Song Meter SM4 Acoustic Detector

Product code: 11224-A

Song Meter SM4 Acoustic Detector

Product code: 11224-A

£806.59 ex VAT
  • Availability: In Stock


The latest bio-acoustic recorder from Wildlife Acoustics, the Song Meter SM4 is compact and weatherproof, and comes with two built-in microphones. Suitable for capturing acoustic data from wildlife such as birds, frogs and aquatic life over extended periods in the field. In addition to the built-in microphones, the SM4 bio-acoustic recorder also comes with two mic ports for a cabled microphone and/or hydrophone. Compatible with the SMM-A1 and SMM-A2 microphones and the SM3-H1 hydrophone.

The SM4's new Quick Start menu and Scheduler feature are an industry first. The unit comes pre-programmed with daytime, nighttime, and continuous recording schedules. Simply choose your schedule and press the Start button. You can also create customised schedules to suit your exact needs.

  • innovative scheduling tools
  • large data storage
  • ultra low power consumption
  • record in stereo or mono
  • up to 400 hours of recording time using internal batteries.
  • over a terabyte of data storage capacity
  • compatible with Song Scope analysis software
  • 3 year warranty



In The Field

Do you need to...

  • record less than a minute at a time?
  • change sample rate/filtering several times in a deployment?
  • record at different times on different days?
  • time-synchronize for localization?
  • store more than a terabyte without servicing the recorder?

If you answered yes to any of the above, you need an SM3.
Otherwise, the SM4 is the right choice:

  • The SM4 is quieter so it will record more of the sounds that you want.
  • The SM4 is half the size and weight of the SM3.
  • It features new, easy-to-use scheduling blocks that meet almost every need.


More Info

Recording Technology: Two-channel, 16 bit .wav

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

Mic Directional Characteristic: Omni-Directional

Mic Sensitivity: -28 dB +/- 3 dB at 1 kHz (0 dB=1 V/Pa)

Mic Signal to Noise Ratio: 80 dB Typ. at 1kHz (1 Pa, A weighted network)

Mic Max Input Sound Level: 122 dB SPL Typ.

Storage: 2 SDXC/SDHC flash card slots (Class 4 or greater). More than 1 terabyte total capacity using 2 512GB SDXC cards.

Dimensions: Height: 8.6"/21.8 cm; Width: 5.9"/ 15.0 cm; Depth: 2.8/7.1 cm Weight: 1.4 lbs./.64kg without batteries; 2.7 lbs./1.2kg with batteries

Operating Temperature: -4°F to +122°F or -20°C to 50°C

Warranty: 3 years


We aim for next working day delivery on all UK mainland orders received before 3.00pm. Where products need to be made to order or are not a regular stock item, or during busy times of year, despatch times may be longer. Schwegler products need to be ordered by 11am for next day delivery. 

If your order is urgent please call us on 01451 833 181. There is usually an additional charge for timed delivery.

We will always use a reputable courier company and require a signature on delivery. Smaller items are usually shipped using Royal Mail or Interlink, and larger items are sent usingTNT or Tuffnells. Palletised deliveries are with Hacklings.

We will email you shipping confirmation after your order has been despatched. Where available, you will also receive tracking notification by email or text. If you need to track your parcel urgently then please contact us.

We can deliver to anywhere in the world, but you may need to contact us for a quote.

UK mainland delivery starts at £6.67 ex VAT, while Highlands and Islands delivery starts at £12.50. You can calculate shipping costs using the basket.

For full delivery information please click here.


If you receive damaged items or the wrong goods, please let us know straight away so that we can arrange for them to be returned to us and replaced as quickly as possible.

You will need to obtain a Returns Number  - please call us on 01451 833181 or email

Please return goods, WITH THE RETURNS NUMBER MARKED ON THE PARCEL to: Wildcare, Eastgate House, Moreton Road, Longborough, GL56 0QJ

We may ask for a photograph any damaged items before we agree to replace them.

Please click here to view our full returns policy.