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Build a home theater in this order: decide where people and the screen will go, choose a TV or projector, select either a modular AV-receiver system or a simpler soundbar, buy a receiver that supports the channels and connections you may add, then expand from front speakers to bass, center, surrounds, height channels and optional sources. This sequence prevents an early purchase from blocking a later upgrade.
There is no single correct system. A bright multipurpose room, a dedicated dark cinema room, a small seating area and a large open plan need different equipment and placement. The right goal is a compatible system that fits the room and the way it will actually be used.
What a home theater system includes
A complete system has four functional parts: a display, an audio system, content sources and the connections and stands or mounts that let everything work together. Some rooms use a television and its built-in apps; others add a streaming player, game console, set-top box or 4K UHD Blu-ray player. Those sources are optional, so buy only what supplies content you need.
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The modular receiver system
In a receiver-based design, the AV receiver is the hub. Dolby’s Home Theater Setup Guide describes it as the component that receives and processes audio and video from sources such as smart-TV apps, set-top boxes, Blu-ray players, streaming devices and game consoles. It sends video to the display and amplifies audio for passive speakers.
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- Easy streaming with Bluetooth Multipoint - Stream all your favorite music, podcasts and audiobooks wirelessly. Built-in Bluetooth Multipoint lets you pair two source devices and instantly switch between them.
Denon distinguishes passive speakers, which need an external amplifier such as an AV receiver or power amplifier, from powered or active speakers, which contain their own amplification. That distinction matters when planning connections: a receiver intended to drive passive speakers is not interchangeable with a soundbar or a pair of active monitors.
The simpler soundbar route
A soundbar can be the better starting point when the priority is clearer television sound, minimal wiring, or a room that cannot accommodate speakers around the seats. It gives up some flexibility in speaker spacing and future expansion, but it also removes much of the installation and configuration work. Choosing a soundbar is a legitimate architecture decision, not a failed version of a receiver system.
Plan the room before buying equipment
Equipment choices follow the room, not the other way around. Mark the intended screen wall and listening seats before comparing components.
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- Seating distance: note the distance from the main seats to the display and whether all seats can face it without an extreme angle.
- Room brightness: identify windows, lamps and daytime glare. Light affects whether a television or projector is comfortable to watch.
- Speaker locations: check whether left, right, center, surround and possible height positions can be reached without unsafe cable runs.
- Power and ventilation: reserve outlets for the display, receiver, subwoofer and sources, and leave airflow around heat-producing equipment.
- Everyday use: decide whether the room is mainly for television, games and casual viewing or for scheduled movie sessions.
Television or projector?
Dolby characterizes projectors as a route to very large images, while noting that the screen and mounting position require planning. A projector also needs a suitable throw distance, a place for the projector and controlled light for a consistently visible image.
Dolby describes LED televisions as budget-friendly and generally suitable for bright rooms. It describes OLED televisions as producing deep blacks that generally suit darker environments. Those are broad display-type characteristics, not a complete comparison of every model. Measure the room and viewing distance before choosing a screen size.
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- ADVANCED 8K HDMI VIDEO SECTION - 3 dedicated 8K inputs and 1 output (8K/60Hz and 4K/120Hz pass-through; 8K upscaling on all 6 inputs). Supports 4:4:4 Pure Color Sub Sampling, HDR10, HDR10+, Dolby Vision & HLG for exceptional color, contrast, and clarity
- MULTI-DIMENSIONAL AUDIO - In addition to Dolby Atmos, DTS:X and DTS Virtual:X, the AVR-X1700H also supports Dolby Atmos Height Virtualization Technology that creates virtual height effects even without the height channels for a truly immersive experience
- AWARD-WINING ON-SCREEN QUICK SETUP GUIDE walks you through simple, clear instructions to connect your TV, specify EQ settings and helps you optimize your surround sound. The back-panel is laid out with color-coded connections that makes organizing simple
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| Display choice | Usually fits when | Planning issues |
|---|---|---|
| LED television | The room is bright or used throughout the day | Screen size, viewing distance, stand or wall-mount position, and available inputs |
| OLED television | Deep black levels are important in a darker room | Light control, viewing distance, mounting and the inputs needed by planned sources |
| Projector and screen | A very large cinema-style image is the priority | Screen location, projector mount or shelf, throw distance, cable routing and room brightness |
Choose the system architecture
| Factor | AV receiver with separate speakers | Soundbar |
|---|---|---|
| Speaker flexibility | Individual left, right, center, surround, height and subwoofer positions | Integrated enclosure, with surround or bass options varying by design |
| Upgrade path | Add channels or replace one component when the receiver supports it | Usually limited to the manufacturer’s compatible additions |
| Installation | Requires speaker placement, cable runs and receiver setup | Fewer cables and simpler placement |
| Best fit | Listeners who want a planned surround or height layout | Readers who value convenience or cannot place separate speakers |
| Main trade-off | More equipment, space and configuration | Less control over spacing and expansion |
If separate speakers are the goal, start with an AV receiver rather than buying speakers first and hoping a later receiver will support them. If speed and simplicity matter more than a staged surround build, a soundbar avoids the need to design a multi-speaker layout.
