Audison, the start of audio giant Electromedia, opened its doors in 1979, releasing high end, Italian built amplifiers. Out of the early years came the creation of the HR100 reference amplifier, now an industry legend. The HR100 broke new ground by being hand-built with the finest materials in the world, an unknown at the time. Over the years, Audison has expanded its line of products to include world-class speakers, subwoofers, as well as the most critically acclaimed digital sound processors. The bit one DSP became a game-changer by providing unlimited tuning options at the tap of your finger. Audison, now a "household" name, is a go-to choice for the true audiophile. 

CDT Audio has been a key player within the speaker design industry since the late 1970s, designing speakers all around the world for OEM clients. In 1999, Kenneth Persson decided it was time to come out with dedicated brand, producing the high quality, handcrafted speakers. Simply, speakers built by fanatics, for fanatics. CDT Audio currently has a three tiered product lineup. The budget priced "CL" or "Classic Series", the middle priced "HD" or "High Definition Series", and the flagship, the "ES" or "Eurosport Series". Soon, CDT and Sound Express will be releasing the new SE line, the pinnacle of high resolution audio. All series are designed for outstandingly neutral, natural, and pure sound, but always with incredible inner detail and dynamic range. CDT Audio has consistently been voted the "world's finest" by Hi-Fi magazines all over the globe.

ESX Car Audio Systems was founded in the mid 1990's by enthusiastic veterans of the US car audio scene with the aim of always creating only the “best of the best”. In collaboration with well-known engineers such as Stephen Mantz, many milestones and classics in the car audio industry have emerged over the course of more than twenty years of success - from the legendary QUANTUM 1 amplifiers to the technological masterpieces of the VISION 1 amplifier series. At the turn of the millennium, the brand was taken over by the German ESX distributor Audio Design GmbH worldwide. From then on, the well-known and valued “German virtues” also influenced the development of the products. By using the latest technologies and well thought-out standard equipment, paired with a timelessly elegant design and proven quality, ESX has developed into a serious player in the field of car audio in Europe. Countless awards, test wins and dream marks in device tests in the local trade press confirm this impressively.

Ground Zero was founded back in 1995 by Karl Felix Lautner distributing car audio products made in USA. In 2003 GROUND ZERO GmbH took over all global trademarks from the discontinued US company and expanded the distribution to customers worldwide. Today, more than 400 sophisticated audio products are developed and designed at the Ground Zero in-house engineering department. The product range includes speakers, subwoofers, amplifiers and further digital audio equipment for enthusiastic customers. Satisfying high demands and quality, Ground Zero carefully monitors every step of the production starting at the development phase using only top-notch tools and highly accurate measurement equipment such as the laser controlled KLIPPEL® system. Amplifier measurements are precisely measured with equipment by Audio Precision® with the results corresponding to the acknowledged CEA 2006-A standard. Without exceptions, every single product is evaluated by extensive testing and quality control prior to its final production release and market launch.

A subsidiary of Electromedia, Hertz Audio was started in 1998 with the goal of creating high-efficiency speakers that handle extreme amounts of SPL. Over the years, the brand has diversified with the release of the energy, high energy, and mille series. From these series comes an assortment of high-quality amplifiers, subwoofers, and digital sound processors. Many of the products are hand made at the Hertz facility in Italy. Of the several series, the Mille series has become the pinnacle of the brand, securing awards from critics around the world. Hertz Audio is a dependable brand to rely on for amazing sound quality.

The Nakamichi name is synonymous with quality and innovation in acoustics and visual products. Nakamichi Corporation had its origins in research on electromagnetism, magnetic recording, acoustics and communications. It started as a research-based organization, commissioned to carry out research and development work for enterprises and government agencies. The Company was initially called Nakamichi Research Corporation Ltd. Founded in 1948 by Mr Etsuro Nakamichi, it has delivered top-quality audio products that incorporate sound, style and substance for over fifty years. Incorporated in Japan. Nakamichi's global presence includes Singapore, China, Hong Kong, Europe, Middle East, United States. It is the pre-eminent leader in manufacturing design-driven audio/visual and multimedia systems. These cherished traditions- of intense curiosity, a love of music and a commitment to uncompromising quality and performance-are behind the products that bear the Nakamichi name.