OpenAudio Partners with Metric Tech to Launch KNX-Enabled HOLOWHAS Series Amplifiers, Elevating Smart Building Audio Integration
[New York, December 10, 2025] – OpenAudio, a global leader in premium smart audio technology, is proud to announce a strategic collaboration with Metric Tech—a Germany-headquartered systems integration powerhouse specializing in smart building and luxury automation solutions. This partnership has led to a key innovation: OpenAudio’s flagship HOLOWHAS Series Multi-room Streaming Amplifiers now feature native KNX protocol support, a customization directly tailored to Metric Tech’s demand for seamless integration with global smart building ecosystems. Together, the two brands will deliver unified audio-automation solutions for residential, commercial, and hospitality sectors worldwide.
About Metric Tech: A Leader in Integrated Smart Solutions
Founded with a mission to redefine connected spaces, Metric Tech stands as a trusted turnkey technology partner, renowned for delivering comprehensive systems integration across automation, AV, security, and low-current solutions . Headquartered in Germany—an epicenter of precision engineering and smart building innovation—the company boasts a global footprint, serving clients from luxury residences to corporate campuses, conference centers, and hospitality venues with end-to-end technology solutions .
Metric Tech’s core business spans a full spectrum of integrated technologies, including:
- Luxury smart home automation and building management systems (BMS/IBMS)
- Room management systems (GRMS), lighting control, and energy optimization
- Audio-visual (AV) solutions for conference rooms, auditoriums, and multipurpose spaces
- Background music (BGM) & public address (PA) systems
- Security integrations (CCTV, access control, biometrics, gate barrier systems)
- Structured cabling, ICT networks, and IP telephony
- Digital signage, SMATV/IPTV, and intercom systems
As a curator of premium global brands, Metric Tech’s authorized product portfolio features industry-leading solutions handpicked for reliability and performance, including KNX-certified control modules, high-end AV equipment, enterprise-grade security systems, and smart building hardware. This focus on quality aligns with OpenAudio’s commitment to technical excellence, making the collaboration a natural fit for delivering integrated solutions that meet the strictest standards of smart building design.
KNX Integration: Powered by Collaborative Innovation
The integration of KNX protocol into OpenAudio’s HOLOWHAS Series is a direct response to Metric Tech’s need for interoperable audio solutions that seamlessly connect with the KNX ecosystem—the global standard for smart building automation. This customization allows the HOLOWHAS amplifiers to integrate flawlessly with Metric Tech’s existing smart building setups, enabling centralized control of multi-room audio alongside lighting, climate, security, and other building systems through a single interface.
OpenAudio’s HOLOWHAS Series—including popular models like Ultra, Plus, Max, Ultra-gc, and PLUS-gc—now offers the best of both worlds: high-performance audio (support for Qobuz Connect, AirPlay 2, Spotify Connect, and advanced DSP processing) and KNX-enabled smart control. For Metric Tech’s clients, this means immersive, zone-specific audio that syncs with their smart building workflows—whether adjusting background music in a hotel lobby, optimizing sound for a corporate meeting room, or creating personalized audio scenes in a luxury home.
“We’re thrilled to partner with Metric Tech, a brand that shares our vision for seamless, powerful smart audio integration,” said [Insert OpenAudio Representative Name], [Title] at OpenAudio. “Developing KNX support for our HOLOWHAS Series was a collaborative journey, driven by Metric Tech’s deep understanding of smart building needs. This integration reinforces our commitment to creating adaptable solutions that thrive in the most sophisticated automation ecosystems.”
“OpenAudio’s willingness to customize the HOLOWHAS Series to support KNX was pivotal for this partnership,” noted [Insert Metric Tech Representative Name], [Title] at Metric Tech. “As a systems integrator, we rely on products that work in harmony with our clients’ existing smart building infrastructure. The KNX-enabled HOLOWHAS amplifiers enhance our audio offerings, allowing us to deliver a truly unified experience—where sound quality meets the convenience of smart control. This aligns perfectly with our mission to provide turnkey, future-ready solutions.”
Looking Ahead: Expanding Integrated Solutions
Under the partnership, Metric Tech will serve as a key distributor of OpenAudio’s KNX-enabled HOLOWHAS Series, leveraging its global network of clients and partners to bring the integrated audio-automation solutions to market. OpenAudio will provide technical support to ensure seamless integration with Metric Tech’s existing systems, reinforcing the reliability of the joint offering.
For more information about OpenAudio’s HOLOWHAS Series Multi-room Streaming Amplifiers or to explore KNX-integrated solutions, visit [www.openaudiohome.com]. For inquiries about Metric Tech’s services and product portfolio, contact info@metrictec.com or visit [www.metrictec.com].
About OpenAudio
OpenAudio is a pioneering provider of high-performance smart audio solutions, specializing in multi-room streaming amplifiers, 4K Dolby Atmos AV receivers, and customizable audio systems for residential, commercial, and specialized sectors. Committed to innovation and interoperability, OpenAudio delivers cutting-edge technology that adapts to the evolving needs of smart spaces worldwide.
About Metric Tech
Headquartered in Germany, Metric Tech is a leading systems integration company focused on turnkey technology solutions for residential and commercial spaces. With expertise spanning smart home automation, AV integration, security systems, and building management, the company partners with global premium brands to deliver comprehensive, interoperable solutions. Metric Tech’s commitment to quality and innovation has made it a trusted partner for clients seeking seamless, future-ready smart building experiences.





