Wireless Microphone

Wireless Microphones offer clear sound and freedom of movement for performers and speakers. Hoang Bao Khoa provides genuine products with installation and support services.
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Can I use an EW-DP / EK receiver with a guitar pedal?

The EW-DP receiver is a compact device primarily designed for camera-mounted wireless setups. However, thanks to its convenient size and versatile form factor, it can also be effectively used as a wireless receiver mounted on a guitar pedalboard.

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?

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.

Sennheiser EW-DX SK 3-PIN - Bodypack Transmitter for the Evolution Wireless Digital System

Are you looking for a truly stable wireless bodypack transmitter for performances, teaching, or livestreaming? Many microphone systems disappoint due to signal interference, unstable connections, or difficulty in long-term management. This article helps you explore the solution from the Sennheiser EW-DX SK 3-PIN – a trusted choice among professional audio engineers.

Sennheiser EW-DX EM 4 - 4 Channel Receiver for Evolution Wireless Digital Systems

Are you setting up a microphone system for a conference room or performance stage but struggling when multiple channels need to be received simultaneously? This article introduces the solution from Sennheiser’s EW-DX EM 4 - a leading brand in professional audio.

Workshop EW-DX by Hoàng Bảo Khoa x Sennheiser | 18.09.2025

Are you ready to step into the digital era? As RF technology advances and the number of active frequencies continues to grow, how can you upgrade and optimize your audio system for the next stage performance? Join the EW-DX Workshop with Hoàng Bảo Khoa x Sennheiser on September 18, 2025, to explore the next-generation digital wireless microphone solutions – gain insights directly from Sennheiser experts and receive exclusive valuable gifts.