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Model |
Earphone |
Headphone |
Neckloop |
Technology |
Microphone |
Noise Suppressor |
Display |
2.5mm jack |
3.5mm jack |
Other jack |
Telecoil Mode |
Batteries |
Battery Life |
Volume Control |
Tone Control |
Amplification |
TV Viewing |
Music Listening |
Phone Listening |
Range |
Automatic Gain Control |
Boost Control |
Add-on Receivers |
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digital signal processing |
omnidirectional condensor mic |
10 channel dynamic noise suppressor |
LED display |
2.5mm auxiliary stereo jack |
3.5mm stereo headphone jack |
high capacity line output for earphone, headphone, neckloop |
telecoil mode use w/neckloop |
2 AA alkaline |
up to 150 hours battery life |
9 step volume control |
tone control |
140dB SPL w/optional stetoclip accessory |
TV viewing w/optional TV mic accessory |
music listening w/optional cable kit accessory |
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earphone included |
no headphone |
no neckloop |
Clarity Power |
internal mic |
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3.5mm headphone jack |
3.5mm mic/input jack |
neckloop compatible |
2 AAA NiMH |
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volume control |
tone control |
40dB amplification |
TV viewing |
music listening |
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automatic gain control |
max boost switch |
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Comfort Contego |
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digital wireless FM |
internal omni/directional mic |
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LCD display |
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neckloop/headphone |
neckloop compatible |
Li-Ion |
up to 16 hours battery life |
volume control |
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40dB amplification |
TV viewing w/sound kit |
music listening w/sound kit |
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75 feet |
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add-on receivers |
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earphone included |
headphone included |
no neckloop |
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internal omnidirectional mic |
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earphone, headphone, neckloop mic |
neckloop compatible |
1 AAA NiMH |
15-20 hours battery life |
volume control |
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40dB amplification |
TV viewing w/optional TV kit |
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phone listening w/optional phone kit |
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earphone included |
no headphone |
no neckloop |
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TV viewing |
music listening |
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2 earphones included |
no headphone |
no neckloop |
95kHz |
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TV viewing |
music listening |
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45 feet |
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1 earphone included |
no headphone |
no neckloop |
95kHz |
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TV viewing |
music listening |
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45 feet |
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earphones available |
headphones available |
neckloop available |
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omnidirectional mic |
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3.5mm mono earphone jack |
3.5mm mic jack |
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2 AA alkaline or NiMH |
up to 100 hours battery life |
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tone control |
25dB SPL |
TV viewing |
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earphones available |
headphones available |
neckloop available |
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3.5mm mic headphone jack |
3.5mm mono mic jack |
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2 AAA alkaline |
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volume control |
tone control |
50dB SPL |
TV viewing |
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no earphone |
headphone included |
no neckloop |
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internal mic |
volume limiter |
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audio auxiliary jack for mic or IR receiver |
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Sennheiser BA 121 |
10-12 hours battery life |
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30dB amplification |
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8-10 feet |
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earphone included |
no headphone |
no neckloop |
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automatic level control |
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1 AAA |
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no earphone |
headphone included |
no neckloop |
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internal mic |
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3.5mm stereo headphone jack |
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2 alkaline |
up to 150 hours battery life |
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40dB amplification |
TV viewing |
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earphone included |
no headphone |
no neckloop |
20Hz-20kHz |
internal mic |
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2 AAA |
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120dB amplification |
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100 feet |
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no earphone |
no headphone |
neckloop included |
FM |
omnidirectional mic w/zoom feature |
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telecoil mode |
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up to 8 hours battery life |
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TV viewing |
music listening |
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150 feet |
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no earphone |
headphone included |
no neckloop |
72-76MHz FM |
external mic |
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2.5mm mic jack |
3.5mm auxiliary jack |
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AA NiCAD |
up to 12 hours battery life |
volume control |
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100 feet |
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]