Microphone at Hoang Bao Khoa

Discover a wide range of microphones for conferences, performances, and recording. Hoang Bao Khoa distributes genuine microphones from top brands with full technical support.
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RF FAQs in Sennheiser Systems | Hoang Bao Khoa

Have you ever wondered why Sennheiser chose to develop wideband WMAS technology instead of traditional narrowband wireless microphones? Or how Spectera can transmit multiple audio channels within a single TV channel while maintaining excellent stability and minimal interference?

Behringer XM8500 - Troubleshooting Poor Sound Quality And Background Noise

The Behringer XM8500 is a professional dynamic microphone, designed to deliver consistent and reliable performance. However, during use, some users may experience poor sound quality, excessive background noise, or weak signal output. In most cases, these issues are not caused by product defects but rather by improper connection or incorrect setup.

Workshop EW-DX - The Next-Generation Wireless Microphone Solution from Sennheiser

On September 18, 2025, at Adora Premium - District 7, Hoang Bao Khoa, in collaboration with Sennheiser, successfully hosted the EW-DX Workshop - Elevating Wireless Microphone Solutions. The event welcomed over 300 attendees, including businesses, sound engineers, and event organizers, creating a highly engaging space for in-depth discussions and practical exchanges.

EW-DX SK, SKM Low Cut

The EW-DX SK has a setting range of off to 120Hz. The EW-DX SKM has a setting range of 60Hz to 120Hz. The reason the SKM does not go below 60Hz is due to control any handling noise that may become audible for going below 60Hz.

EW-D Auto Scan and Sync

The EW-D features Auto Scan functionality to streamline set up and optimize functionality with added Smart Assist App control.

EW-D Firmware Update

The Sennheiser EW-D digital wireless system is supported by firmware updates which allow us to add new features, fix bugs and improve/enhance the operation of the system. It is recommended to ensure the firmware is updated to the latest version for best performance.

EW-DX System Configurator

EW-DX systems can be configured using either Sets or Individual components.

Enhanced Security Features for EW-DX

EW-DX Firmware 4.0.0 adds enhanced security features for EW-DX devices

Enhanced Security Features for EW-DX

In some cases, when updating the firmware of an EW-D device, the process may not complete successfully, causing the unit to appear as “faulty” in the application. This is an integrated safety feature designed to allow recovery in the event of an error during the update. The issue can result from an unstable Bluetooth connection or a power loss during the update process.

Why Are Neumann Microphones So Expensive?

Neumann microphones cost a bit more than most competitors’ offerings, but does that mean they’re expensive? Or is the price justified, because of the high quality a Neumann microphone offers?