Hide TV Streaming Box (IR Extender Mounts)
To conceal a streaming box behind your TV, use a ventilated accessory mount approved for the TV bracket, keep the box’s vents clear, and place a compatible IR sensor where your remote can see it. Check device manuals, cable routes, and mount limits before installing. Then test remote response, heat, and cable movement with the TV in use.
A clean setup should feel calm, not like a bundle of equipment hidden at any cost. I’ve found that the best results come from treating the streaming box, remote sensor, and cables as one system. A box can be mechanically secure yet still overheat, lose its signal, or strain a cable when the TV moves.
The steps below help you plan, mount, route, and test the setup while keeping service access. Always follow product instructions and applicable local codes.
Planning: intent and specifications
Planning means checking the box, mount, IR extender, cables, and power arrangement before choosing a mounting spot. Their dimensions, heat limits, and connection needs vary by model, so there is no universal clearance or airflow figure that makes every setup safe.
Before buying an accessory mount, record these five details:
- Mount envelope: Measure the box’s width, height, and thickness. Compare them with the mount’s accepted dimensions and check that its load rating covers the box’s weight and intended position.
- Ventilation: Look up required clearances in the box manual and identify every air opening. If the manual gives no clearance, do not assume a sealed space is safe. Favor an open-sided mount and check the box’s operating temperature.
- Heat limits: Note the stated maximum operating ambient temperature. If the maker publishes power dissipation, record that too. Do not treat a rough airflow calculation as permission to enclose the box.
- IR compatibility: Find the box’s IR receiver window and check the extender manual for compatibility. A commonly used IR wavelength is 940 nm, but it is not universal. Some streaming remotes use Bluetooth or radio frequency (RF), not IR.
- Cable route: Check cable reach, bend-radius instructions, power-supply placement, and the TV’s movement. Where low-voltage wiring shares a route with power conductors, follow the applicable wiring method and NEC 725.136; do not assume the cables may be bundled together.
Listed equipment must be installed and used according to its instructions. NEC 110.3(B) addresses equipment use in line with its listing and labeling, while local requirements may also apply. If the instructions conflict or leave a safety question unresolved, ask the equipment maker or a qualified installer before proceeding.
A careful note on heat estimates
For a deliberately engineered enclosure, a first-pass sensible-heat estimate is CFM ≈ 3.16 × watts / allowable temperature rise (°F). CFM means cubic feet per minute of airflow. This estimate is not a universal clearance rule, and it does not replace the manufacturer’s ventilation instructions or a temperature check under real operating conditions.
Access and clearances: survey the space
A site survey checks whether the proposed position remains safe and usable after the box is mounted. Look beyond the flat wall: TV vents, rear-panel shapes, the bracket’s moving parts, outlet position, and access to connectors can all affect the final location.
Before fastening anything, check:
- The TV’s rear vents and any hot surfaces. Keep the box and its vents clear of the TV’s exhaust path.
- The mount’s tilt and swivel range. Confirm cables will not stretch, snag, or pinch at any position you plan to use.
- The IR receiver window on the box and a clear spot for the remote-facing sensor.
- Access to the box’s power connection, reset or pairing controls, and other ports you may need later.
- Whether the TV or mount maker permits an accessory on the proposed attachment point. Avoid moving joints and thin covers unless the instructions expressly allow it.
- Whether the TV can still be removed from its bracket for service.
An open position behind the display is usually easier to ventilate and service than a closed space. Do not put the box in an unventilated wall cavity or behind a sealed decorative panel. A box that works in open air may overheat when trapped between the TV and wall.
Choose an attachment point with care
An accessory shelf or strap should attach only where the TV or mount maker permits. Check the accessory’s published load limit, fastening method, and orientation. Do not drill into an unknown TV panel or exceed the mount’s rating simply to make the box less visible.
Execution: mount the box and route cables
Execution is the careful attachment of the box and extender, followed by cable routing that allows airflow and TV movement. Keep the arrangement accessible, and use the instructions supplied with each part rather than relying on a generic mounting method.
- Attach the accessory. Fit a purpose-made shelf or strap to an approved fixed part of the TV mount. Follow its fastener instructions and load limit. Keep the box’s ventilation openings uncovered.
- Secure the box. Place it so it cannot slide or fall in the TV’s normal range of motion. Do not wedge it tightly against the TV or wall.
- Fit the IR emitter. An emitter is the small transmitter that sends commands toward the box. Place it directly over the box’s IR receiver window, as the extender maker directs. A misplaced emitter can make commands unreliable.
- Position the IR sensor. Put the remote-facing sensor where it can receive commands from your usual seating area. Keep it unobstructed; hiding the box does not mean hiding the sensor behind a solid surface.
- Route the cables. Leave enough slack for movement, but not so much that cables can catch on the bracket. Avoid sharp bends, tension, pinch points, and contact with moving hardware. Follow the cable makers’ bend-radius guidance.
- Dress the bundle. Use removable, non-damaging restraints. Keep connectors and the power supply reachable, and maintain required separation between low-voltage and power wiring.
An IR extender cannot make an incompatible remote work. If the remote communicates only by Bluetooth or RF, check the streaming device’s manual for its control method and supported options before buying an IR kit.
