SoSilent Box
Urban M3³ – meeting box for 2 people **Stocked goods including interior fittings** (3rd generation)
Urban M3³ – meeting box for 2 people **Stocked goods including interior fittings** (3rd generation)
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Express: Immediately from stock
The new generation of the Urban-Line M3 meeting box for modern offices
The SoSilent Urban M3³ Express in white with smart glass and split back wall is a high-quality Meeting box / work box for 2-3 people from the 3rd generation Urban Line.
The Urban-Line is SoSilent's highest quality product line and stands for maximum acoustic performance, precise workmanship and a clear, modern design.
This preconfigured express model is already produced and ready for use in your office within a very short time - including a high-quality furniture package.
The most important innovations of the 3rd generation of the Urban Line
1. Improved acoustics & sound insulation
- optimized multi-layer wall structure
- further improved sound absorption in the interior
- quiet, concentrated working and conversation atmosphere
- ideal for meetings, workshops & video conferences
Result: less background noise, higher speech intelligibility
2. Significantly quieter and more efficient ventilation
- newly developed ventilation system
- even airflow throughout the room
- complete air exchange approximately every 2 minutes
Result: pleasant room climate without noticeable fan noise
3. Higher quality materials & sturdier construction
- Aluminum frame ≥ 1.5mm
- additional powder-coated steel panels (1.0mm)
- high stability even with larger room volumes
Result: Durable, high-quality, professional – designed for continuous use
4. New design & configuration options
- new exterior colors and interior colors for acoustic panels
- selectable Frame shapes (square, round, flattened)
5. Smart Plus Glass – thought ahead
- continue 32 ± 3 dB sound insulation
- optional with switchable smart glass for privacy at the touch of a button
6. Barrier-free meeting boxes – Urban-Line 3rd generation
- Interpretation according to the central requirements of DIN 18040
- available as M1³ barrier-free, L1³ barrier-free and L2³ barrier-free
Soundproofing & Acoustics
Sound insulation (measured according to the latest ISO 23351-1 standard):
-
Plus: 32±3 dB (ISO Class A)
- Maximum discretion for team meetings and confidential conversations.
(Important: The switchable “Smart Glass” option automatically includes the best possible plus sound insulation).
💡 Good to know: How to read our acoustic values
- Certified standards: Tested according to ISO 23351-1.
- The masking effect: A normal office has a basic noise level of around 45 dB. If our box attenuates a conversation to 30 dB, the room absorbs the remaining noise.
Technical data
Dimensions
- Outside: 2150 × 1200 × 2185mm
- Inside: 2003 × 1052 × 2005mm
Weight
- approx. 482kg (version with split rear panel)
Electricity & Certification
- 110-220V/50Hz
- Certification: CE compliant to EU standards
- WEEE reg. no.: Registration under the WEEE reg. no. DE 46457506
- Fire protection: Panels Class A / Carpet B1 (flame retardant)
Guarantee
- 5 years on frame & construction
Certifications & Security
Fire protection (certified safety)
The Urban-Line meets the highest international fire protection standards:
- Acoustic panels (walls): Certified to ASTM E84 Class A (highest category). Corresponds to the German classification "flame retardant".
- Floor covering (carpet): Certified to GB 8624-2012 Class B1 (C). This makes the carpet official flame retardant classified.
Compliance & Environment
- CE conformity: The SoSilent Urban S1³ complies with all relevant European guidelines regarding safety and environmental protection.
- WEEE registration: SoSilent GmbH is registered under the WEEE reg. no. DE 46457506 registered to ensure complete compliance with electrical law.
We will be happy to provide you with detailed test reports (SGS) upon request.
Including interior fittings (express package)
This express model already includes the complete furnishing:
- Seating furniture: 2x classic sofa (gray)
- Table: 1x normal table (anthracite)
Note: The price shown already includes the interior fittings listed.
Colors & materials
Exterior colors
- White
Interior colors – acoustic panels
- Silver gray (standard)
- Material: High-density acoustic polyester (fire protection: Class A)
floor
- Carpet in Anthracite (Fire protection: B1 / flame retardant)
In short
The Urban M3³ Express is the turnkey solution for your team: more space, strong acoustics, certified security and including furniture – available immediately for concentrated collaboration without compromises.
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