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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EW G3/G4 - understanding Pilot Tone

Learn what the pilot tone is in EW G3/G4 wireless mic systems - how it supports squelch, avoids interference and improves signal reliability

EW G3/G4 - receiver has no RF signal

Troubleshoot why your EW G3/G4 receiver shows no RF signal - check RF Mute, antennas, range or distribution system for clear wireless performance.

EW G3/G4 Interference or noise issues

Troubleshoot interference and noise on Sennheiser EW G3/G4 systems - learn how to identify RF issues, check clean frequencies, and optimise wireless performance

EW G3/G4 Multichannel systems

Discover how to co-ordinate frequencies and distribute antennas for EW G3/G4 multichannel systems - best practices for interference-free wireless setups.

XSW 2 Scan and Sync

Learn how to scan for clean frequencies and sync transmitter and receiver in the XSW 2 system - step by step guide to SET SCAN, SYNC and squelch settings.

XSW 1 Scan and Sync

Step-by-step instructions to scan for new frequencies and synchronise XSW 1 transmitters and receivers. Quick guide to SET SCAN, SYNC and squelch settings. Learn more at this article

FAQs Sennheiser | Spectera: RF FAQ

Learn about Sennheiser’s Spectera and WMAS systems - supporting 6MHz or 8MHz bandwidths, flexible frequency variants, and efficient multichannel operation. Discover RF power specs, antenna setup, duplex gap considerations, and quick channel switching for reliable wireless performance.

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.