Audio T Verdict
The Monitor Audio W165 is a straightforward way to get proper passive-speaker performance without filling the room with boxes. Once installed, almost the entire loudspeaker disappears into the wall, leaving only the slim grille visible.
Monitor Audio hasn't forgotten about setup either. The C-CAM Gold Dome tweeter can be pivoted towards the listening area, while a three-position high-frequency control lets you fine-tune the treble after installation.
For multi-room audio, discreet stereo systems or home cinema duties, the W165 offers a sensible balance of sound quality, installation flexibility and unobtrusive appearance.
Monitor Audio W165
The W165 is a two-way in-wall loudspeaker from Monitor Audio's Basics custom-install range, designed to deliver room-filling sound while remaining almost invisible once fitted.
Its shallow-profile enclosure combines a 6.5-inch MMP II bass driver with a pivoting 1-inch C-CAM Gold Dome tweeter, while Monitor Audio's six-position Tri-Grip fixing system secures the speaker firmly into the wall.
- Two-way in-wall loudspeaker
- 6.5-inch MMP II bass driver
- 1-inch pivoting C-CAM Gold Dome tweeter
- 60Hz to 25kHz frequency response
- 88.5dB sensitivity
- 6-ohm nominal impedance
- 65W RMS power handling
- 20 to 65W recommended amplifier power
- Three-position HF level adjustment
- Six-position Tri-Grip fixing system
- 92mm mounting depth
- WB6 pre-construction bracket compatible
- Supplied individually
- Lifetime manufacturer warranty
Discreet In-Wall Sound
The W165 is designed to sit flush within a wall rather than occupying floor or shelf space like a conventional cabinet loudspeaker.
Once installed, only the grille remains visible in the room, making it particularly useful where conventional speakers would be visually intrusive or difficult to position.
That makes the W165 equally relevant to whole-home audio, living-room Hi-Fi and discreet home cinema installations.
6.5-Inch MMP II Bass Driver
Low and mid frequencies are reproduced by a 6.5-inch MMP II cone driver.
MMP II is Monitor Audio's Metal Matrix Polymer cone technology, developed to provide a rigid and lightweight diaphragm suitable for accurate bass and midrange reproduction.
The relatively generous 6.5-inch driver also gives the W165 useful low-frequency capability without requiring a large visible speaker cabinet within the room.
C-CAM Gold Dome Tweeter
High frequencies are handled by Monitor Audio's 1-inch C-CAM Gold Dome tweeter.
C-CAM stands for Ceramic-Coated Aluminium Magnesium and is one of Monitor Audio's longest-established drive-unit technologies.
The lightweight rigid dome helps the W165 achieve a specified upper frequency response of 25kHz.
Pivoting Tweeter
Because the speaker is fixed into the wall, the ability to physically turn the whole cabinet towards the listening position is lost.
Monitor Audio addresses this by mounting the C-CAM tweeter on a pivoting assembly.
The high-frequency driver can therefore be aimed towards the main listening area after the speaker itself has been installed, helping optimise stereo imaging and treble dispersion.
Getting the Tweeter Position Right
Once the speakers are installed, aim the pivoting tweeters towards the main listening position before making any final tonal adjustments. Small changes in tweeter angle can help improve focus and clarity, particularly when the speakers are mounted relatively far apart or away from seated ear height.
Adjustable High-Frequency Level
The W165 also includes a three-position high-frequency level control.
- +3dB: Increases high-frequency output
- 0dB: Neutral setting
- -3dB: Reduces high-frequency output
This gives the installer a simple way to compensate for room acoustics, speaker positioning or particularly reflective or absorbent furnishings.
60Hz to 25kHz Frequency Response
Monitor Audio specifies a frequency response of 60Hz to 25kHz.
That gives the W165 enough range for everyday music and television use while allowing a subwoofer to take over where deeper bass is required.
In a home cinema system, bass management through the AV amplifier can also reduce the low-frequency workload placed on the in-wall speakers.
88.5dB Sensitivity
The W165 has a specified sensitivity of 88.5dB at 1W/1m.
