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The new Harmony Blue Note Series.





Why “Blue Note”? It comes from the Blue Note Jazz time (1930-1950). It is a way to connect name of audio products with important moments of the modern music history. This touches the soul of people who are passionate about music, and the most easily remembered names

The Harmony brand was born in the 80s, with a wide range of products that combined high quality performance at an affordable price, but without ever forgetting the final result, that is a product capable of reproducing with high fidelity the whole sound spectrum.

This year Harmony come back to the market with a wide range of DSP/Amplifiers, from 6-ch. to 10-ch. DSP, with integrated amplifier, BT streaming and Music Player. A range that will grow in the future with more and more products in order to offer a complete range of audio equipments and meet the needs of all enthusiasts.

The ST-HB Series

Zapco presents the new Harmony Blue Note Series with "Charlie", "Duke" and “Louis”. Charlie (model HB 46 ADSP) is a 6-Ch. DSP with integrated 4-Ch. Power Amplifier in only 13,5 x 11,5 x 4,5 cm. The full functions GUI provides a 15-bands EQ and a complete set of DSP tools, with I/O management, crossover, phase/delay. And you can do your setup with the mobile Apps. Charlie also has a quality BT streaming and an integrated Player for high quality music files. The integrated amplifier delivers 4 x 70 watts of maximum power. OEM integration is guaranteed by 4-Ch. high-level inputs. Duke (model HB 48 ADSP) and Louis (model HB 410 ADSP) share all the functions above, but they have an 8-Ch. DSP (Duke) and a 10-Ch. DSP (Louis) with 31-bands EQ, in a 16 x 11,5 x 4,5 cm little longer chassis. Louis has a 8-Ch. amplifier that delivers 8 x 70 watts of maximum power.

With the optional remote control, now available in two different models, it is possible to control Main and Subwoofer volume, choose your present and source, and select the previous or next song in Music Player mode.


A full line of DSP/Amplifiers

PC Control Program

The DSP PC GUI gives you all the great sound and functionality you need. The Preset button is where you will save setups to memory presets and load setups from those saved. With the I/O Matrix you can manually determine which inputs will be used for each output and how much of each input the output will receive. With High-Pass and Low-Pass Filter you can type in the frequencies and choose the crossover style and slope. The EQ offers 15-bands (HB 46 ADSP) or 31-bands (HB 48 ADSP, HB 410 ADSP) of Graphic or Parametric EQ for each output channel and you can vary Frequency, Gain, and Q for each band. The Output Channels section is for Speaker Assignment, Delay, Levels and Polarity to be sure all speakers are in phase with each other. At the end, you can also Reset, Link or Lock Output Channels. From simple to advanced, the GUI has you covered.


Full Control with mobile phone. And we added a Music Player.

Simply connect your smartphone via BT (included inside all HB models), and with the totally new customized APP you can now control and setup your system with your smartphone. The goal is to have a control system that made sense in a smaller platform but would allow the user to do everything necessary for a complete setup and tune with a smartphone or tablet. Input selection, I/O Matrix, High and Low-Pass Filter, Graphic or Parametric EQ, Speaker Assignment, Delay, Levels, Polarity and all the DSP tools you need.


With the added Music Player you can now also navigate and listen to your favorite song. To use the Music Player you need to connect an USB device with proper audio files inside. Supported formats: MP2.3.4, WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC

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