Updated 31 Oct 2016


AC401 Movement & Sound

Snapshot: The Angelcare AC401 Movement & Sound baby monitor has a large number of features. But how does it perform?

AC401 Movement & Sound
Consumer score
Avg price



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Test results

Overall score
Ease of use

Good points

  • Excellent sound range.
  • Very good sound quality.
  • Good sound sensitivity.
  • Easy to use.
  • Baby unit can run on batteries for outdoor use.
  • Has night light.
  • Has a movement sensor.
  • Has room temperature monitor with alarm.
  • Has sound level display.


No obvious bad points.

How we test

Overall score includes:

Audio/video monitors:
Picture performance (30%)
Sound performance (40%)
Ease of use (30%)

Audio-only products:
Sound performance (70%)
Ease of use (30%)

Performance assesses:
Sound range (how well it transmits through indoor walls).
Sensitivity and sound quality (whether the baby unit picks up soft sounds and how well the parent unit reproduces them).
Picture quality (of video monitors).

We also check for interference from a microwave or a digital cordless phone – and whether the monitor causes interference in a TV or a digital cordless phone.

Ease of use assesses:
The size and clarity of the labels, indicators and controls.
How easy it is to operate the controls and set up the unit.

Prices are from a November 2017 survey.

Key data


Avg price


Audio & motion
Battery on baby unit
Battery low indicator


Video monitor
Movement sensor
Yes - includes pad, alerts when no movement is detected
Room-temperature monitor
Sound indicator lights
Night light
Portable parent unit
Belt clip
2-way audio communication (talk to baby)
Plays a tune/s (e.g. lullaby)

More Info

Motion sensor pad not tested.

Member reviews