The Pettersson u256 USB Ultrasound Microphone is a compact, high-quality microphone designed for recording and analysing ultrasonic sounds such as bat echolocation calls. It connects directly to a computer, tablet or smartphone via USB and functions as a standard audio input device, making it suitable for ecological surveys, research, training and wildlife monitoring.
Developed by Pettersson Elektronik, the u256 records full-spectrum ultrasound at a high sampling rate, allowing detailed capture of bat calls when used with compatible recording or analysis software.
Key Features
- Full-spectrum ultrasound recording
- Recording format: 16-bit linear PCM, up to 256 kHz sampling rate
- Wide frequency response suitable for bat echolocation calls (up to approx. 128 kHz)
- USB-powered – no batteries required
- Recognised as a standard USB audio device (no custom drivers required)
- Compact aluminium housing suitable for field use
Compatibility & Use
The u256 connects via USB-C and is compatible with Windows, macOS, Linux, Android and iOS devices when used with a suitable adapter. It works with Pettersson BatSound, BatSound Touch and other recording or analysis software that supports high sample-rate USB audio devices.
The USB connector on the u256 plugs directly into a type C jack, becoming a small and portable recording unit. In order to connect the u256 to devices with other types of USB jacks or when space constraints make it difficult to plug the u256 directly into the USB jack, an optional extension cable and/or adapter can be used (not included).
When paired with appropriate software, the microphone allows ultrasonic recordings to be visualised and analysed, making it suitable for bat activity surveys, acoustic monitoring and education.
Materials & Specifications
- Microphone type: MEMS ultrasound microphone
- Maximum sampling rate: 256 kHz
- Bit depth: 16-bit
- Power supply: USB (5 V)
- Housing: Aluminium
- Weight: Approx. 25 g
The Pettersson u256 USB Ultrasound Microphone offers a simple, portable way to capture ultrasonic wildlife sounds using commonly available devices and software.
Delivery & Returns
Shipping is calculated at checkout based on order weight, product type and delivery postcode. Prices exclude VAT.
Delivery times
| UK mainland | 1 to 3 working days for orders placed before 2pm |
| Scotland, Northern Ireland & UK offshore areas | 2 to 5 working days for orders placed before 2pm |
| Europe | 3 to 5 working days for orders placed before 2pm |
| Rest of world | 7 to 14 working days for orders placed before 2pm |
Delivery costs
UK mainland: delivery starts from £7.92.
Highlands and Islands: delivery starts from £25.
Northern Ireland: delivery starts from £20, rising to £90 for orders up to 60kg.
Larger orders, pallet deliveries and some offshore or international deliveries may require a quote.
For European orders, please visit wildcare.eu, call +33 (0)4 65 65 00 05 or email [email protected].
Need it by a certain date?
Please tell us when ordering. For urgent orders, call 01451 833181.
Returns
If your order arrives damaged or incorrect, please contact us within 5 working days.
A Returns Number may be required before sending goods back. Call 01451 833181 or email [email protected].
Please see our full returns policy for more information.
