Feature

Nexear
200 AFC

Nexear
500 NR

Nexear
800 OTE

Nexear 900 OTE

Style

ITC

ITC

OTE

OTE

100% Digital Signal Processing

Yes

Yes

Yes

Yes

Open Ear/Open Canal Fit

No

No

Yes

Yes

Push Button Memory Selection

No

No

Yes/Two

Yes/Four

Noise Reduction

No

Yes

No

Yes

Music Listening

No

No

No

Yes

Push Button Mute

No

No

Yes

Yes

Reduces Squeal (Whistling)

Yes

Yes

Yes

Yes

Wide Dynamic Range Compression

Yes

Yes

Yes

Yes

Compression Channels

2

4

2

2

Bands

12

12

12

12

Battery Size/Average Hours

10A/75

10A/75

312/225

312/225