Common mounting approaches
| Approach | Best fit | Main checks |
|---|---|---|
| Open accessory shelf | Box needs easy access or has vents on several sides | Shelf rating, vent openings, and bracket movement |
| Strap-style mount | Box shape and instructions allow a secure strap | Strap fit, box vents, and approved attachment point |
| Closed box or cabinet | Only when the device and enclosure instructions support the arrangement | Heat limits, airflow design, and access; do not assume a sealed cover is safe |
Verification: test, observe, and document
Verification means checking operation after installation, not just confirming that the box stays in place. Test the TV’s full movement, the remote from normal seating positions, and the box’s temperature during sustained use.
Use this sequence:
- Move the TV through every tilt or swivel position you expect to use. Look and feel for cable strain, pinching, snagging, or contact with moving hardware.
- Confirm that the TV vents and box vents remain open. Make sure the box does not block service points or become pressed against a hot surface.
- Test several remote commands from your usual seats. If response is unreliable, check extender compatibility, reposition the sensor, and make sure the emitter sits over the receiver window.
- Run the box under typical sustained use. Check its temperature as directed by the manufacturer and confirm it remains within the stated operating limit.
- Recheck after the setup has warmed up. A brief startup test may not reveal a heat problem that develops during longer use.
- Keep a note of the mount model, load rating, cable route, and relevant manual limits. This can help if you need to adjust or service the setup later.
If the box becomes hotter than its stated limit, shuts down, or behaves erratically, turn it off and revisit the mounting position and airflow. Do not solve the problem by guessing at a larger gap or adding a sealed cover.
Example installations: what the checks reveal
These examples describe common installation situations, not tests of specific products. The right solution depends on the actual device manuals, mount instructions, and room layout.
Fixed TV with a compact box
A fixed TV may leave a useful open area behind the screen, but that space can still be narrow. Measure the box and shelf together, keep the vents clear, and check that the power cable reaches without tension. Place the IR sensor near an edge where the remote can see it.
Swivel TV with an IR extender
A swivel TV adds movement, so cable slack and strain become key checks. Route the cords clear of the arm’s joints, then test the full swivel range before settling on the sensor location. If the remote works only from some seats, adjust the sensor’s line of sight rather than sealing it behind the TV.
Box crowded against a wall
A tight gap can block both the box’s airflow and the TV’s rear exhaust path. A thin mount does not make that space safe by itself. If the manuals do not support the arrangement, move the box to a more open, approved location instead of enclosing it.
FAQ: concealing the box and keeping control
These direct answers cover the questions that matter most when choosing a mount, placing an IR extender, and checking the finished setup. Device instructions remain the source for model-specific limits, including ventilation, mounting, and remote compatibility.
Can I mount a streaming box behind my TV?
Often, if the box and accessory mount instructions allow it. Use a supported attachment point, stay within the mount’s load rating, and keep the box’s vents clear. Confirm the position does not block TV vents or service access.
Will an IR extender work with every streaming remote?
No. An IR extender relays infrared commands, but some remotes use Bluetooth or RF. Check the remote and extender manuals for compatibility before buying. An IR extender will not convert an incompatible control signal into IR.
Where should the IR emitter go?
Place the emitter directly over the streaming box’s IR receiver window, following the extender instructions. If you cannot identify the window, check the device manual. Test commands afterward; a small placement error may affect response.
Where should I put the IR sensor?
Place the sensor where it has a clear path to the remote from your usual seating area. It may sit near the TV’s edge or another discreet, unobstructed spot. Test from more than one seat before securing it.
Can I hide the box in a wall cavity?
Do not put it in an unventilated wall cavity or sealed space unless the device and enclosure instructions explicitly support that installation. The box needs suitable ventilation and service access. Follow applicable electrical and building rules for any in-wall wiring.
How much clearance does the box need?
There is no universal clearance. Use the exact box manual’s ventilation instructions and account for the TV’s vents and heat path. If the manual gives no clearance, do not infer a safe sealed-space distance; choose an open-sided position and verify operation.
How do I know if the box is overheating?
Check for the device’s stated operating-temperature limit and follow its monitoring guidance. Run it under typical sustained use and recheck after it warms up. If it exceeds the limit or behaves abnormally, switch it off and improve the placement.
Can power and low-voltage cables share a route?
Do not assume they can be bundled together. The permitted separation depends on the wiring method and applicable rules, including NEC 725.136 where relevant. Follow the cable and equipment instructions, local code, and qualified guidance when needed.
How much weight can an accessory mount hold?
Use the mount’s published load rating and compare it with the box’s weight and intended orientation. Do not exceed the rating or attach the accessory to a point the TV or bracket maker has not approved.
What should I do if the remote still fails?
Confirm that the remote uses IR and that the extender supports it. Then check the sensor’s view, the emitter’s position over the receiver window, and the extender’s connections. Reposition and retest before deciding the box needs a different mounting location.
Finish with a safe, serviceable setup
A tidy result depends on more than hiding the box from view. Choose an approved, ventilated mounting position, place a compatible IR sensor in clear view, and route cables so they cannot snag or pinch. Then test temperature, remote response, and TV movement before calling the installation complete.
(This article was written by one of our staff writers, Michael Holloway. Visit our Meet the Team page.)






