DOREMiDi Community

High-Speed USB MIDI HOST Host Box UMH-21

2022-08-18 01:53:56

DOREMIDI has newly upgraded the "High Speed USB MIDI HOST Box - UMH-21". UMH-21 has the conversion function of USB and MIDI interface, especially suitable for MIDI connection and communication between different musical instrument interfaces. UMH-21 has the characteristics of higher communication rate, more stable transmission and stronger compatibility. When playing MIDI, as a very good accessory, it can be perfectly compatible with all devices with USB MIDI interface. In addition, the USB HOST interface of UMH-21 is upgraded this time, which can support the connection of USB hubs and expand to connect more USB MIDI devices.


Higher Transmission Efficiency

UMH-21 is a high-speed USB MIDI host box, with a standard high-speed USB2.0 USB HOST, the communication rate can reach up to 480Mbps, or 60MB/s, which can ensure smooth MIDI performance and no delay. Multi-instrument and multi-effects are used, even if there are many MIDI messages generated, it can be easily dealt with.

In addition, the MIDI port of UMH-21 adopts a high-speed optocoupler isolator, and the communication response reaches the nanosecond level, which can not only achieve the effect of isolating interfering musical instruments, but also respond quickly to improve the communication speed and stability.


More Compatible

Because UMH-21 is a high-speed host of USB2.0 version, it is compatible with all USB MIDI devices of USB2.0/USB1.0/USB1.1; in addition, UMH-21 adopts standard MIDI five-pin design, which is compatible with MIDI five of all musical instruments The pin interface, even the unpopular musical instrument brand, UMH-21 is also compatible in design. It is guaranteed that users can switch and connect different instruments at any time.


In this upgrade, we changed the USB-B power port to a DC power port, and the power supply range is 5V~12V, which can be used on more musical instruments.


And it is also equipped with a USB hub, after connecting the hub, you can connect 4 USB MIDI ports at the same time.


In terms of MIDI communication data, UMH-21 is compatible with all standard MIDI messages, including common Note commands, CC commands, and custom MIDI data from SysEX and different instrument manufacturers. Ensure that different instruments can also communicate seamlessly, without packet loss and normally.


With Firmware Upgrade Function

Considering that some unpopular instruments, old and other special instruments will have compatibility problems, UMH-21 also designed a firmware upgrade function. Personalized customization is a nice backup feature.


Excellent Industrial Design

The whole body of UMH-21 is made of aluminum alloy, with frosted and brushed craftsmanship, and with shock-absorbing foot pads, it has both a textured appearance and a sturdy shock-absorbing and anti-skid design, which can be suitable for various performance occasions. UMH-21 weighs only 150g, light and easy to carry. In addition, each interface of UMH-21 is designed with indicator lights, which can be debugged more intuitively.


The high-speed UMH-21 is available on Taobao official store. For more information, please pay attention to the official website and official WeChat account.

Taobao shop: HUASHI

Official website:

WeChat public account: DOREMiDi