SonoAlti 4V
speaking skydiving altimeter
speaking skydiving altimeter
$389
Key Features
- Rugged hardcoat-anodized aluminum case (MIL-A-8625 Type III)
- Set via WebUSB in a web browser (USB C data cable included)
- Built-in speaker with audio from a professional voice actress
- Regular spoken altitude announcements in user-defined increments and ranges for each phase of the skydive
- Unlimited additional spoken notifications (100 factory sounds, e.g. "breakoff")
- Can also emit beeps and sirens like a standard audible
- Simple firmware updates as easy as dragging files onto a USB drive
- Share your settings with fellow skydivers
- Add your own sound files
- Three custom user presets selected via button press on the altimeter
- Always on
- Remembers your settings when the battery runs out
- Adjusts automatically to local elevation
- Freefall threshold can be customized for swoopers and wingsuiters
- Landing zone offsets possible for those landing at a different altitude than takeoff
- Tested to function accurately up to 30,000 feet
- Rechargeable lithium polymer battery
- Long battery life of approximately 100 jumps or two months
- Low battery warning at 1,000 feet
- Check battery status and other info by holding down both buttons
Technical Specifications
- Dimensions: 53.1 × 33.4 × 10.6 mm (2.09 × 1.31 × 0.42 in)
- Weight: 32.5 g (1.15 oz)
- Anodizing type: MIL-A-8625 Type III (hardcoat)
- Battery: rechargeable lithium ion 3.7 V 250 mAh
- Peak output volume: 90±3 dBA @ 10 cm
- Audio format: mono 16-bit 44.1 kHz PCM
- Operating temperature range: −40° to +65° C (−40° to 150° F)
- Operating altitude: −500 to 9,000 m MSL (−1,640 to 29,528 ft)
- Altitude resolution: 0.5 m (1.64 ft)
- Sample rate: 50 Hz
- Charging temperature range: 0° to +50° C (32° to 122° F)
- USB connector: USB C