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More and more wireless audio transmitter products promise the greatest freedom in streaming music all around the house. We are going to have a look at different products and technologies to discover in how far these items are of help for whole-house audio applications and just what to watch out for when purchasing an invisible system.

Running music in your house could be a daunting task. Many homes aren’t wired for multi-room audio and getting the songs from the living room to your bedroom is usually a challenge. Items which solve this problem are often based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.

Infrared wireless audio products are tied to line-of-sight applications, i.e. only operate in just a single room since the signal is distributed as infrared light which cannot penetrate walls. Fractional laser treatments is often seen in wireless speaker kit products.

RF wireless audio products send the audio signal via radio waves. These radio wave signals can certainly go through walls. The signal is distributed either through the use of FM transmission or digital transmission. FM transmitters are the lowest priced option. They offer good range but the audio signal is vulnerable to audio distortion and noise and is also very susceptible to interference from other wireless transmitters.

Digital wireless audio transmitter products use a digital protocol. The audio is first changed to digital data before being transmitted. Using this method helps to ensure that the audio quality is fully preserved. Some transmitters use some way of audio compression, like Bluetooth transmitters, that will degrade the audio to varying degrees. Transmitters which send the audio data uncompressed will get the highest fidelity.

Products using wireless LAN are of help when streaming audio from a PC. Their drawback is because they normally have some fairly high latency, i.e. the signal will likely be delayed by a few amount since wireless LAN has not been created specifically for real-time audio streaming. Also, some products require to purchase separate wireless LAN modules that are attached to each audio receiver.

Powerline products send the audio through power mains and offer great range. They come across problems in houses where there are separate mains circuits regarding having the capacity to cross over into another circuit. Also, they build in a delay of several seconds to defend against transmission errors during harmful electrical currents and spikes which prevents their utilization in applications the place that the audio from wireless speakers should be synchronized with other non-wireless speakers or video.

Here are some ideas for choosing a wireless head unit: If you’re going to stream audio into several rooms of your property, make sure to select a system that enables streaming to multiple receivers at the same time. That way it’s not necessary to purchase a separate transmitter for each and every receiver that you are streaming to. Some products possess some kind of error correction integrated that helps guard against dropouts in the case of strong wireless interference. Pick a digital RF audio transmitter in order that the audio quality is preserved. Ensure that the audio latency is lower than 10 ms in case you have a real-time application for example video.

Pick a transmitter which includes every one of the audio inputs you need, e.g. speaker inputs, RCA inputs etc. Choose a system where you can add receivers afterwards that offer every one of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. In case you go with a digital audio transmitter, choose one with an input audio level control knob in order to avoid the audio signal from clipping within the transmitter audio converter. This will likely ensure optimum dynamic range regardless of signal degree of your equipment.

Check that the amplified wireless receivers have built-in digital amplifiers with low distortion figures. This may keep the receiver cool on account of high amplifier power efficiency and offer optimum quality of sound. Ensure that the receivers can drive speakers along with your desired Ohm rating. Picking a product the location where the wireless receivers have a small footprint and simple mounting options may help during the installation. Items which operate in the five.8 GHz frequency band will have less problems with wireless interference than products while using the crowded 900 MHz or 2.4 GHz frequency band.

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