OSD Audio Pre 1 High Definition Preamplifier � Multi Source Select Phono Ready

OSD Audio�s Pre-1 is a unique preamplifier that accomplishes the subtle audio tasks that takes an ordinary home theater surround sound system up another level.

Optimal Speaker Design is engaged in the design, engineering, and distribution of high-quality home and commercial audio products. Our products range in complexity from simple in-ceiling speakers to whole house audio systems�all with beautiful styling and high-end sound quality.

Our U.S.-based research, development and design team, is supported by a network of cutting-edge acoustical, mechanical and electrical engineers. Together, we create products that combine the latest technology with ease of use for a quality sound experience.

With extensive product and application knowledge, our exceptional team provides you with custom solutions to create the perfect audio solution.