Califone Sound Alert Jackbox
Califone Sound Alert Jackbox

Califone Sound Alert Jackbox

Brand/Manufacturer: CALIFONE INTERNATIONAL
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Califone Sound Alert jackbox visibly signals to students and teachers when the jackbox volume is louder than the recommended 85dB level. It is ideal for listening centers, ELL and ELD and other language learning activities. It can also be used without charging the battery, but the warning LED feature will not operate. It conserves its power by shutting off when no audio signal is present for 60 seconds and will power on automatically when there is an audio signal present.

Item #DescPkgRewardPrice 
1285G 2"H X 4.25"L X 4.25"D Each $0.88
$59.99
$43.99

Features

  • Califone Sound Alert Jackbox has 10 learning positions which is large enough for most groups and features silver-plated contacts to prevent crackling sound
  • Rugged ABS plastic casing will not shatter for classroom safety and is more durable
  • Permanently attached 6ft cord with 1/4" and 3.5mm plugs connects with media players and computers
  • Master volume control controls the sound for all listeners
  • Skid-resistant pads under each corner so the jackbox will not scratch the table top
  • Green LED indicates the jackbox is powered and functioning
  • Port for attaching power (adapter included but not shown)
  • Red LED indicates whenever the audio level exceeds 85dB
  • Two predrilled holes to permanently affix jackbox

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 +/- 3dBGreen- 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
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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