Author: open-admin

OpenAudio HOLOWHAS Series: Unified Multi-Room Amplifiers for Global Smart Home & Commercial Projects

OpenAudio HOLOWHAS Series: Unified Multi-Room Amplifiers for Global Smart Home & Commercial Projects The HOLOWHAS series by OpenAudio redefines what a modern distributed audio amplifier can be: a unified, automation-native backbone for every type of project, from luxury residences to commercial installations. Built around the core promise of “One amplifier, every major control system,” the HOLOWHAS […]

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OpenAudio L2H-1202 / L2H-1204 Audio Matching Transformer

L2H-1202 L2H-1204 1. Product Overview OpenAudio L2H-1202/1204 is a dual-channel audio line matching transformer module designed to convert low-impedance (4Ω/8Ω) amplifier outputs into standard 70V/100V constant-voltage outputs, with up to 120W output capacity per channel. The device is widely used in commercial broadcasting and background music systems, effectively solving challenges such as long-distance transmission and […]

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Transformer vs. Transformerless 70V/100V Audio Systems

A Practical Engineering Perspective on “True Constant Voltage” Introduction Commercial distributed audio has long relied on 70V/100V line systems for efficient power delivery over long cable runs and across many loudspeakers. Traditionally, these systems used output transformers to create a high-voltage, low-current distribution network that behaves close to a constant-voltage source. In the past decade, […]

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OpenAudio Announces Upcoming HOLOWHAS Ultra170, Plus170, and Max170

OpenAudio is excited to announce the upcoming release of its next-generation multi-zone streaming amplifiers: HOLOWHAS Ultra170, HOLOWHAS Plus170, and HOLOWHAS Max170. As upgraded versions of the existing HOLOWHAS Ultra, HOLOWHAS Plus, and HOLOWHAS Max models, the new 170 series introduces enhanced flexibility and system capability for commercial audio deployments. HOLOWHAS Ultra: https://www.openaudio.io/holo-whas-ultra/ HOLOWHAS Plus: https://www.openaudio.io/holo-whas-plus/ […]

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OpenAudio Introduces LoZ-to-HiZ Box for Flexible Commercial Audio Deployment

OpenAudio is proud to introduce its new LoZ-to-HiZ Box, designed to simplify and enhance audio system integration across a wide range of commercial environments. Available in 2-channel and 4-channel configurations, the LoZ-to-HiZ Box enables seamless conversion from low-impedance (Lo-Z) amplifier outputs to high-impedance (70V/100V) speaker systems—providing greater flexibility for multi-zone audio deployments. Seamless Integration with OpenAudio […]

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OpenAudio HOLOWHAS Series: Professional Constant Voltage Amplifiers for Modern B2B Commercial Audio

OpenAudio HOLOWHAS Series: Professional Constant Voltage Amplifiers for Modern B2B Commercial Audio In today’s competitive commercial environment, background music, public address, and ambient audio systems play a critical role in shaping customer experience, brand image, and daily operational efficiency. For retail stores, restaurants, hotels, supermarkets, office buildings, shopping centers, and various business spaces, constant voltage […]

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Multi-Zone Background Music for Commercial Spaces: 6 Real-World Audio Strategies for Hotels, Retail, Cafés, Gyms, Restaurants & Cinemas

Multi-Zone Background Music: How Smart Audio Design Transforms Commercial Spaces Introduction In commercial environments, background music is no longer just an accessory — it’s a strategic tool that shapes customer behavior, brand identity, and revenue. Traditional single-zone audio systems deliver the same music across an entire space. But modern businesses demand more control, more flexibility, […]

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How to Import KNXPROD Files and Configure KNX Systems with OpenAudio HOLOWHAS Series Amplifiers: A Step-by-Step Guide

How to Import KNXPROD File OpenAudio HOLOWHAS – Step-by-Step KNX Configuration Guide To import KNXPROD file OpenAudio HOLOWHAS series amplifiers correctly into your KNX project, you need a clear, step-by-step workflow. This guide walks you through every stage — from downloading the correct KNXPROD file to configuring multi-zone audio control in ETS. Published: March 31, 2025 […]

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Complete Guide to OpenAudio HOLOWHAS Series Amplifier Control4 Driver2

The OpenAudio HOLOWHAS series amplifiers Control4 driver  (including HOLOWHAS, HOLOWHAS Ultra, HOLOWHAS Plus, HOLOWHAS Max, HOLOWHAS Ultra-GC, HOLOWHAS Plus-GC) are professional-grade audio devices that can be seamlessly integrated with the Control4 smart home system. This guide details the entire process of installing, configuring, and troubleshooting the Control4 driver, ensuring stable communication and smooth operation between […]

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OpenAudio, Ambiance Cinema, and Musimap Collaborate on Smart Audio Showroom in Avignon, France

OpenAudio has announced a new collaboration with Ambiance Cinema and Musimap to develop a smart audio showroom in Avignon, France, aimed at demonstrating next-generation multi-room audio solutions for residential and commercial environments. Patrick Zucchetta is a highly respected industry leader in professional audio, digital cinema and commercial music solutions. As former CEO of Doremi Labs, […]

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