Set a channel target and leave room to grow
Channel notation tells you how many speaker positions a system uses. The first number counts ear-level main channels, the number after the first period is the subwoofer count, and the final number counts height channels.
| Notation | What it contains | Typical expansion question |
|---|---|---|
| 2.1 | Left and right speakers plus one subwoofer | Can the receiver later add a center and surrounds? |
| 5.1 | Left, center, right, two surrounds and one subwoofer | Are there suitable positions for surrounds around the seats? |
| 5.1.2 | A 5.1 layout plus two height speakers | Can the room accommodate ceiling or upward-firing height channels? |
| 5.1.4 | A 5.1 layout plus four height speakers | Does the receiver provide enough processed and amplified channels? |
| 7.1.2 | Seven ear-level channels, one subwoofer and two height channels | Is the room wide and deep enough for the additional ear-level pair? |
| 7.1.4 | Seven ear-level channels, one subwoofer and four height channels | Can both the room and receiver support the complete layout? |
These are configuration names, not quality ratings. A well-placed 2.1 system can be more satisfying than a poorly placed 5.1 system. Pick the largest layout the room can place correctly and the receiver can support, rather than buying unused channels.
Buy the AV receiver against the upgrade plan
Write down the system you want on installation day and the next realistic stage. Then check the receiver against both lists.
- Amplified and processed channels: confirm that the receiver can power the speakers planned now and process the additional channels planned later.
- HDMI inputs: count the display connection and every planned source, including a console, set-top box, streaming device or disc player. Leave practical spare capacity if devices may be added.
- HDMI outputs: check whether the receiver can feed the display arrangement you intend to use.
- Audio and video formats: verify support for the formats produced by each source and accepted by the display. A format is useful only when the source, receiver and display all support it.
- Room and power needs: match the receiver and speakers to the room size and listening distance. Denon’s wattage guidance is manufacturer advice, not independent comparative testing, so do not choose on a wattage number alone.
- Room correction: look for an automatic setup or calibration system if you want help adjusting the system to the room.
- Controls and usability: consider the on-screen menus, remote, input labels and the effort required to change sources.
Compatibility is a chain. A receiver with many channels cannot compensate for missing speaker positions, insufficient cable routes or a display that cannot accept the intended signal.
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- 4K Pass Through: 4K HDR Compatible with Hdcp 2.2 Support for Sharper Source to Screen Image Quality
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- Multi Functional System: Enjoy a Multi Channel Stereo Setup, Fm Radio Tuner and 1/4 Inches Headphone Jack
Build the system in useful stages
Stage 1: Install the display and establish the main seats
Secure the television or projector screen at a height and angle comfortable for the primary seats. For a projector, plan the screen and mounting position together; changing one later can force a cable or furniture change. Keep the main seats centered on the screen when possible, because the center position is also the reference point for speaker placement and calibration.
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Put the receiver where its display and controls are accessible and where air can circulate. Before connecting anything, sketch which source will connect to which receiver input and how the receiver will connect to the display. Label both ends of each cable. The goal is not the shortest cable at any cost; it is a route that can be identified and serviced later.
Stage 3: Start with the left and right speakers
A two-speaker start creates the front soundstage and gives a useful system even before surround channels are purchased. Place the left and right speakers on either side of the display, aimed toward the main listening position. Keep them at a similar height and distance from the seats where the room permits. Use stands or secure shelves when needed, and follow the speaker maker’s clearance and mounting instructions.
Stage 4: Add a subwoofer for the 2.1 stage
A subwoofer handles low-frequency sound. Dolby notes that bass is not directional, so the subwoofer’s location can be tried in different parts of the room rather than assumed to belong in one particular corner. Move it between practical positions and listen from the seats; the room can make one location sound tighter or uneven compared with another. Larger rooms may benefit from two subwoofers, but adding a second unit is not an automatic improvement in every room.
Stage 5: Add the center channel
The center channel carries most film and television dialogue. Place it close to the display and aim it toward the listeners. If it sits in a cabinet, leave the opening clear and avoid blocking the speaker with a door or decorative object. Keep dialogue intelligible at the normal listening level before moving to surround channels.
