Products·In-Wall Series

Oak

In-Wall Home Cinema Speaker

A full-range 3-way speaker tuned for distance listening. Powerful, neutral, and engineered for home cinema excellence.

XSP-IW-OAK
350W4Ω40Hz – 22kHzPassive
BlackCustom RAL
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A luxury marketing graphic for the XSCACE Oak (CIN-IW-OAK) high-performance in-wall home theater speaker system, showcasing the 3-way architectural drivers and red tweeter plate in the foreground, with two black-grilled speakers flush-mounted seamlessly on wood-paneled walls in a modern living room background.
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Design Philosophy
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No passive compromiseThree dedicated drivers — two 8.5″ woofers, a 5″ midrange, and a 1″ ceramic dome tweeter — each optimised for its band alone. No driver asked to do what it was not designed for.
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No cabinet resonance
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No off-axis degradation
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No visible hardware
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40Hz to 22kHz. In the wall.
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Oak
Oak
Contents7 sections

Technical Specifications

19 parameters · scroll to explore
Power RMS
350W
fills a large living room
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Acoustic
Power RMS
350W
Power Peak
450W
Impedance
4Ω
Sensitivity
90dB
Frequency
40Hz – 22kHz ±3dB
Driver
4
Physical
Dimensions
H 894.8 × W 297.9 × D 135.9 mm
Weight
15.8kg
Housing
Birch Wood
Colours
Black
Custom RAL
+20% · 45–60 days
Power Type
Passive
Cutout
894.8 × 297.9 mm
Cavity Depth
148mm
Paintable Grille
No
Grille Material
Mild Steel
Crossover
Built-In Passive Crossover (3-way)
Max SPL
117dB
THD+N
≤0.2% @ 1W/1m
H 894.8mmW 297.9mmD 135.9mmrotated 90° for display
Spec SheetInstall Guide
Acoustic Measurements

Frequency Response & Directivity

Frequency Response
On-axis · 1W/1m · 40Hz – 22kHz ±3dB · 90 dB sensitivity
Polar Pattern
Normalised polar response · H 180° / V 25° (−6 dB @ 1 kHz)
Proprietary Technology

Built different. By design.

Full Technology Story
PrecisionXover Array
PowerDense Dynamics
Pairs With

Built to work together

view of the XSCACE Juniper deep-bass subwoofer sitting on rubber isolation feet on a hardwood floor, highlighting its powerful exposed woofer cone engineered for immersive home audio.
Subwoofer Series
Juniper
350W · 8Ω · 92dB
XSCACE Lucifer 8 eight-channel power amplifier front panel
Amplifier Series
Lucifer 8
250W · 8Ω
A luxury promotional banner for the XSCACE Aster 6 - LCR architectural in-ceiling speaker, highlighting the angled internal driver configuration and minimalist white mesh grill against a dark, fluid metallic backdrop.
In-Ceiling Series
Aster 6 LCR
150W · 8Ω · 92dB
Close-up of an XSCACE Willow architectural surround sound speaker flush-mounted on a textured concrete-finish pillar, highlighted by vertical warm LED strip lighting.
In-Wall Series
Willow
300W · 8Ω · 88dB
In Use

Common installations

Source
AVR
Any AVR
Dolby Atmos
Home Cinema 7.1.4 · Any Surround Processor · Custom 18–21″ Subwoofer × 2–4 depending on room
Sound Simulation
Don’t see your setup?
Draw your own room, place this speaker in it, and see the predicted coverage before you specify.
Install Guide ↓Build My System →
Technical Reading

Engineering notes.

Engineering notes and technical background on the Oak — how it is built, measured and configured.

Case Study: A 50×40ft Private Home Cinema
Article
Case Study: A 50×40ft Private Home Cinema
How a full-scale private home cinema got theater-grade surround sound — XSCACE Oak behind the screen, Willow o…
In-Wall vs In-Ceiling Speakers — Which Is Right for Your Project?
Article
In-Wall vs In-Ceiling Speakers — Which Is Right for Your Project?
In-wall and in-ceiling speakers are both architectural — but mounting position changes the acoustic character …
PrecisionXover Array™ — The Crossover Nobody Sees and Everybody Hears
Article
PrecisionXover Array™ — The Crossover Nobody Sees and Everybody Hears
A speaker's crossover is its most overlooked, most consequential component. PrecisionXover Array™ uses hand-se…
Mobile App
XSCACE Controller
iOS & Android
XSCACE Controller
When paired with Air Amp or Air Mini, control this speaker from your phone. Volume, sources, multiroom groups, a 10-band parametric EQ, and X-Sense AI room calibration that maps the room as you walk it — all in one app.
Learn more →
Gallery

Oak in context

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Oak 6

Oak In-Wall Speaker delivers clear, balanced sound in a sleek, space-saving design. This premium in-wall speaker is perfect for home theatre systems, offering powerful audio while staying hidden inside your walls. Ideal for modern homes seeking hidden speakers, architectural speakers, or an invisible home audio system, it combines luxury style with high-performance sound in a clean, minimal look.

Frequently asked questions5 answers
What is the XSCACE Oak?

Specified by high-end integrators for primary listening rooms, home cinema installations, and luxury residential projects in the UK, Canada, and the Middle East.

What is the frequency response of the Oak?

The Oak covers 40Hz–22000Hz (±3dB).

What is the power output of the Oak?

The Oak is rated at 350W RMS (450W peak) into 4Ω.

Is the Oak an in-ceiling, in-wall, or slim-array speaker?

The Oak is an in-wall product, mounted via External L-Bracket flush mount.

How deep is the Oak?

The Oak requires 135.9mm of depth (148mm cavity), engineered to sit as close to flush as the driver geometry allows.

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