Nominal impedance is 6 ohms, making it suitable for use with a wide range of conventional stereo and multi-channel amplifiers.
Monitor Audio recommends amplifier power between 20 and 65 watts.
65W RMS Power Handling
The W165 has a manufacturer-specified RMS power handling of 65 watts.
This is well suited to typical multi-room installations and discreet home cinema systems where the objective is high-quality room-filling sound rather than extreme output levels.
107.4dBA Maximum SPL
Monitor Audio specifies a maximum sound pressure level of 107.4dBA.
That gives the W165 useful headroom for both music and movie soundtrack reproduction while retaining its compact flush-mounted format.
Six-Position Tri-Grip Fixing
The W165 uses Monitor Audio's six-position Tri-Grip dog-fixing system.
The fixings clamp the speaker securely against the rear of the wall surface as they are tightened, helping distribute the load around the frame.
The system is designed to make installation straightforward while keeping the speaker firmly supported once fitted.
Check the Wall Before Cutting
The W165 requires a 332 x 213mm cut-out and 92mm mounting depth. Before cutting the wall, check carefully for studs, electrical cables, pipes and other services and make sure there is sufficient clear depth behind the intended position.
Only 92mm Mounting Depth
The W165 has a mounting depth of just 92mm.
This shallow profile helps make it suitable for a wide range of wall constructions while still accommodating the full 6.5-inch bass driver.
Overall depth including the grille is 96mm.
332 x 213mm Wall Cut-Out
The required rectangular wall opening measures:
- Height: 332mm
- Width: 213mm
The overall visible dimensions including the grille are 370 x 250mm.
Monitor Audio provides a dedicated installation template and CAD drawing for accurate planning.
Mineral-Filled ABS Construction
The W165 chassis is manufactured from mineral-filled ABS and is RoHS compliant.
This provides a rigid mounting structure around the drive units while keeping the overall speaker weight to 2.21kg.
WB6 Pre-Construction Bracket
For new-build or renovation projects where the wall is still open, Monitor Audio specifies the WB6 Pre-Construction Bracket for the W165.
The bracket can be installed before the plasterboard or wall surface is completed, marking and supporting the correct speaker location and helping make the final cut-out easier to achieve accurately.
Planning a New Installation?
If the walls are still open, decide speaker positions, cable routes and amplifier location before the room is finished. Using the correct pre-construction bracket and running suitable speaker cable at this stage is considerably easier than trying to retrofit everything later.
Multi-Room Audio
The W165 works particularly well in multi-room installations where good-quality sound is wanted without conventional loudspeakers occupying the room.
Pairs can be installed in bedrooms, kitchens, dining rooms and living spaces and driven from suitable multi-zone amplification.
The discreet appearance also means the same speaker design can be repeated around the home without dominating the interior.
Home Cinema Applications
The W165 can also be incorporated into discreet home cinema installations.
Depending on the room and system layout, it can be used for front, side or rear channels where flush-mounted speakers are preferable to conventional cabinets.
Pairing the W165 with compatible Monitor Audio in-ceiling models such as the C165 or C180 also makes it possible to build a visually discreet multi-channel speaker system.
W165 or W180?
Monitor Audio offers two models within this part of its Basics in-wall range.
W165
- 6.5-inch MMP II bass driver
- 60Hz to 25kHz response
- 88.5dB sensitivity
- 65W RMS power handling
- 92mm mounting depth
- More compact installation
W180
- 8-inch MMP II bass driver
- Greater low-frequency capability
- Higher sensitivity
- Higher power handling
- Larger wall cut-out
- Better suited where greater scale is required
The W165 is the more compact and easier-to-accommodate model, while the larger W180 is the natural step up for rooms where greater bass output and dynamic capability are required.
In-Wall or In-Ceiling?
The choice between in-wall and in-ceiling speakers depends largely on the room layout and intended application.
In-wall speakers can provide a more conventional forward-facing presentation for stereo and home cinema systems, while in-ceiling models are often more practical for general background and whole-home audio.
