Dynavox Inc. (Nasdaq: DVOX) shares climbed 38% to $8.35 after the maker of education and communication products for those with learning disabilities reported late Wednesday third-quarter results that beat expectations. Volume for the stock was 1.1 million shares, towering over a daily average of less than 60,000.

For the third quarter ended April 1, 2011, net sales were $28.7 million, an increase of 1.0% compared to net sales of $28.4 million for the third quarter ended April 2, 2010. Sales of the Company’s speech generating devices increased 1.3% to $22.7 million, and sales of its special education software were flat at $6.0 million from the prior year.

Operating income was $3.8 million in the quarter, compared to operating income of $5.3 million in the same period a year ago. Operating income for the third quarter of fiscal year 2011 included a $1.0 million impairment loss related to intangible assets and fixed assets acquired as part of the Company’s product acquisition in July 2009.

Dynavox Chief Executive Officer Ed Donnelly commented, “In spite of the ongoing macroeconomic challenges, during the third quarter we saw some signs of improvements and our consolidated top line was roughly equal to the last year. Sales trends across both devices and software provide validation of our efforts to adapt to the environment as well as the fact that the demand for our products and services remains intact. We are encouraged by the steady sequential upside trend in our U.S. device business, which comprises almost three fourths of our total revenue.”

The Pittsburgh-based DynaVox Inc. completed an initial public offering (IPO) on April 27, 2010. As a result of the IPO and certain other recapitalization transactions, DynaVox Inc. became the sole managing member of and has a controlling interest in DynaVox Systems Holdings LLC and its subsidiaries.