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Description
Sonodyne introduces the IWO 821, a dedicated centre channel speaker from the IWO 800 series, designed to deliver crystal-clear dialogue and seamless front-stage integration in home theatre systems.
Built with a slim 3.7” shallow profile, the IWO 821 fits perfectly below TVs or projection screens while maintaining powerful, dynamic sound performance.
With its 2.5-way design, dual woofers, and passive radiators, it ensures clear vocals, wide dispersion, and balanced audio — making it the most important speaker in your home theatre setup.
👉 Because in movies, 70% of audio comes from the centre channel — this is where the IWO 821 shines.
Key Features
- Dedicated centre channel speaker
- Slim 3.7” shallow profile design
- On-wall / in-wall installation
- 2.5-way speaker configuration
- 1” dome tweeter
- Dual 3” woofers + dual passive radiators
- Wide horizontal dispersion for dialogue clarity
- Key-hole mounting system
Driver Configuration (MTM Layout)
The IWO 821 features a D’Appolito (MTM) configuration:
- High Frequency: 1” dome tweeter
- Low Frequency: 2 × 3” woofers
- Passive Radiators: 2 × 3”
This design ensures:
- Clear and focused dialogue
- Wide horizontal sound dispersion
- Balanced front-stage imaging
Performance Specifications
- Amplifier Power: 60 – 100 Watts
- Nominal Impedance: 8Ω
- Sensitivity: 82 dB
- Frequency Response: 75Hz – 20kHz
Delivers:
- Excellent vocal clarity
- Controlled bass for a slim speaker
- Smooth and natural sound
Design & Build
- Type: On-Wall / In-Wall Centre Speaker
- Design: 2.5-Way
- Depth: 93 mm (ultra slim)
Dimensions (W x H x D)
- 500 mm × 220 mm × 93 mm
Weight
- 4.9 kg (per unit)
Built for:
- Placement under TV / screen
- Clean wall integration
- Stable and resonance-controlled performance
Installation & Mounting
- Key-hole bracket fitted (included)
- Optional in-wall bracket: IWO WB 63 (sold separately)
Supports:
- Wall mounting (horizontal placement)
- Flush in-wall installation
Applications
Perfect for:
- Centre channel in home theatre systems
- Dialogue-focused audio setups
- Premium living room theatres
- Paired with IWO 801 / 802 / 811 / 812 speakers
Pricing (India MRP)
- ₹21,400 per unit (incl. GST)
Sound Character
The Sonodyne IWO 821 delivers:
- Clear and precise dialogue
- Wide horizontal soundstage
- Balanced tonal output
- Smooth highs with controlled bass
Why Choose Sonodyne IWO 821
- Dedicated centre speaker (critical for movies)
- Slim design for modern interiors
- Wide dispersion for better seating coverage
- Perfect match with IWO 800 series speakers
- Clean and professional home theatre look
Conclusion
The Sonodyne IWO 821 is a purpose-built centre channel speaker that ensures clear dialogue, accurate imaging, and immersive cinematic experience.
For any serious home theatre setup, this is not optional — it’s essential.
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