Alarm/siren loudness (if included)

Alerts are typically configurable beeps/chirps for states like door left open/unlocked and can often be muted or toned down. Reviewers generally find them useful for awareness, but they’re not framed as a full-volume siren replacement.

Audio/alarm volume is adjustable in the app and reviewers note it can be loud by default during setup; the ability to tune or mute sounds is a plus, but audio quality for doorbell recordings was criticized by at least one reviewer.

The built-in speaker is generally described as clear and loud enough for doorbell sounds and two-way talk, with adjustable volume. However, it does not tie into a traditional wired chime; most setups rely on Alexa/Echo devices or a HomeBase for indoor chimes.

The lock provides audible chirps/voice prompts and a door-not-locked alarm, with adjustable volume levels and do-not-disturb options. Loudness is generally adequate for awareness rather than a full security siren.

The built-in alarm exists on most configurations, but reviewers disagree on loudness: some call it very loud or irritating, while at least one source describes it as relatively quiet in practice.

Audio output is described mainly through the built-in doorbell and alarms: volume is adjustable in-app and generally reported as loud enough, but there is little objective measurement of siren output.

An alarm is mentioned for failed attempts and jam events, and some demos show volume controls, but loudness itself is not rigorously evaluated in the reviews.

The lock provides audible prompts and alarms, and some reviews like the adjustable volume options; others find default voice volume loud or note that certain door-open alarms can be inconsistent.

The lock includes audible feedback and alarm-related settings (including volume/muting and Do Not Disturb in some ecosystems), but reviews do not deeply quantify siren loudness. The emphasis is on configurable audio cues rather than raw volume.

Sound feedback is polarizing: the lock offers volume controls, but multiple reviewers still find the lowest setting too loud and wish silence or finer-grained control were available without relying on the Level app.

The built-in alarm is widely described as present but not very loud. It functions more as a local deterrent than a house-wide siren.

Reviews note no built-in alarm/siren, so there is no siren loudness benefit to rely on.