Explore professional audio solutions from world-class brands at Hoang Bao Khoa: speakers, mixers, amplifiers, microphones, and signal processors for studio, stage, and touring,...
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FAQs Sennheiser | Setting up multiple EW-D systems

Easily manage multiple EW-D wireless systems with the Smart Assist app. Add and sync multiple receivers, use the EW-D ASA Antenna Splitter for up to 8 channels, optimize antenna alignment, power receivers efficiently, and pair transmitters quickly for seamless multi-system operation.

FAQs Sennheiser | Autoscan & Paring Sennheiser EW-D

Simplify your EW-D wireless setup with the Autoscan feature. Quickly find the best available frequency directly from your receiver or via the Smart Assist app for seamless device management and optimal performance. Learn more in this article.

FAQs Sennheiser | Smart Assist overview EW-D

Easily control your EW-D wireless system with the free Smart Assist app for Android and iOS. Add and sync devices, adjust settings, manage multiple receivers, check transmitters, lock functions, set frequencies, and update firmware directly from your phone or tablet.

FAQs Sennheiser | Main set up Sennheiser EW-D

Quick start guide for the Sennheiser EW-D wireless system: attach antennas, connect one audio output to a mixer or amplifier, power the receiver, batteries into the transmitter, and download the Smart Assist app to complete setup. Learn more i this article.

FAQs Eighteen Sound | Understanding DC Offset - Causes, Effects, and How to Solves It

DC Offset can reduce loudspeaker performance and shorten its lifespan. Learn what causes DC Offset, its impact on speaker behavior, and how Eighteen Sound designs overcome this issue for superior stability and durability.

FAQs Sennheiser | Troubleshooting your EW-DX System - Dante

EW-DX Dante modes: Single Cable (control + Dante), Split (separate networks), Redundant (backup network). Configure and route via Dante Controller. Learn more at this article.

FAQs Sennheiser | Frequency scan with WSM

WSM frequency scan: connect all EW-DX devices, enable Online Mode, scan via Frequency Manager, analyze spectrum, coordinate, allocate, and sync transmitters. Below are steps on getting a frequency coordination going in WSM.

FAQs Sennheiser | Updating Sennheiser EW-DX firmware

With the EW DX, you can either be updating the firmware with Wireless Systems Manager software (Mac + PC) or Control Cockpit (Windows only) depending on what the end goal /deployment of the system is.

FAQs Sennheiser | Initial set up EW-DX Tutorial

EW-DX initial setup: attach antennas, connect audio outputs, power receiver (PoE or IEC), transmitter batteries, and install control software for update. Learn more at this article.

FBT Column Speaker - Clear Coverage & Echo Control Solution for Medium to Large Venues

When designing a sound system for medium to large spaces such as auditoriums, churches, conference halls, or hotel lobbies, one of the biggest challenges lies in managing echo, unclear sound, and uneven coverage. Column speakers have become an ideal solution thanks to their excellent vertical dispersion, reduced ceiling/floor reflections, and precise directional control. Discover more about this professional sound solution in the full article below.

Professional Audio Solutions

Premium Sound Equipment for Every Application

At Hoang Bao Khoa, we provide a complete range of Professional Audio equipment designed to deliver clear, powerful, and reliable sound performance. Whether you’re building a live sound system, upgrading a recording studio, or setting up for touring and events, we bring you top-tier solutions from globally recognized brands.

Comprehensive Audio System Lineup

Speakers & Line Arrays: Deliver dynamic sound coverage for any venue size.
Mixers & Digital Consoles: Intuitive control and pristine audio processing.
Power Amplifiers: Efficient amplification with clean, consistent output.
Microphones: Wired and wireless options for vocals, instruments, and presentations.
Signal Processors & Interfaces: Optimize sound performance with precision tools.

Trusted by Professionals

Our Professional Audio solutions are trusted by sound engineers, rental companies, and event organizers across Vietnam and beyond. We proudly represent industry-leading brands such as Sennheiser, FBT, Midas, Behringer,...