Wireless Headphone Comparison Chart
| |
CLS721 |
CLS725 |
CLS729 |
HIR-HP1 |
HIR-KT1 |
MSRP |
$68 |
$68 |
$68 |
$57 |
$96 |
Reception Range |
100'+ |
100'+ |
100'+ |
20' line of sight |
20' line of sight |
Frequency |
72.1 mHz |
72.5 mHz |
72.9 mHz |
infrared |
infrared |
Color-coded hardware |
yellow |
blue |
green |
- |
- |
Individual volume controls |
on earcup |
on earcup |
on earcup |
on earcup |
on earcup |
Rugged ABS plastic earcups & headband |
yes |
yes |
yes |
yes |
yes |
Built-in antenna |
yes |
yes |
yes |
yes |
yes |
Rechargeable nickel metal hydride battery |
yes |
yes |
yes |
2 "AAA" |
2 "AAA" |
Hours of operation on a single charge |
6 hours |
6 hours |
6 hours |
>8 Hours |
>8 Hours |
AC adapter |
yes |
yes |
yes |
- |
- |
Wireless transmitter |
CLS721T |
CLS725T |
CLS729T |
- |
USB Adapter |
Automatic sleep mode |
- |
- |
- |
yes |
yes |
Warranty for school use |
1 year |
1 year |
1 year |
1 year |
1 year |
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