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Stay up to date with electroacoustic applications and Leiyu company news

Toward High Efficiency and Max SPL: The Technological Evolution of Class-D Amplifiers and Active Speakers

Toward High Efficiency and Max SPL: The Technological Evolution of Class-D Amplifiers and Active Speakers

Modern Class-D switch-mode amplification has transcended early legacy fidelity compromises through wide-bandgap semiconductors, post-filter feedback, and active power factor correction, enabling unprecedented power density, thermal headroom, and transient accuracy in high-output professional sound reinforcement.

2026-10-08 Technical Center
Neodymium vs. Ferrite Drivers: The Audio Integrator’s Guide to Weight, Thermal Dynamics, and Real-World ROI

Neodymium vs. Ferrite Drivers: The Audio Integrator’s Guide to Weight, Thermal Dynamics, and Real-World ROI

A field-tested comparison of neodymium and ferrite motor structures, analyzing magnetic flux efficiency, thermal power compression, rigging safety margins, and long-term project economics for commercial AV integrators.

2026-09-12 Technical Center
Sound Reinforcement for Column-Free Grand Ballrooms: Integrating Distributed Point Sources with Delayed Fill Speakers

Sound Reinforcement for Column-Free Grand Ballrooms: Integrating Distributed Point Sources with Delayed Fill Speakers

Column-free grand ballrooms present severe reverberation and visual challenges that make brute-force line arrays impractical. This technical guide outlines how to design, align, and power a distributed point-source system with delayed fill speakers to deliver uniform sound pressure levels (SPL) and pristine speech intelligibility across expansive banquet layouts.

2026-09-04 Technical Center
Comprehensive Troubleshooting Guide: Rooting Out System Noise (Hiss and Hum) in Professional Stage Sound Reinforcement

Comprehensive Troubleshooting Guide: Rooting Out System Noise (Hiss and Hum) in Professional Stage Sound Reinforcement

Master the art of pristine sound by eliminating hiss, hum, and ground loops in professional audio setups. Learn practical troubleshooting techniques, from gain staging to digital network integration, to ensure zero-noise live performances.

2026-08-26 Technical Center
The Era of Smart Amplifiers: Remote Cluster Control and Networked Audio Management via DSP Monitoring Software

The Era of Smart Amplifiers: Remote Cluster Control and Networked Audio Management via DSP Monitoring Software

This guide breaks down how networked smart amplifiers and real-time DSP telemetry transform pro-audio workflow, eliminating rack-room guesswork, protecting multi-way arrays, and streamlining complex multi-zone commissioning.

2026-08-17 Technical Center
Mastering Feedback Suppression and Multi-Channel Amplifier Gain Control in Professional Audio Systems

Mastering Feedback Suppression and Multi-Channel Amplifier Gain Control in Professional Audio Systems

Master the critical balance of gain staging and DSP-driven feedback suppression to ensure high-headroom, distortion-free audio in complex acoustic environments.

2026-08-10 Technical Center
Ultimate Guide to Professional Stage Line Array Systems: Safe Rigging & Precise Angle Calibration

Ultimate Guide to Professional Stage Line Array Systems: Safe Rigging & Precise Angle Calibration

Master the mechanics of line array suspension and precise splay angle calibration to ensure uncompromised acoustic coverage and absolute safety. This guide delivers field-tested engineering insights for seamless large-scale sound reinforcement.

2026-08-05 Technical Center
Outdoor Music Plazas and Theme Parks: Multi-Zone Centralized Control and Long-Distance Fiber-Optic Audio Transmission

Outdoor Music Plazas and Theme Parks: Multi-Zone Centralized Control and Long-Distance Fiber-Optic Audio Transmission

Discover the acoustic engineering principles behind seamless audio distribution in massive outdoor venues, focusing on long-distance fiber-optic networks, DSP-driven multi-zone control, and robust line array solutions.

2026-07-31 Technical Center
B2B Project Procurement Guide: How to Accurately Calculate Speaker and Amplifier Quantities Based on Venue Coverage and SPL Requirements

B2B Project Procurement Guide: How to Accurately Calculate Speaker and Amplifier Quantities Based on Venue Coverage and SPL Requirements

This guide provides B2B system integrators with a practical blueprint to calculate speaker quantities and amplifier power matching based on specific coverage distances and target Sound Pressure Levels (SPL) while avoiding common electrical pitfalls.

2026-06-10 Technical Center
Maximize Your Rental Fleet ROI: The Ultimate Guide to Versatile Audio Assets for Mobile Production Companies

Maximize Your Rental Fleet ROI: The Ultimate Guide to Versatile Audio Assets for Mobile Production Companies

This technical guide outlines how mobile production and rental companies can optimize inventory utilization and maximize ROI by deploying highly scalable, multi-functional line arrays and smart active speaker architectures.

2026-05-29 Technical Center
The Golden Rules of Amplifier-to-Speaker Power Matching: Preventing Tweeter Burnout

The Golden Rules of Amplifier-to-Speaker Power Matching: Preventing Tweeter Burnout

Discover why underpowering your speakers is more dangerous than overpowering them, and learn the industry-standard formulas to match amplifiers and speakers perfectly for maximum performance and zero hardware failure.

2026-05-22 Technical Center
Audio System Selection and Amplifier Matching Solution for an 800-Seat Indoor Gymnasium

Audio System Selection and Amplifier Matching Solution for an 800-Seat Indoor Gymnasium

This article breaks down the technical selection of line array loudspeakers and power amplifiers for an 800-seat indoor gymnasium, focusing on overcoming high reverberation to deliver optimal speech intelligibility and uniform acoustic distribution.

2026-05-20 Technical Center
In-Depth Analysis: The Evolution of Line Array Speakers  - From Point Source to DSP Networked Active Control

In-Depth Analysis: The Evolution of Line Array Speakers - From Point Source to DSP Networked Active Control

This technical guide traces the evolution of line array systems from point sources to modern DSP-networked active arrays, providing practical venue-matching insights and real-world solutions featured in the 2026 EGT E-CATALOG.pdf.

2026-05-17 Technical Center