Tripath Powers Panasonic's New High Power In-Dash Car Audio Head Units; TCD6001 and TPS4100A Are Featured in 3rd Generation of High-Power Head Units

LAS VEGAS—(BUSINESS WIRE)—Jan. 6, 2006— Tripath Technology Inc. (OTCBB: TRPH), creators of Class-T(R) Digital Audio Amplifiers, announced today that its TAA4100A and other products will power Panasonic's 3rd generation of high-power automotive in-dash head-units. The new lineup will include 5 models, the CQ-C8803NC, CQ-C8803UC, CQ-C8803WC, CQ-C7703NL, and CQ-C7703WL, that feature high power Class-T outputs.

Two years ago, Panasonic released the CQ-C9800U, which was the first 70 watt, 4-channel car audio head unit; setting a new power record in the industry as it doubled the output power of the nearest competitor. The added power in these head units eliminates the need for consumers to install an external power amplifier when upgrading their car stereos.

Tripath's digital amplifier solutions include both analog and digital input versions. The TAA4100A is a fully-integrated analog-input solution for automotive head units. The TDC6001 is a digital-interface Class-T controller that can be connected to the TPS4100A power stage to provide 4 channels of high power output. Both power stages can produce 100 watt square wave per channel, into 4 ohms. The combination of Tripath's controller and power stage results in a compact, efficient, cost effective and extremely powerful combination.

"The Tripath solution allows our head units to provide much more power than many external amplifiers, giving our customers great sound and added value," said Ariyasu Amada, a Manager for Panasonic's Automotive Systems Group.

Because of their high efficiency, Tripath's Class-T digital amplifiers can provide more than twice the normal power from a head unit. The TDA4100 produces only 1/8 the heat of a traditional Class-A/B amplifier under normal operating conditions. Class-T also preserves signal fidelity significantly better than other commercially available switching amplifiers, allowing it to be used for full-bandwidth applications like Panasonic's head units.

About Tripath Technology Inc.

Based in San Jose, California, Tripath Technology Inc. is a fabless semiconductor company that focuses on providing highly efficient power amplification to the digital media consumer electronics and communications markets. Tripath owns the patented technology called Digital Power Processing(R) (DPP), which leverages modern advances in digital signal processing and power processing. Tripath markets audio amplifiers with DPP under the brand name Class-T(R). Tripath's current customers include, but are not limited to, companies such as Alcatel, Alpine, Hitachi, JVC, Sanyo, Sharp, Sony and Toshiba. For more information on Tripath, please visit Tripath's web site at

About Panasonic (Matsushita Electric Industrial)

Matsushita Electric Industrial Co. Ltd., best known for its Panasonic, National, Technics and Quasar brand names, is a worldwide leader in the development and manufacture of electronics products for a wide range of consumer, business and industrial needs. Based in Osaka, Japan, the company recorded consolidated sales of $62.19 billion (U.S.) for the fiscal year ended March 31, 2003. In addition to the Tokyo and other Japanese stock exchanges (6752), Matsushita's shares are also listed on the Amsterdam, Dusseldorf, Frankfurt, New York, Pacific (NYSE/PCX "MC") and Paris stock exchanges. More information is available on the Matsushita Web site at

Safe Harbor Statement

Certain statements in this release concerning Tripath's leadership position in the digital amplifier market, when and if Tripath or Panasonic will launch new products, including the designs for the CQ-C8803NC, CQ-C8803UC, CQ-C8803WC, CQ-C7703NL, CQ-C7703WL, and CQ-C9800U and utilization of TAA4100, TAA4100A, TDC6001 and TPS4100A and the benefits therefrom contain forward-looking statements that involve a number of risks and uncertainties. Actual results could differ materially. The risks and uncertainties include many factors, such as silicon wafer pricing and the availability of foundry and assembly capacity and raw materials, availability and pricing of competing products and technologies that would affect sales and pricing of our products. We may experience fluctuations in the manufacturing yields of our third-party semiconductor foundries and other problems or delays in the fabrication, assembly, testing or delivery of our products. We may not be able to specify, develop or acquire, complete, introduce, market and transition to volume production new products and technologies in a timely manner. Further information regarding these and other risks and uncertainties is included in the Company's United States Securities and Exchange Commission filings, particularly our Annual Report on Form 10-K for the year ended September 30, 2005 filed with the Securities and Exchange Commission on December 15, 2005 as amended.

Tripath Technology Inc.
Shawn Scarlett, 408-750-3086 (Editors)

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Jeffrey L. Garon, 408-750-6801 (Investors)

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