Description

SirenAlti Two-Speaker Audible Altimeter from Freefall Data Systems!

SirenAlti represents a ground-up rethinking of the concept of a beeping audible. It integrates two speakers instead of one, and offers an extremely rich array of possible sounds and an extraordinarily high level of customizability.

Key features

• Dual-speaker technology
• Enhanced audibility and perceivability—like two audibles in one pocket
• Three categories of sounds: simple, dual, and musical
• Static repeating alarms and dynamic ones that change according to altitude
• Built to last
• Made in USA
• Rugged anodized aluminum case
• IP67 waterproof
• Sounds & presets
• Store up to five presets, selected by button press on the altimeter
• Unlimited alarms per preset—select from a rich library of 90 possible alarms
• Copy a preset for quick tweaks
• Long battery life
• Rechargeable lithium-polymer battery (USB-C cable included)
• About three months, or roughly 80 jumps, of battery life
• Low-battery warning at 1,000 feet
• Always on
• Customized to your skydive
• Customizable freefall threshold for swoopers and wingsuiters
• Adjustable volume for each preset and for each phase of the skydive
• Per-preset landing-zone offsets
• Adjusts automatically to local elevation
• Functions accurately from −5,900 to 30,000 feet MSL
• Connected
• Logs your jumps for syncing to FDS Logbook
• Free Bluetooth® iOS/Android app for settings
• Firmware updates as easy as dropping a file on a USB drive

Technical specifications

• Dimensions 42.0 × 35.0 × 12.6 mm (1.65 × 1.38 × 0.50 in)
• Weight 30.3 g (1.07 oz)
• Anodizing type MIL-A-8625F Type II
• Water ingress protection IP67
• Battery Rechargeable lithium ion 3.7V 165 mAh
• Peak alarm output volume 100 dBA @ 10 cm
• Audio type Synthesized tones
• Operating temperature −40° to 65° C (−40° to 149° F)
• Operating altitude −1,800 to 9,160 m MSL (−5,900 to 30,000 ft)
• Relative altitude accuracy ±0.75 m (2.5 ft)
• Sample rate 25 Hz
• Charging temperature range 0° to 50° C (32° to 122° F)
• USB connector USB-C
• Radio Bluetooth Low Energy

Available in black only

Additional information