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More than a kilometer-What is the Range of Bluetooth Technology
More than a kilometer: What is the Range of Bluetooth Technology Most multi-room Streaming Amplifier support both Bluetooth Audio and WiFi Audio. But most people think that Bluetooth Audio signal is effective only in very limited distant. Very little people know that the range of Bluetooth can be more than a kilometer. So let explain this […]
Read More16 x 200W != 3200W About Streaming Amplifier
16 x 200W != 3200W About Streaming Amplifier Too many people have misunderstood about total power and simultaneous total power. Take a 16-channel amplifier, if the peak or RMS power of every channel is 200W, people prefer to compare 16x 200W =3200W vs. Power Input capability. It is wrong. Because the possibility that all 16 […]
Read MoreThe Difference between Amplifiers and Preamplifiers
The difference and relationship between Amplifier and Pre-Amplifier We received a message from Giovanny. He connected a microphone to the HOLO-WHAS Plus, but the sound was very low, even with the volume set to the maximum in the app. Dear OpenAudio: I wanted to let you know that I am very happy with the product. I […]
Read MoreFCC Certification and Whole Home Audio System
FCC Certification and Whole Home Audio System Whole Home Audio System, especially its core component Multi-room Streaming Amplifier should pass FCC Certifidation. All multi-room streaming amplifier from OpenAudio pass FCC Certification. If some multi-room streaming amplifier doesn’t pass the FCC Certification, it is better not bought it. What is FCC Certification FCC certification, issued by […]
Read MoreOTA for Multi-room Streaming Amplifier
OTA for Multi-room Streaming Amplifier An over-the-air (OTA) update for Multi-room Streaming Amplifier is the wireless delivery of new software, firmware or other data to your multi-room streaming amplifier in your whole home audio system. Over-the-air started in smartphones, blew up in EVs, and now we’re bringing it to smart homes. Key aspects of OTA […]
Read MoreHow to bridge NAS and Multi-room Streaming Amplifier
How to bridge NAS and Multi-room Streaming Amplifier An email from a customer In July 14, 2025, Steve who buy 2 HOLOWHAS MAX from us, ask us almost 20 questions, and one of them is related to NAS content play on multi-room streaming amplifier. 1. “Can I play music from my NAS that is on […]
Read MoreWhole Home Audio versus Surround Sound
Whole-Home Audio ≠ Surround Sound Many people struggle to clearly separate Whole-Home Audio (WHA) from Surround Sound, so their plans get messy. Some buy a surround-sound receiver only to discover it can’t drive speakers in every room, while others pick up a multi-room streaming amp and then ask the manufacturer to add surround features—like the […]
Read MoreHow to Connect a subwoofer to Whole Home Audio System
How to Connect a subwoofer to Whole Home Audio System If you’re looking to Connect Subwoofer to Whole Home Audio System, this guide will walk you through all the best options for achieving rich, room-filling bass across multiple zones. On July 14, 2025, we received an email from Adrian Gaytan Good Morning We recently purchased the […]
Read MorePassive crossover for Multi-room Streaming Amplifier
Passive crossover for Multi-room Streaming Amplifier What is Passive Crossover? Subwoofer Passive Crossover is an excellent accessory designed specifically for Multi-room Streaming Amplifier setups to drive subwoofer beside stereo speakers. First of all, a crossover consists of a number of electronic filters that have the function of separating signals that are distributed to the bass, midrange and treble […]
Read MoreHow to select one best multi-room streaming amplifier
How to select one best multi-room streaming amplifier Picking the right multi-room streaming amplifier is crucial for setting up a whole home audio system. But how do you choose the perfect one? We break it down into nine key factors to consider. Point 1: Power output capability Taking OpenAudio‘s HOLOWHAS series as an example, the […]
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