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Titley Chorus

Titley Chorus

The Chorus is an affordable, customizable wildlife recorder, designed for tough field conditions.


Titley Scientific are experts in bat detection, and they’ve applied their know-how to the field of robust acoustic recorders. Now you can record bats, birds, frogs and other vocalising wildlife with one detector. The Chorus is an easy-to-use, compact, lightweight and customizable detector.


The Chorus is designed to survive your tough field conditions. It’s weatherproof and robust, with low-profile microphones (to reduce the likelihood of pesky livestock and wildlife chewing them). But even if your microphones do get damaged, they are easily user-replaceable in seconds– so you don’t need to send the detector 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’s ready to go! It’s also dual-channel, so you can add an ultrasonic microphone to record bats, or a second acoustic microphone for stereo recordings. You don’t need any extra devices (such as phones) to set up the detector - no Bluetooth required, making deployment more reliable. Check your configuration on-detector using the internal OLED screen. You can choose from 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 detector to save on memory space during long deployments.


The Chorus battery-life is second to none, allowing you to record for up to 40 nights in full spectrum ultrasonic, or 300 hours of acoustic recording on just 4 AA batteries. Like all Titley detectors, 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 record a track.



  • 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 up to 40 nights (full spectrum ultrasonic) or 300 hours (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 Anabat Insight
  • Headphone output to check microphone performance



The Chorus comes supplied with one acoustic microphone. You have the choice of adding another of the low-profile, user-replaceable acoustic or ultrasonic microphones. Both microphone types can be used with the flexible-gooseneck microphone extender accessory. The Chorus has two channels, so you can customize your microphone setup to record in mono (1) acoustic, dual acoustic and ultrasonic (not simultaneously), or stereo (2) acoustic.


Omnidirectional Acoustic Microphone Specifications 

  • 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

  • Weather resistant (capsule protected by waterproof membrane)
  • Low noise floor
  • Improved frequency response when compared to previous generation electret-based ultrasonic microphones
  • Useable frequency response of 10kHz to 140kHz (response rolls-off beyond this point)


Chorus Includes

One acoustic microphone with wind sock and magnetic lanyard for checking status. Please note SD card and batteries are sold separately and you can add them as a 'bundle'.


Manufacturer's warranty is 2 years. Buy from us and get a 3 year warranty. Microphone warranty is 1 year.


Download Manual

  • Specifications


    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.
PriceFrom £545.00
VAT Included
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