Sonos In-Wall (set of 2)
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Overview
In-wall Sonos speakers represent the culmination of a collaboration between two major players in residential audio. This pair of in-wall speakers combines Sonos’s technological expertise with the craftsmanship of Sonance, the California pioneer of architectural speakers since 1983. The result goes beyond a simple sum of skills: these speakers transform your walls into high-quality sound sources while preserving the visual integrity of your interior.
Acoustic design engineered for in-wall installation
The Sonos In-Wall adopt a two-way configuration with a 6.5-inch polypropylene woofer and a one-inch soft-dome fabric tweeter. The woofer, featuring a rubber surround and high-excursion design, produces particularly rich and dynamic mid and low frequencies. This polypropylene cone was chosen for its optimal rigidity and ability to faithfully reproduce sonic nuances without unwanted coloration.
The tweeter incorporates a specially designed waveguide to optimize the dispersion of high frequencies. This technology delivers remarkable treble clarity while widening the optimal listening area. The frequency response ranges from 44 Hz to 20 kHz (±3 dB), offering full spectral coverage for all types of content, from classical music to movie soundtracks.
Installation requires a rectangular cutout 273 mm high by 176 mm wide, with a mounting depth of 89 mm. Four integrated screw-down dog-ears ensure a firm hold against the wall, with a minimum 25 mm clearance required around the opening to accommodate these mechanisms. The magnetic grilles, held by several powerful magnets positioned on the frame, sit perfectly flush with the wall once installed.
Trueplay intelligence: when acoustics adapts to your space
Pairing with the Sonos Amp unlocks the full potential of these speakers thanks to Trueplay technology. This acoustic calibration feature, exclusive to Sonos, analyzes how sound waves reflect off the walls, furniture, and other surfaces in your room. Using the microphone of an iOS device during setup, Trueplay measures the specific acoustic characteristics of your space and automatically adjusts the speaker settings.
The process takes about three minutes and requires walking around the room while making vertical movements with the mobile device, allowing the system to precisely map the acoustic behavior of the space. Once calibration is complete, digital signal processing (DSP) applies a tailor-made correction that compensates for acoustic irregularities caused by room geometry or speaker placement.
The Amp automatically recognizes Sonos architectural speakers thanks to their unique impedance values. This detection triggers the application of a DSP profile optimized specifically for these models, ensuring a more consistent frequency response and stable system performance. A single Amp can power up to three pairs of In-Wall speakers wired in parallel, efficiently providing sound for large spaces.
Grilles designed for visual invisibility
The rectangular grilles measure 299 mm high by 200 mm wide and protrude just 4.7 mm from the wall. Their minimalist design has been meticulously engineered for full customization: they can be painted with any standard wall paint to blend seamlessly into your interior decor.
The painting process requires gently removing the acoustic fabric attached to the back of the grille with a light adhesive. A hair dryer or heat gun makes this operation easier by softening the adhesive. Once the grille is painted and dry, the acoustic fabric goes back exactly into its original position, thus preserving acoustic performance while delivering a perfect visual integration.
This approach allows the speakers to become truly invisible in the living space. Unlike traditional speakers that assert their visual presence, the In-Wall models disappear into the very structure of the building, freeing up floor and surface space while maintaining top-tier sound quality.
Installation versatility and multiple configurations
The Sonos In-Wall offer remarkable flexibility in their implementation. For a home theater setup, several approaches are possible. The first is to use one pair as rear channels with a Sonos soundbar for the front channels, all driven by an Amp. The second, more ambitious option uses two pairs of In-Wall—one for the front channels, the other for the rears—each powered by its own Amp, creating a 4.1 system where the Amp generates a phantom center channel between the front speakers.
Optimal placement for surround speakers is on the side walls, between 60 cm and 1.8 meters behind the main listening position, at a height of 1.5 to 2.1 meters from the floor. This configuration ensures a coherent and immersive sound envelope. To avoid early reflections that can cause distortion or reverberation, maintain a minimum spacing of 60 cm between each speaker and the adjacent perpendicular walls.
Vertical orientation remains preferred to maintain optimal tweeter alignment, although horizontal installation is technically feasible to accommodate specific architectural constraints. In all cases, the tweeter should ideally be positioned at ear level when seated to maximize clarity and precision in sound reproduction.
Documentation
Technical Specifications
General Description
- Passive in-wall speakers
- Round grilles
- Customizable finish (can be painted)
Audio Performance
- Crystal-clear sound at all volume levels
- Consistent acoustic quality throughout the room
Installation
- Type: in-wall
- Mounting: wall or ceiling integration
Aesthetics
- Shape: round
- Grille: removable
- Customization: compatible with decorative paint
Box Contents
- 2 Sonos In-Wall in-wall speakers
- 2 speaker grilles
- Cutting template
- Documentation: installation guide, legal notices, warranty
Frequently Asked Questions
Do In-Wall speakers absolutely require a Sonos Amp to work?
These passive speakers do require external amplification. While they can technically work with any 8-ohm compatible amplifier, using the Sonos Amp unlocks essential features: automatic speaker recognition, application of an optimized DSP profile, Trueplay calibration, and full integration into the Sonos ecosystem for control via the mobile app.
Can the In-Wall speakers be installed horizontally instead of vertically?
Horizontal installation is possible to accommodate architectural constraints, notably above doors or in tight spaces. However, vertical orientation remains preferable to optimize sound dispersion and tweeter alignment. In a horizontal position, aim the tweeters outward to widen the soundstage, or inward to focus it according to your listening preferences.
How exactly does Trueplay calibration work with an iOS device?
Trueplay emits a series of tones and frequency sweeps through the speakers while you move around the room with your iPhone or iPad. The device’s microphone records how these sounds behave in the space, analyzing reflections off surfaces and absorption by furniture. The algorithm then creates a custom acoustic profile that automatically corrects detected anomalies, optimizing frequency response for your specific setup.
What’s the difference between the Sonos In-Wall and In-Ceiling speakers?
The In-Wall models have a rectangular shape optimized for wall installation with cutout dimensions of 273 x 176 mm, while the In-Ceiling models use a circular form for ceiling mounting. In-Walls are particularly suited to home theater installations where ear-height placement maximizes clarity, whereas In-Ceilings excel at ambient audio distribution or as effects speakers in a Dolby Atmos configuration.
Can the grilles really be painted without affecting sound quality?
The grilles are specifically designed to accept paint while preserving acoustic integrity. The removable acoustic fabric at the back of the grille must be taken off before painting and then replaced. This design ensures that paint does not clog the perforations needed for sound transmission, allowing complete visual customization without compromising audio performance.
Can a single Amp power multiple pairs of In-Wall speakers?
The Sonos Amp can power up to three pairs of architectural speakers (six speakers total) wired in parallel. This capability allows you to cover large spaces or multiple zones with a single amplifier. The system automatically applies the appropriate DSP settings to maintain optimal performance even with multiple pairs connected, ensuring uniform sound distribution throughout the space.
How do you determine the ideal speaker placement in a room?
For pure stereo use, space the speakers 1.8 to 3 meters apart, forming an equilateral triangle with the listening position. In a home theater setup, place the front speakers on either side of the screen, slightly toed in toward the center. Surrounds should be positioned to the sides or slightly behind, at ear height. Always keep a minimum distance of 60 cm from corners to avoid problematic reflections.
- Eco-contribution included in the sale price.
- Manufacturer reference: INWLLWW1
- GTIN / EAN: 8717755776006
