Best Audio Only Baby Monitor

VTech Upgraded Audio Baby Monitor with Rechargeable Battery, Long Range, and Crystal-Clear Sound

VTech Communications DM221 Audio Baby Monitor with up to 1,000 ft of Range, Vibrating Sound-Alert, Talk Back Intercom & Night Light Loop, White/Silver

Motorola Nursery PIP15 Audio Baby Monitor, Dual Room HD Infant Monitor with Nightlight, 1500 Ft. Range, Two-Way Talk, Includes Parent Unit, 2 Monitors

Motorola Nursery AM21 Audio Baby Monitor - 1000ft Range, Secure & Private Connection, High-Sensitivity Mic, Volume Control, Portable Parent Unit (Outlet or AAA Battery Powered (NOT Included))

VTech DM1211-2 DM1211 Digital Audio Baby Monitor with Enhanced Range (2 Parent Units) Silver

Motorola Nursery PIP12 Audio-Only Travel Baby Monitor, Portable with Rechargeable Batteries, 1500ft Range, Includes Water-Resistant Travel Case

Philips AVENT Audio Baby Monitor Dect SCD502/10

VTech DM1111, Enhanced Range Digital Audio Baby Monitor, 1 Parent Unit, White

Motorola Digital Audio Baby Monitor with up to 990ft of Range with High Sensitivity Microphone and Rechargeable Battery(Model:Comfort 10)

VTech DM271-102 Audio Baby Monitor with Glow-on-Ceiling Night Light, Open or Closed Door/Window Sensor, Vibrating Sound-Alert, Talk Back Intercom & Belt Clip