Califone Titanium 4-Piece Dual 3.5mm Headphone Pack

Califone
SKU: CLNHPK1034 MFR: HPK-1034
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Made in USA

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$217.99
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About Califone

The Califone Titanium 4-Piece Dual 3.5 mm Headphone Pack includes four HPK-1030 Titanium Dual 3.5 mm Plug Stereo Headphones with Microphone, one WS-CH Charger and one WS-CHP Power Adapter. They help optimize differentiated learning experiences with breakthroughs in safety, performance, comfort and durability.

Built to help students not only learn content material, they are also designed to teach them about appropriate volume listening levels when using a headphone. By integrating Sentinel Technology into the earcup, the volume playback level is restricted to the ASHA-recommended maximum of 85 decibels for safe listening practices (this feature can be disarmed for students with special needs).

The HPK-1030 helps students focus more effectively on the task at hand by blocking the highest amount of ambient (external) noise of any passive headset. Its microphone is also noise-reducing.

Furthermore, school budgets can't afford equipment that won't last the entire year or cause lost learning time and that's why these headphones are built using more rugged ABS plastic (even its cord is thicker than previous models). But longer lasting doesn't automatically mean student comfort, which is why the ear cushions have also been upgraded to be just as long lasting, but feel softer without the accumulated clammy feeling which can come after prolonged use.

Califone Features

  • Softer, more comfortable ear cushions
  • Comfort strap for longer wearability
  • Adjustable head strap rugged enough for daily classroom use
  • Earcups offer the highest passive ambient noise rejection, effectively blocking external distractions to keep students on task
  • Detachable 6' cord is thicker than previous models
  • In-line volume control
  • Dual 3.5mm plugs
  • Noise-reducing electret microphone with reinforced boom for durability
  • Protective slotted baffles guard against perforation of the speakers
  • Sentinel switch on the earcup restricts the volume to 85dB. LED light is earcup is green when the feature is active

Califone Specifications

Washable
Neither the headset, nor the cord are washable on this model
Microphone
Adjustable uni-directional electret (requires bias voltage between 2 to 10 V)
Frequency Response
20 Hz - 20 kHz
THD %
<2% (80Hz - 20 kHz)
Transducers
High efficiency 40mm Neodymium
Headphone Input impedance
50 ohms
Sentinel Technology
Level: 85+/- 3 dB (no weighting)
Construction
Earcups & Headstrap: ABS plastic; Earpads: PVC; Cord: Polyurethane
Battery Usage Time
> 8 hours (depends on battery and usage)
Battery Recharge Time
< 2 hours
Automatic Sleep Mode
If no audio is played through it for 2 minutes
Dimensions
8.25x6.3x3" / 20.95x16x7.62cm
Weight
< 5lbs / 2.26kg
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