The matching technology used across Monitor Audio's Basics range makes it possible to combine both approaches within the same installation.
Supplied Individually
The Monitor Audio W165 is supplied as a single speaker.
For conventional stereo use, two W165 speakers are therefore required. Home cinema and multi-room installations can use the number of speakers appropriate to the required channel or zone layout.
Key Features
- Monitor Audio W165
- Two-way in-wall speaker
- Supplied individually
- 6.5-inch MMP II bass driver
- 1-inch C-CAM Gold Dome tweeter
- Pivoting tweeter
- HF level adjustment
- +3dB / 0dB / -3dB HF settings
- 60Hz to 25kHz frequency response
- 88.5dB sensitivity
- 6-ohm nominal impedance
- 107.4dBA maximum SPL
- 65W RMS power handling
- 20 to 65W recommended amplifier
- Six-position Tri-Grip dog fixings
- Mineral-filled ABS construction
- 370 x 250mm overall dimensions
- 96mm overall depth
- 92mm mounting depth
- 332 x 213mm wall cut-out
- 2.21kg weight
- WB6 Pre-Construction Bracket compatible
- Installation template available
- CAD drawing available
- Lifetime manufacturer warranty
Frequently Asked Questions
Is the Monitor Audio W165 still current?
Yes. Monitor Audio continues to list the W165 within its current Basics custom-install range.
Is the W165 sold individually?
Yes. Each W165 is supplied as a single speaker, so two are required for a conventional stereo pair.
What size bass driver does the W165 use?
It uses one 6.5-inch MMP II cone bass driver.
What tweeter does the W165 use?
The W165 uses a 1-inch C-CAM Gold Dome tweeter.
Can the tweeter be aimed?
Yes. The C-CAM Gold Dome tweeter pivots so its output can be directed towards the listening area.
Can I adjust the treble level?
Yes. A three-position high-frequency switch provides +3dB, 0dB and -3dB settings.
What is the frequency response?
60Hz to 25kHz.
What is the sensitivity?
88.5dB at 1W/1m.
What is the nominal impedance?
6 ohms.
What amplifier power does Monitor Audio recommend?
Monitor Audio recommends amplification between 20 and 65 watts.
What is the power handling?
The W165 is rated at 65 watts RMS.
What is the maximum SPL?
Monitor Audio specifies 107.4dBA.
How deep does the W165 need to be installed?
The required mounting depth is 92mm.
What size hole needs to be cut?
The required rectangular cut-out measures 332 x 213mm.
What are the overall dimensions?
Including the grille, the W165 measures 370 x 250mm with an overall depth of 96mm.
How is the W165 secured in the wall?
It uses six Tri-Grip dog fixings that clamp the speaker frame securely to the wall surface.
Is there a pre-construction bracket?
Yes. Monitor Audio specifies the WB6 Pre-Construction Bracket for the W165.
Can the W165 be used for home cinema?
Yes. It can be used within discreet home cinema installations and combined with compatible Monitor Audio in-wall and in-ceiling speakers.
Can the W165 be used for multi-room audio?
Yes. Its discreet flush-mounted design makes it particularly suitable for multi-room and whole-home music systems.
How much does the W165 weigh?
2.21kg.
What warranty does the W165 have?
Monitor Audio currently specifies a lifetime manufacturer warranty.
Related Monitor Audio Products and Audio T Guides
Why Buy Monitor Audio Custom Install Speakers From Audio T?
With an in-wall speaker, getting the installation right is every bit as important as choosing the loudspeaker itself. Audio T can help with speaker positioning, amplifier matching, system layout and planning the number and location of speakers before any holes are cut.
- Monitor Audio product advice
- In-wall speaker planning
- Multi-room audio advice
- Home cinema system planning
- Amplifier matching
- Speaker positioning guidance
- Subwoofer integration
- In-wall and in-ceiling speaker matching
- Pre-construction planning
- Cable-routing advice
- Room-layout guidance
- Ongoing after-sales support
Contact your local Audio T store to discuss a Monitor Audio W165 installation or a complete discreet home audio system.