A 7.2 receiver is a high end audio video receiver supporting surround sound. The "7.2" designation indicates the receiver's degree of support for separate audio channels: The "7" refers to the seven full frequency range audio channels that a 7.2 receiver powers..
In this regard, what is 7.2 surround sound diagram?
7.2 Surround Sound A 7.2 speaker system is the same as a 7.1 setup - except it has two subwoofers - hence the '. 1' being increased to '. 2'. A 7.2 surround sound receiver would therefore have two subwoofer outputs rather than the usual single one.
Also, what do the channels mean on a receiver? (Think of channels as speakers. A channel is a dedicated circuitry for one audio source, and there are two when we're talking about stereo.) The two amplifiers in a stereo receiver will power your two stereo speakers, and though you can connect a stereo receiver to a TV, you won't get surround sound as a result.
Then, what is the best 7.2 receiver?
A/V Receiver Comparison Table
| Receiver | Price | Channels |
| Sony STR-DN1080 | $598 | 7.2 |
| Denon AVR-S740H | $479 | 7.2 |
| Onkyo TX-NR787 | $500 | 9.2 |
| Yamaha RX-A880 Aventage | $900 | 7.2 |
Is 5.1 or 7.1 surround sound better?
5.1 Surround Sound vs. A 5.1 surround sound system uses 6 channels (feeding into 6 speakers) to create surround sound. 7.1 surround sound systems use 8 channels. The two extra channels of sound (and two extra speakers) provide a slightly better audio quality.
Related Question Answers
Is 7.1 better than Atmos?
If you have an typical, ideal 7.1 setup, TrueHD 7.1 will sound the same as Atmos. However, if you have a alternative setup (front height channels, front width channels, ceiling speakers, more than 7 speakers, etc), then Atmos is better because it is not confined by the normal channel restrictions.What is the difference between 7.1 and 7.2 receiver?
A 7.1 or 7.2 surround sound receiver includes two additional back surround channels as further explained in our multi-channel speakers system guide here. The difference between 7.1 and 7.2 is that 7.2 systems include a second subwoofer output. This yields improved flexibility in your front speakers setup.What is the difference between 5.1 and 7.2 surround sound?
In a 5.1 system, for instance, you'd have front right and left speakers a center channel, a pair of surround channels and one subwoofer. The numbers 5.2 and 7.2 refer to systems with all of those channels, plus two subwoofers.How many speakers do I need for Dolby Atmos?
We recommend installing four Dolby Atmos enabled speakers whenever possible. The use of four speakers will make the placement of overhead sounds more accurate, and you'll get more precise, realistic sounds when an object, such as a helicopter, passes overhead.How many channels is Dolby Atmos?
Dolby Atmos by default, has a 10-channel 7.1.2 bed for ambience stems or center dialogue, leaving 118 tracks for objects. Dolby Atmos home theaters can be built upon traditional 5.1 and 7.1 layouts.What do I need for Dolby Atmos?
What You'll Need - A Blu-ray Player or Streaming Player.
- A Dolby Atmos AVR.
- Speakers.
- Overhead speakers. For the best sound, look for full-range speakers with wide dispersion characteristics, plus timbre and power matched to your primary speakers.
- New Dolby Atmos enabled speakers.
Does Netflix support 7.1 surround sound?
Netflix brings Dolby Atmos from the cinema to your living room. Netflix last week began streaming it's first Dolby Atmos enabled movie. Atmos works like an upgrade to surround sound; it takes the traditional 5.1, 7.1 or 9.1 setup and dynamically changes the sound profile for your movie or game.Where should a subwoofer be placed in a room?
More often than not, subwoofers are placed in the front of the room and facing the room. The front of the room is an ideal location in many rooms so that your subwoofer sounds in sync with your front channel speakers.Is Denon or Onkyo better?
Onkyo TX-NR545The Denon receiver also offers more power per channel at 165 watts versus 115 with the Onkyo. However both of these power levels should be more than capable for the typical home theater set up. The lower-powered Onkyo should be more than loud enough for most users.Which is better Onkyo or Yamaha?
Onkyo is slightly better than Yamaha in overall sound quality, which means the sound output is loud and crisp and clear. This system is more suited for watching movies. Yamaha, on the other hand, is better suited for streaming content from online services.How long should an AV receiver last?
Home receivers can theoretically last 30-40 years based on the quality of the hardware. However, due to the rapid advances in home theater technology, the typical lifespan of a home receiver is around 5 years. You could make your home receiver last 10 years if you planned your purchase.How many channels do I need on my receiver?
How many channels do you need? We usually recommend receivers with at least seven channels. Even if you're just starting with a pair of speakers or a 3.1 system, you can always add more as your budget permits.What does 7.2 channels mean?
The "7.2" designation indicates the receiver's degree of support for separate audio channels: In a surround sound speaker configuration, the seven channels are the left, right, center, left surround, right surround, left rear surround, and right rear surround.How many watts per channel do I need?
Watts Per ChannelPower output figures for home theater amplifiers can range from around 20 watts to 200 watts per channel. The greater the power rating, the louder the amplifier will be. However, is a 100-watt amplifier twice as loud as a 50-watt amplifier? No, not even close.Do I need Dolby Atmos?
There's really no way around it. To experience Dolby Atmos, you'll need an Atmos-capable receiver. A small handful of receivers can get Atmos through a software upgrade, but if you didn't buy in the last year, you probably don't have one of them.Is Integra better than Onkyo?
The Integra line really has no more bells and whistles than the Onkyo line. The components inside and the way the system is designed is no different with Integra than Onkyo the further you go up the ladder. The other part of the equation is the customer service or lack thereof is the same.What is a good THD for a receiver?
Total Harmonic Distortion (THD)The THD rating can help round out the picture as it describes how faithful the sound signal remains to the original as the receiver amplifies it. THD less than 0.1 percent is considered to be inaudible, and 0.08 percent or lower is certainly very good.How many channels do I need for 6 speakers?
The right number of channels depends on how many speakers you have. You need one channel for each speaker you want to amplify. Typically, a monoblock (1-channel amp will do if you're only going to add a subwoofer. Or a 5 or 6 channel system amp if you want it to power all your speakers and a subwoofer.Why do I need a receiver?
A/V receivers act as the nerve center of your home theater system. They perform a host of essential functions, including decoding your DVD's surround sound formats, driving your loudspeakers, and switching between audio and video components. If you want high-quality surround sound, you need a high-quality A/V receiver. 
Robert Miller 
