Wireless Audio
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 NEW Polk Audio DSWPRO 660wi 12 Wireless Ready Subwoofer  US $694.99
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 NEW Polk Audio DSWPRO 550wi 10 Wireless Ready Subwoofer US $654.99
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 POLK AUDIO DSW PRO 660wi ★ 12 WIRELESS READY SUBWOOFER US $554.99
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 BOSE AL 8 Wireless Audio Link Set NEW Unopened Box US $269.00
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 Polk Audio Surround F X Wireless Surround Speaker US $269.00
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 Polk Audio Surround FX Open Box Wireless Surround Speaker US $268.92
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 Power Lab Rf Link Avs5808 58ghz Wireless 8 channel Indoor Audio Video System US $239.95
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 BRAND NEW Polk Audio PSWi225 Wireless Subwoofer US $214.88
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Suggestions For Finding The Optimal Wireless Audio Transmitter Device For Whole-Home Audio Streaming
Lately more and more wireless audio transmitter products have emerged which promise to bring the ultimate freedom of sending music throughout the home. We will check if these newest products are suitable for whole-house audio. Also, we will give important tips for choosing a wireless music system.
Running audio in your home can be a daunting chore. A lot of houses are not wired for multi-room audio and getting the music from your living room to your bed room can be quite a challenge. Products which resolve this difficulty are commonly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared is limited to line of sight because the audio signal is sent as lightwaves and consequently products utilizing this technology, such as infrared wireless surround sound products, are limited to a single room.
RF wireless products send the audio as RF waves - either by utilizing FM transmission or digital transmission - and can consequently without difficulty transmit through walls. FM transmission is inexpensive but quite prone to hiss, audio distortion and susceptible to interference.
Products which employ digital wireless audio transmission use a digital protocol. Such products include transmitters from Amphony. In this protocol, prior to transmission the audio signal is converted to digital data. This conversion and transmission in the digital domain will guarantee that the original audio quality is maintained. However, this is only the case of the data is sent uncompressed. Some wireless audio transmitters will apply some form of audio compression. Such products include Bluetooth audio transmitters. Audio compression will degrade the quality of the audio to some degree.
Wireless LAN (WLAN) products are useful when streaming from a PC but will add some amount of latency or delay to the signal because wireless LAN was not originally designed for real-time audio streaming. WLAN receivers often do not have built-in network access. As a result, such devices frequently require buying separate LAN cards. These cards are then plugged into every receiver.
Powerline devices use the power mains to distribute audio and provide great range but run into trouble if there are separate mains circuits in the home in terms of crossing between circuits. Another challenge facing powerline products are strong power surges and spikes. Such surges can bring about drpouts in the audio due to errors in the transmission. To safeguard against these errors, powerline products typically build a delay of several seconds into the transmission.
Now we'll give you some suggestions for shopping for a wireless system: Select a system that supports multiple wireless receivers if you plan to stream audio to a number of rooms so that you don't have to purchase a separate transmitter for each receiver. Some products have some sort of error correction built in which will help guard against dropouts in case of strong wireless interference. Choose a digital RF audio transmitter to guarantee that the audio quality is preserved. Make sure the audio delay is less than 10 ms if you have a real-time application such as video.
Select a transmitter that has all of the audio inputs you require, e.g. speaker inputs, RCA inputs etc. Choose a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Pick a transmitter that can regulate the audio volume of the input stage. This will give you the flexibility to connect the transmitter to any kind of equipment with different signal levels. Otherwise the audio may get clipped inside the transmitter converter stage or the dynamic range is not fully used.
Check that the system provides amplified receivers with a digital amplifier to guarantee high power efficiency. This will help keep the receiver cool during operation. In addition, make sure the amplifier offers low audio distortion. This is vital for good sound quality. Make sure the receivers can drive speakers with your preferred Ohm rating. Picking a product where the wireless receivers have a small footprint and easy mounting options will help during the set up. Products using the less crowded 5.8 GHz frequency band will typically have less problems with wireless interference than 900 MHz or 2.4 GHz devices.
can I use a Bose AL8 wireless audio link with my NAD power amp and pre amp system
Afraid not, the AL8 will only work with other Bose products.
Somebody’s watching me: iOS remote cameras compared (JK On The Run)
Previous generations of home surveillance systems required setup via a
computer (usually a PC) and had a high cost of entry, but a new crop of low-
cost Internet-enabled cameras promise “post-PC” easy setup as well as iOS
integration. I’ve tested two new players in this area.
Audioengine AW1 Wireless Audio Adapter
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