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Back from the 80s


The Harmony brand was launched in the 1980s, together with the first home loudspeakers produced by ESB. The production of Harmony car speakers began in the 90s, with a wide range of products that combined high quality performance at a lower price than the ESB speakers themselves, yet without ever forgetting the final goal… high-fidelity speaker capable of reproducing the entire sound spectrum.

This year, Harmony returns to the market with a wide range of high-quality products.

Harmony Blue Note & Hard Rock


Why “Blue Note”? It’s derived from the height of the Blue Note jazz record label (1930-1950). It is a way to connect the name of our audio products with important moments in modern music history. This touches the soul of people who are passionate about music, and are therefore the most easily remembered names. Harmony will also use the “Blue Note” brand for all its products that have a “classic” sound quality, inspired by sound quality that distinguishes the high-end audio market. Harmony’s “Hard Rock” name, on the other hand, is used for a sound similar to what we have today in the discotheque. Typical differences include reduced low bass and more efficiency.
This year, Harmony returns to the market with a wide range of products including a 2-way speaker system, a coaxial speaker, and 2 subwoofers, including active under seat and spare wheel models, providing a complete, ready-to-use solution for all customers.

ESB Harmony Series

Active Subwoofers


The most popular products are those that offer a satisfying listening experience that can also be hidden inside the car, just like the original components. We have improved acoustic quality and reliability to the point where we can provide “ready-to-use” powered subwoofers that can be easily installed under the front seats or even inside the rim of the spare wheel!

The HR 10 US is an under seat subwoofer with an integrated Class-AB amplifier. The control panel lets the user set Input Gain, LP Filter, Bass Boost, and Phase to the liking of the listener. The Low and High-Level Inputs guarantee the maximum installation flexibility. The HR 11 SW is an active subwoofer that actually fits inside the rim of the spare wheel, while its die-cast aluminum case makes it sturdy and long-lasting. Easy to install, the HR 11 SW provides a powerful and dynamic sound thanks to a dual voice coil woofer and a 200 Watt Class-D digital amplifier. With the included wireless remote control you can adjust the subwoofer’s volume level, phase (set to non-inverted or inverted), the crossover frequency (from 50 to 150Hz), and the bass boost (up to 12dB of boost).

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