SoSilent Box
Urban M3³ – workplace box for 2 people
Urban M3³ – workplace box for 2 people
Availability for pickups could not be loaded
The new generation of the Urban-Line M3 meeting box for modern offices
The SoSilent Urban M3³ is a high quality one Meeting box / work box for 2 people in the office from the 3rd generation Urban Line.
The Urban-Line is SoSilent's highest quality product line and stands for maximum acoustic performance, precise workmanship, durable materials and a clear, modern design.
It was specifically developed to meet the increasing requirements of modern open-space offices: more space, better acoustics, quieter technology, higher quality materials and maximum configurability.
The Urban M3³ is the consistent further development of the previous Urban series - noticeably better than the 2nd generation. And it is already premium compared to the market.
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 in open space
Result: Less noise, high speech intelligibility – even with several people
2. Significantly quieter and more efficient ventilation
- newly developed ventilation system
- even airflow throughout the room
- complete air exchange approximately every 2 minutes
- Extremely quiet operation – even during longer meetings
Result: pleasant room climate without noticeable fan noise
3. Higher quality materials & sturdy construction
- Aluminum frame ≥ 1.5mm
- additional powder-coated steel panels (1.0mm)
- precise processing
- high stability even with larger room volumes
Result: Durable, high-quality, professional – designed for continuous use in the office
4. New design & configuration options
- new exterior colors
- new interior colors for acoustic panels
- selectable Frame shapes (square, round, flattened)
- modular configuration logic
Result: Can be optimally integrated into modern office and room concepts
5. Smart Plus Glass – thought ahead
- continue 32 ± 3 dB sound insulation
- improved acoustic effect in the room
- optional with switchable smart glass
- Privacy at your fingertips
- ideal for confidential team discussions
Result: maximum flexibility with high acoustic performance
6. Barrier-free meeting boxes – Urban-Line 3rd generation
- barrier-free designs within the for the first time Urban Line – 3rd generation
- optimized for Level access and comfortable use with a wheelchair
- Interpretation according to the central requirements of DIN 18040
- available as
- M1³ barrier-free
- L1³ barrier-free
- L2³ barrier-free
- developed for inclusive, sustainable working environments
Result: Barrier-free use with the full acoustics, technology and design quality of the Urban Line
*Note on DIN 18040:
The barrier-free models of the Urban Line – 3rd generation are based on the specifications of DIN 18040.
M1³ barrier-free and L1³ barrier-free due to their compact design Door lights and turning surface from the full DIN dimensions, but in practice they can be used for wheelchairs.
The L2³ barrier-free Fully meets the requirements of DIN 18040, including door passage and free turning area.
Technical data
Dimensions
- Outside: 2150 × 1350 × 2185mm
- Inside: 2003 × 1202 × 2005mm
Weight
- Closed back wall (acoustic panel): 510kg
- Split back wall (acoustic panel + glass): 482kg
- 2x glass wall (front & back): 450kg
Sound insulation
- Plus: 32 ± 3dB
- SmartPlus: 32 ± 3 dB (with switchable smart glass)
Glass
- 6 mm ESG safety glass
Lighting
- integrated LED ceiling light
- 5000K (neutral white)
- Presence sensor
Ventilation
- fully automatic ventilation system
- complete air exchange approximately every 2 minutes
Power & connections
- 110-220V/50Hz
- integrated USB system (12 V)
Guarantee
- 5 years on frame & construction
- 1 year on electrical & interior
Interior decoration
- Various table and seating configurations possible:
- designed for 2 people
- ideal for meetings, workshops and longer video conferences
Note: The price shown does not include interior fittings. This can be supplemented individually.
Colors & materials
Exterior colors
- White
- Black
- Petrol
- Lemon yellow
- Red
Interior colors – acoustic panels
- Silver gray (standard)
- Grey
- Red
- Orange
- Yellow
- Light brown
(Please specify the desired interior color when requesting a quote/ordering. This option cannot currently be selected as a variant in the shop. The standard is “silver gray”)
floor
- Carpet in Anthracite
Options & Configurations
Glass options
- Plus – 32 ± 3dB
- SmartPlus – 32 ± 3 dB with switchable smart glass
Wall configuration
-
Closed back wall
Maximum sound insulation, quiet and shielded feeling of space. -
Split back wall
Combination of acoustics and transparency, balanced feeling of space. -
2× glass wall (front & back)
Maximum transparency and brightness, open feeling of space, slightly lower sound insulation than with a closed back wall.
Frame shape
- Square (standard)
- Round
- Flattened
(Please specify the desired frame shape when requesting a quote/ordering. This option cannot currently be selected as a variant in the shop. The standard is “square”.)
Typical areas of application for the meeting box
- Meeting box for 2 people
- Retreat for teamwork in open space
- Video conferences & hybrid meetings
- Creative and workshop room
- Addition to larger conference rooms
In short
The Urban M3³ is the one flexible Urban-Line team room: more space, strong acoustics and maximum configurability – for concentrated collaboration without compromises.
More peace and quiet, better technology, higher quality design – the Urban-Line meeting box in the 3rd generation.
Share

Interior decoration
-
Space Line interior
The interior design of the Space Line offers everything modern meeting boxes...
-
Interior of the Classic Line
The Classic Line stands for proven room-in-room concepts - and the right...
-
Urban Line interior
The Urban-Line interior was specially developed for our soundproof meeting boxes and...
Subscribe to our news
Be the first! All information about new products or special offers.