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A Dolby Digital surround-sound decoder recognizes these different channels and sends them to the appropriate speakers.Īnalog surround sound is something else altogether. Digital surround sound is quite simple: When a company is producing a Dolby Digital ® program, for example, they encode six separate audio channels, specifically balanced for a Dolby Digital speaker setup. These amplifiers are connected to the appropriate speaker or speakers.ĭigital decoders and analog decoders handle the job differently. The decoder sorts out the different sound channels from the video signal, and then sends the information to amplifiers for each sound-channel output. The receiver sends the video on to your television and sends the audio to the decoder. Many home-theater receivers can operate multiple A/V systems in other rooms, or-using different audio platforms, including HEOS and MusicCast-can send music from individual components to the wireless speakers.Ĭheck out the vast array of stereo receivers and separate amplifiers at B&H Photo and discover which one is best suited to what you need in your home theater or audio-only system.The receiver is at the heart of a typical home theater system.
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#Audio tuner amplifier Bluetooth
The vast majority of receivers offer Ethernet connectivity for music streaming and network sharing, and Wi-Fi router and Bluetooth connectivity for single and multi-room sound systems with wireless speakers. Receivers for Internet, Wireless, and Multi-Room Sound Many can handle the most advanced video augmentation, including high-dynamic range (HDR) contrast boosting with Dolby Vision and HLG, 4:4:4 color saturation, and 21:9 ultrawide format.
#Audio tuner amplifier 1080p
Receivers also come with multiple HDMI ports for transferring video formats on various media to TVs and monitors, including resolution from 1080p to 3D to 4K. Many receivers are equipped for more sophisticated audio signaling from formats such as Dolby Atmos for overhead speakers and the immersive surround sound of 3D audio being offered by Auro Technologies. The formats include the Dolby Digital and DTS:X lines, each of which delivers reproductions of recorded audio for a specific number of receiver channels. Home-theater A/V receivers decode the audio signals that are recorded on different media, such as DVDs and Blu-ray discs. You can also get the same separation of sound when using headphones and earphones. Surround-sound receivers driving output to five or more speakers immerse you into movies or music as they were originally recorded. Receivers also offer outputs for home audio components, including TVs, turntables, CD players, external tuners, and set-top boxes.Īudio Capabilities of Multi-Channel Receivers Channels for rear center, right, and left and extra surround-sound speakers, and preamp outputs for subwoofers, can boost a 5-channel receiver’s designation up to 13.2, meaning 13 available channels and 2 subwoofer pre-amps. Surround-sound, home-theater receivers have at least five channels for front, right, and center speakers, and right- and left-surround speakers. Receivers may also offer one or two pre-amplifier outputs for subwoofers. Speakers need not be “loud,” as much as they need to yield clear, powerful sound without distortion.Ī/V and stereo receivers offer multi-channel inputs for speakers, with built-in amplifiers to boost audio signals for output.
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Wattage isn’t the power of the volume that goes through each channel, but the amount of clean sound for any given ohm input.
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Stereo power amplifiers normally transfer much more wattage per channel than receivers do, so they’re able to handle the needs of high-end speakers. They transform low-voltage signals into signals with enough gain to power speakers. Receivers differ from amplifiers in configuration, but both drive audio signals to speaker systems.Īmplifiers power speakers from a single-source audio component. Receivers and amplifiers are the foundation of surround-sound home theater, audio-video (A/V) systems offering movies and music, and audio systems connected to a variety of music components. Receivers and Amplifiers: Learning the Difference