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Description
Sonodyne introduces the IWO 811, a high-performance slim on-wall / in-wall speaker designed for premium home theatre and multi-room audio systems.
Positioned above the 801 and 802, the IWO 811 features an advanced 2.5-way design with dual woofers and passive radiators, delivering significantly richer bass and wider sound dispersion — all while maintaining a sleek, ultra-slim profile.
It is ideal for users who want powerful, room-filling sound from a discreet installation speaker.
Key Features
- Slim 3.7” shallow profile design
- Flexible on-wall / in-wall installation
- 2.5-way speaker configuration (major upgrade)
- 1” dome tweeter
- Dual 3” woofers + dual passive radiators
- Higher output and improved bass response
- Key-hole mounting system
- Designed for premium home theatre setups
Driver Configuration (Advanced 2.5-Way Design)
The IWO 811 features:
- High Frequency: 1” dome tweeter
- Low Frequency: 2 × 3” woofers
- Passive Radiators: 2 × 3” high-compliance
This results in:
- Deeper bass than 801 / 802
- Better low-frequency extension without large cabinet
- Wider and more immersive soundstage
Performance Specifications
- Amplifier Power: 60 – 100 Watts
- Nominal Impedance: 8Ω
- Sensitivity: 83 dB
- Frequency Response: 75Hz – 20kHz
Delivers:
- Balanced and fuller sound
- Better bass presence than entry models
- Ideal for medium-sized rooms
Design & Build
- Type: On-Wall / In-Wall Shallow Profile Speaker
- Design: 2.5-Way
- Depth: 93 mm (ultra slim)
Dimensions (W x H x D)
- 220 mm × 500 mm × 93 mm
Weight
- 5 kg (per unit)
Built for:
- Premium interior integration
- Minimal wall protrusion
- Strong cabinet stability
Installation & Mounting
- Key-hole bracket fitted (included)
- Optional in-wall bracket: IWO WB 63 (sold separately)
Supports:
- Surface wall mounting
- Flush in-wall installation
Applications
Perfect for:
- Front L/R speakers in home theatre
- Surround channels in premium setups
- Slim floor-standing alternative (wall-mounted)
- Multi-room audio systems
Sound Character
The Sonodyne IWO 811 delivers:
- Fuller and deeper bass (thanks to passive radiators)
- Clear vocals and dialogue
- Wider soundstage than 801/802
- Smooth highs with good detail
Why Choose Sonodyne IWO 811
- Major upgrade over 801 & 802
- 2.5-way design for better performance
- Slim design with powerful sound
- Ideal for premium home theatre setups
- Excellent balance of size vs output
Conclusion
The Sonodyne IWO 811 is a powerful slim-profile speaker that bridges the gap between compact installation speakers and full-sized Hi-Fi speakers.
With its dual woofers, passive radiators, and enhanced output, it delivers a more immersive and dynamic sound experience while maintaining a clean, modern look.
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