recorder

Plus...

    Microphones (depending on option selected) Magnetic lanyard Microphone socket cap Quick Start User Guide

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Chorus