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The receiver plays a pivotal role in a home theater. It connects the audio and video components and relays signals between them. Most new receivers power at least six speakers and support Dolby Digital 5.1 and DTS, the most commonly used surround formats.
Many new models have more connections than their predecessors to accommodate the swelling ranks of audio and video devices. Support for new formats that offer 6.1 channels is also growing. Some new receivers can adjust the sound level of each speaker to balance the surround effect for your room and speaker setup.
HOW TO CHOOSE
First, don't assume pricey brands out-perform less costly ones. ...