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Looking for a powerful, weather-resistant outdoor wash light with vibrant colors and flexible control options? This article introduces the City Color 120 IP - an RGBWA LED fixture with IP65 protection, designed for professional outdoor applications. Explore why it’s the ideal choice for large-scale lighting projects, available exclusively at Hoàng Bảo Khoa.

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.

In modern spaces such as auditoriums, karaoke rooms, bars, clubs, lounges, or cafe, the sound and lighting system plays a decisive role in shaping the audience’s and customers’ experience. However, installing such systems is far more complex than simply purchasing speakers or lights and placing them in a room - it requires precise planning in design, acoustic treatment, stage lighting layout, and operating cost optimization. In this article, Hoang Bao Khoa will walk you through the essential factors to consider when setting up sound and lighting systems for auditoriums, karaoke venues, bars, cafés, and other professional spaces.

Are you looking to buy a professional conference microphone? Hoang Bao Khoa provides high-end conference microphone systems and offers expert consultation to help you choose the most suitable model for your specific needs. Discover our top recommendations in this article.

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.

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?

Learn about DSS and TSS spider systems, Elliptical Shape horns, Class D optimization (iD), and IPAL integration - technologies that improve stability, directivity, and amplifier matching.

Discover Eighteen Sound technologies for distortion control and improved transient response: SDR, DDR, AIC, ACS, TPM, and proprietary phase plug 3P.

Explore the advanced motor and voice coil technologies from Eighteen Sound: ISV, TTC, Dual Gap (DG), and EWAL, improving linearity, cooling, and power handling.

The Behringer HD400 is a 2-channel Hum Destroyer designed to eliminate ground hum and unwanted noise from audio signals. While it performs very effectively, in certain cases related to specific equipment or the venue’s electrical system, users may still encounter residual noise. This article will help you understand how to install, connect, and troubleshoot the HD400 for optimal performance.