In my last post I?ve explain about input ports in AV Receiver and now let?s discuss about its output. This is the way to know what kind of sound output will be produced an AV Receiver for home entertainment. Various output presented an Av receiver support. Ok let?s go to second step to choose AV Receiver.

Second, take a look to the channel output.

You’ll want to make sure your receiver has enough outputs for all your speakers, monitors, and other devices. If you own a MiniDisc recorder, you’ll probably want a receiver with a digital output jack, either coaxial or optical, depending upon your MiniDisc recorder’s input. If you’re going to be using a powered subwoofer in your home theater setup, you’ll also want a subwoofer out. You might want to consider buying a receiver with “pre-out” line-level RCA jacks for each of its five main channels, especially if your budget restricts you to a relatively low-powered model. That way you can easily add a more powerful outboard amplifier later, relegating your AV receiver to preamplifier status. If you’re highly concerned about future upgradability, you might want to consider a receiver that has six- or even eight-channel throughputs. This will allow your receiver to pass the signal from a future surround sound format.

Because most home-theater speaker systems consist of five limited-frequency-range satellites and a subwoofer, we recommend buying an AV receiver with a flexible bass management system that permits you to direct low frequencies (anywhere from 180 Hz on down) from the five main channels to the subwoofer. This enables both the receiver and your speakers to perform more efficiently. If you’re building a home-theater system around two existing full-range stereo speakers, you can leave those “full range” while directing bass from the other three channels to the subwoofer.

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