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- TRUE-TO-LIFE CINEMATIC EXPERIENCE - The AVR-S570BT supports HDR, HLG, Dolby Vision, HDR10+, Dynamic HDR for realistic display, VRR and QFT for lag-free exceptional gaming, DTS HD Master, Dolby TrueHD immersive audio, and 5.1 surround sound receiver
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- OUR EASY ON-SCREEN HD SETUP ASSISTANT walks you through clear, intuitive instructions to connect your TV and stereo receiver with bluetooth, while specific EQ settings help optimize surround sound so you make the most of movies, music, TV, or gaming
- CONVENIENT CONTROL - Connect Denon receiver to your Smart TV remote and access speaker sources & surround selections using just one handset, or download Denon Remote App for iOS and Android to control receiver through the phone
Stage 6: Add the surround pair
Two surround speakers complete a 5.1 layout. Place them around the listening area rather than beside the display, with both speakers serving the same seating reference. Exact height and angle depend on the room and speaker instructions; avoid placing one surround where a wall, tall cabinet or seat completely blocks it. If only one seat is important, optimize for that seat instead of forcing symmetry that the room cannot provide.
Stage 7: Add height channels only when the room supports them
A 5.1.2 system adds two height channels. Dolby describes height speakers as either ceiling-mounted or upward-firing, depending on the equipment and room. Ceiling installation requires safe mounting and a route for speaker cable. Upward-firing speakers need a suitable ceiling surface and placement that lets the reflected sound reach the seats. Do not select a height layout that cannot be installed securely or aligned with the listening area.
Connect sources without buying unnecessary boxes
Possible sources include built-in television apps, a cable or satellite box, an external streaming media player, a game console and a 4K UHD Blu-ray player. Choose according to the services and formats you use. A television with the required apps may eliminate the need for a separate streaming device; a disc collection may justify a player that another room does not need.
- List every source you expect to use at the same time.
- Count the HDMI inputs required on the receiver and the connection from the receiver to the display.
- Check that each source can output the desired audio and video formats.
- Check that the receiver can pass or process those formats and that the display can accept them.
- Connect components according to their manuals, then label each input in the receiver menu.
Buy HDMI cables after checking the specifications of the source, receiver and display. This guidance does not establish one universal cable rating; the required capability depends on the signals you plan to carry and the equipment involved.
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Configure and calibrate after every major expansion
Run the receiver’s on-screen setup after the initial connection and again when adding a center, surrounds, height channels or a subwoofer. Select the speakers that are actually connected, identify the subwoofer, assign the correct inputs and set the display and source options described in the manuals.
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Use the receiver’s room-calibration tool when available. Dolby’s Dolby Atmos Speaker Setup 101 says, “Every room is different, so calibration can help you get the best setup.” Calibration can optimize settings for a particular room; it is not a guarantee of a particular measured result. Place the supplied microphone where the instructions specify, keep the room quiet during the measurements and save the resulting configuration before experimenting.
Check the result from the main seat
- Confirm that dialogue comes primarily from the center area of the screen.
- Confirm that left-to-right movement across the front does not jump in level.
- Confirm that surround effects come from around the seats rather than from one front corner.
- Confirm that height effects, when installed, are assigned to the intended channels.
- Confirm that bass is present without overwhelming voices or masking details.
Common problems and orderly fixes
No sound from one speaker
Check that the speaker wire is connected at both ends, the receiver’s speaker assignment includes that channel and the source is producing a channel the system can use. Swap the speaker cable with a known-working cable only after powering the receiver down; this helps separate a cable or speaker issue from a receiver setting.
Dialogue is too quiet
Verify that the center speaker is connected and selected, that it is not blocked by furniture, and that the receiver’s calibration was run with the microphone in the correct position. Recheck the source’s audio mode before changing individual channel levels.
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Not every program contains surround or height information. Confirm the source format, the receiver’s listening mode and the channel assignment before concluding that the speakers are faulty. A two-channel source may not exercise every installed speaker.
The picture is blank or the wrong source appears
Trace the signal path from the source to the receiver input and from the receiver output to the display. Select the matching input on both devices, reseat the connections and verify that the chosen video format is supported by all three components.
Bass sounds uneven from different seats
Try another practical subwoofer position, then rerun calibration. Because room boundaries create peaks and dips, changing location can be more effective than simply increasing the subwoofer level.
When to stop adding components
Stop when each installed channel has a sensible position, the receiver still has adequate ventilation and connections, and the room sounds balanced from the seats that matter. More speakers increase wiring and configuration demands; they do not automatically produce greater immersion. A smaller layout that is correctly placed and calibrated is a sound endpoint, not merely a temporary step.
A practical purchase checklist
- Room dimensions, bright and dark viewing conditions, and primary seating marked
- TV or projector decision made, including screen or mounting requirements
- AV receiver or soundbar architecture selected
- Current and future channel layouts written in notation such as 2.1, 5.1 or 5.1.2
- Receiver channels, HDMI inputs and outputs, formats, room fit and calibration checked
- Left and right speakers selected for the initial front stage
- Subwoofer location tested or planned for the 2.1 stage
- Center, surround and height positions confirmed before those speakers are purchased
- Sources counted and matched to receiver and display capabilities
- Cables labeled, connections made according to manuals and room calibration completed
Building one component at a time works when every purchase serves the room and preserves the next sensible upgrade. Start with placement and compatibility, then add channels only when they can be installed, powered and configured correctly.
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