Phonak Lyric4

Fully invisible hearing aid worn day and night for months at a time

Lyric is placed deep in the ear canal by a trained provider and worn continuously, including while sleeping and showering, then replaced on a subscription. It has no Bluetooth or app; volume is adjusted with a magnetic SoundLync tool. Phonak says it is water resistant but not waterproof.

Hearing loss: Mild to moderately-severe
Connectivity: None
Battery: Worn 24/7 for months at a time before the device is replaced; duration varies by wearer
Style: Extended-wear invisible deep-canal

Disposable

Battery · Sealed zinc-air battery (not user-replaceable, not rechargeable)

Who it's good for

Is Lyric4 right for you?

Our audiologists' guide to how this model suits different lifestyles, based on its features. Your hearing test results matter most, so we'll always confirm at your appointment.

Everyday real world

4/5

Natural sound and nothing to insert, charge or clean suits people who want zero daily handling.
Best for everyday →
TV turner-uppers

1/5

No streaming; TV is heard naturally through the ears.
Best for TV →
Golfers and outdoors

3/5

Ear canal placement avoids most wind noise, but it is not waterproof.
Best for golf →
Socialites

3/5

Natural ear acoustics help, but there is no directional processing for noisy groups.
Best for social →
Phone and video calls

1/5

Too small for Bluetooth, so calls are taken with the phone held to the ear.
Best for calls →
Music lovers

1/5

No streaming, so music is heard naturally through the microphones only.
Best for music →
Active and sporty

3/5

Sits deep in the canal, so it stays put during exercise, but keep it dry.
Best for active →

The interesting technical bits

What's inside

Placed deep in the canal, 100% invisible
Analogue chip with ultra-low power use
Seven sizes from XXS to XXL
Sold on annual or shorter subscriptions
24/7 amplification can give tinnitus relief, including at night

About Phonak Lyric4

Specifications

From manufacturer information, checked October 2026. Battery figures vary with streaming and settings. Your audiologist will confirm the right receiver, dome and settings at your fitting.

Brand	Phonak
Family	Lyric
Style	Extended-wear invisible deep-canal
Launched	2020
Hearing loss range	Mild to moderately-severe
Power	Sealed zinc-air battery (not user-replaceable, not rechargeable)
Battery notes	Worn 24/7 for months at a time before the device is replaced; duration varies by wearer
Streaming	None
Hands-free calls	No
Auracast broadcast audio	No
Tinnitus support	Yes, but for tinnitus we recommend Signia or Rexton