Model
Price
Configuration
Connection
Microphone
Power
Requirements
Volume
Control
Notes
CA- 2
$11
On-ear ambient
noise-reducing
ear cups
6' cord with
3. 5 mm plug
No
None
No
Class set available:
30 headsets
for $234
3066AV
$50
Around-ear ambient
noise-reducing
ear cups,
adjustable,
padded headband
7' cord with
3. 5 mm plug
Omnidirectional
microphone
None
Yes
Class set available:
10 headsets
for $550
W901-MULTI
$79
Around-ear,
adjustable
Wireless
( 4 frequencies)
No
Rechargeable
battery, 8-hour
charge time for 40
hours operating
time
No
Listening center
includes 10
headphones and
wireless transmitter
with iPod dock
for $685
H800
$100
Laser-tuned drivers,
digital stereo equalizer
2. 4 GHz wireless,
40' ( 12 m) range,
Bluetooth enabled
Noise-canceling
microphone
Rechargeable
battery or USB port,
6-hour operating
time
Yes
On-ear adjustments
for volume,
switching tracks,
mic muting,
answering calls,
switching devices
Audio 655 DSP
$50
Around-ear stereo
USB
6. 5' cable
Noise-canceling
microphone with
adjustable boom
No
Yes
Rotate-to-mute mic,
Skype compatible
RS 120
$100
Over-ear headphones
0.9 GHz wireless RF,
328' (100 m) range
No
AAA batteries
Yes
Includes transmitter
for recharging and
cradle
MDR-ZX100
$20
On-ear, noise-reducing,
adjustable headband
L-shaped stereo
mini-plug
Multilayer dome
diaphragm
No
No
Available in white
or black
