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1   PA419
2   3066-USB & 3066AV
3   3068 Series
4   CLS7XX Series
5   2800 Series
6   2455AV-04
7   PA919SD
8   PA919
9   2385 & 2395 Series
10   PA329


Califone encourages the use of published peer-reviewed research supporting individual, small group and classroom-wide sound amplification. These references are intended only as beginning reference points and n expanded list of journals and original source materials can be found from some of these association web sites.

In order to organize the following research so it might be more readily accessible to certain products, we have grouped them by the following categories.

Classroom Wide Audio Amplification

The leading instructional tool to increase fluency is for students to hear fluent reading daily. Oral reading can, indeed, foster comprehension. By listening to their teacher read aloud to them over the course of the school year, students achieved better vocabulary and comprehension skills than students who have not been read to regularly by the teacher.

Rasinski, 2003

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Personal Sound Fields / Media Players

Repeated reading of text can help readers improve fluency. Listening to audio books several times will help our targeted struggling readers to develop fluency which in turn will lead to better comprehension of text. March 2005

The Reading Teacher 2005

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State Report Cards
many students start out with high motivation, but persistent failure causes them to lose it. Technology provided ... will create learning experiences that are engaging and motivating for students. Skinner, Ronald, "state Report Cards." Education Week 02774232, 1/6/05, Vol 24 issue 17. Database: Professional Development Collection

Chard, Cooper and Kiger, in The Struggling Reader 2006

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Students who are taught to read in an audio rich environment are far better at obtaining information and develop their literacy skills far quicker than their counterparts who do not receive their advance learning. The study goes on to conclude that students being taught in an audio rich environment are showing massive gain in reading on state Criterion-Referenced Competency Test.

Harris-Hall Educational Foundation 2005

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White Papers

Positioning Microphones
Correct microphone placement and positioning can have a dramatic effect on the quality of sound.

ProAV Magazine,  February, 2008

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Take the califone.com website tour
Despite a 1:1 goal with mobile devices in class, students still share them or sometimes work together on one
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Join us in Atlanta, October 4-6th

Join us in New Orleans (10/28-30) as we exhibit audio solutions at EdSpaces, the gathering place for architects, facility planners, designers, administrators and eductional resellers to enhance student learning.

Come to Orlando and check out the latest headphones & headsets for early childhood learning at our booth #1236

October 6th, 2015

2015 Catalog

OPEN Our New
Digital Catalog

Download the 2015 catalog

Located in Marietta, Georgia, outside of Atlanta, Daniell Middle School has projector systems and laptop computers installed in multiple classrooms for teachers to use during whole class instruction. Serving nearly 1,000 middle school students in grades 6-8, educators and staff understand the role technology can play in engaging today's media-savvy students....[more]

With the Califone 2455AV media players, music students can play either CDs for music instruction from a music series or cassettes for special songs I've recorded in the past. We can even use the built-in condenser microphone to record classroom performances to analyze them later....[more]

The Spirit™ multimedia player is used as a listening center for reading and ILA by our K-5 students....[more]

We are offering unprecedented bargains on limited quantities of these discontinued items. Available on a first come, first served basis...[view]
Read more about the research on classroom wide audio amplification:

Installed PAs


Read more about the research on personal sound fields:

Learning Centers-no media player

Learning Centers-with media player