Califone Sound Alert Stereo Headphone
Califone Sound Alert Stereo Headphone

Califone Sound Alert Stereo Headphone

Brand/Manufacturer: CALIFONE INTERNATIONAL
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Califone Sound Alert Stereo Headphone visibly signals to students and teachers when the headphone volume is louder than recommended. It can be used as a normal headphone without charging the battery, but the warning LED feature will not operate. This durable headphone is based on the rugged Califone monaural headphone, which is the educators standard for listening centers, ELL and ELD and other language learning activities.

Item #DescPkgRewardPrice 
2985PG Stereo Headphone Each $3.30
$98.65
$65.91

Features

  • Califone Sound Alert Stereo Headphone has adjustable headband that fits students of all sizes
  • Made of rugged polypropylene headstrap and ABS plastic earcups
  • Red LED will turn on when the audio level exceeds 85dB
  • Orange LED will light when recharging and turns green once completed and the system is on and operational
  • Permanently attached coiled cord with reinforced connection resists accidental pull out for safety, right angle 3.5mm plug to minimize accidental pull out
  • Slotted baffles prevent access to speaker, avoids accidental puncturing of the speaker cone
  • Noise-reducing earcups lower ambient noise so volume does not need to be as high, as recommended by audiologists for hearing safety
  • Replaceable, cleanable ear cushions for multiple users
  • Includes AC adapter and charging lead (not shown)

Specification

ParticularsSpecification
Mini Stereo Jackbox 1114 Series
Number of Listening Positions4
Contact PointsSilver-plated for better connection and are moisture resistant to prevent corrosion
HousingDurable ABS plastic
Volume ControlAvailable for each headphone
OtherFour 1/4" skid-resistant rubber pads limit accidental movement of the jackbox
Dimensions1.5"H x 3.25"L x 3.25"D
ColorBlue, red, yellow
Listening First Headphones 2800 Series
PlugRight angle 3.5mm mini plug
Cord5.5 foot, straight cord
Headband and EarcupsABS plastic for durability
EarcupsNoise-reducing, adjustable
Ear CushionsFoam-filled leatherette
General
Combined Ship Weight3lb
SafetyBuilt for use in schools, daycare and early childhood centers
ParticularsSpecifications
Listening Stations10 with 1/4" headphone connections
LED LightsRedwill turn on whenever the audio level exceeds 85dB SPL +/- 3dB

Green- the jackbox is on and functioning

Volume ControlSingle control for all attached headphones
CordPermanently attached 6 foot with 1/4" & 3.5mm mini plugs
Contact PointsSilver-plated for better connection and are moisture resistant to prevent corrosion
HousingRugged ABS plastic for durability
Dimensions2"H X 4.25"L X 4.25"D
Weight12oz, shipping weight 1lb
ParticularsSpecification
LED lightsRed will turn on whenever the audio level exceeds 85dB SPL +/- 3dB
Orange indicates the battery is recharging and turns green when fully recharged
Green - the system is on and functioning
Speaker
Size40mm diameter (1.6")
DiaphragmMylar
MagnetFerrite
Impedance600 Ohms each side
Frequency Response40Hz to 18kHz
Sound Pressure Level102db +/- 3dB
Power Capacity20 milliwatts RMS, 150 milliwatts peak
Distortion< 5%
Battery
TypeLi-Ion (included)
Single charge usage under continuous operationApproximately 36 hours
Idle operation timeApproximately 500 hours
Charging time4 hours
General
Volume ControlContinuously variable
CordPermanently attached 6ft coiled cord
PlugNickel plated 3.5mm with detachable 1/4" adapter, right angle with to diminish accidental pull out
Headband and Ear PadPVC (washable)
Headphone CupNoise-reducing, ABS plastic for durability
Weight10oz, shipping weight 1lb
ParticularDimensions
Cone30mm Mylar
MagnetFerrite
Impedance25 Ohms each side+/-15%
Frequency Response20 to 20KHz
SPL110db +/- 3db
R/L output difference3db
Rating InputMinimum: 20mw
Maximum: 30mw
Distortion5%
Transducers40mm Mylar dome driver unit
Sensitivity98dB ± 3dB at 1kHz
Volume ControlNone for student protection
PlugRight angle 3.5mm mini plug
Cord5.5 feet, straight cord
HeadbandAdjustable
EarcupsNoise-reducing, ABS plastic for durability
Ear CushionsFoam-filled leatherette
Weight9.6oz, Shipping weight 1lb
ParticularDimensions
Cone30mm Mylar
MagnetFerrite
Impedance25 Ohms each side+/-15%
Frequency Response20 to 20KHz
SPL110db +/- 3db
R/L output difference3db
Rating InputMinimum: 20mw
Maximm: 30mw
Distortion5%
Transducers40mm Mylar dome driver unit
Sensitivity98dB ± 3dB at 1kHz
Volume ControlYes
PlugRight angle 3.5mm mini plug
Cord6 foot, straight cord
HeadbandAdjustable
EarcupsNoise-reducing, ABS plastic for durability
Ear CushionsFoam-filled leatherette

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Warranty

2 Year warranty for school, business, church and government uses

Customer Reviews

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