Urban S1³ – telephone box / phone box for 1 person

1. Improved acoustics & sound insulation

• optimized multi-layer wall structure
• further improved sound absorption in the interior
• noticeably quieter conversation atmosphere

Result: less background noise, higher speech intelligibility

2. Significantly quieter and more efficient ventilation

• newly developed ventilation system
• even airflow
• complete air exchange approx. every 2 minutes
• extremely quiet operation - even during longer calls

Result: better air quality with very low fan noise

3. Higher quality materials & more stable construction

• Aluminum frame ≥ 1.5 mm
• additional powder-coated steel panels (1.0 mm)
• more precise workmanship

Result: more durable, high-quality, professional

4. New design and configuration options

• new exterior colors and interior colors for acoustic panels
• selectable frame shapes (square, round, flattened)

5. thought further

• continued 32 ± 3 dB sound insulation
• optionally with switchable smart glass

6. Barrier-free meeting boxes - Urban-Line 3rd generation

• Design according to the central requirements of DIN 18040
• available as M1³ barrier-free, L1³ barrier-free and L2³ barrier-free

Sound insulation (measured according to the latest ISO 23351-1 standard):

• Plus: 32±3 dB (ISO class A)
  • Massively improved sound insulation for maximum Requirements.

(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 residual noise.

Dimensions

• Outside: 960 × 1000 × 2185 mm
• Inside: 813 × 989 × 2005 mm

Weight

• approx. 243 kg

Glass

• 6 mm ESG safety glass

Power & Certification

• 110-220 V / 50 Hz
• Certification: CE compliant 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
• 1 year on electrics & interiors

Fire protection (tested safety)

The Urban-Line meets the highest international fire protection standards for use in modern office environments:

• Acoustic panels (walls): Certified according to ASTM E84 Class A (highest category). With a Flame Spread Index of 15 and a Smoke Developed Index of 40, they correspond to the German classification "flame retardant".
• Floor covering (carpet): Certified according to GB 8624-2012 Class B1 (C). This means that the carpet is officially classified as flame retardant .

Conformity & Environment

• CE conformity: The SoSilent Urban S1³ complies with all relevant European directives regarding safety, health protection and environmental protection.
• WEEE registration (ElektroG): SoSilent GmbH is registered under the WEEE reg. no. DE 46457506 registered to ensure complete compliance with the Electrical Act.

We will be happy to provide you with detailed test reports (SGS / National Carpet Quality Supervision) upon request by email or via our contact form.

Exterior colors

• White / Black / Individual color (RAL code)

Interior colors - acoustic panels

• Silver gray (standard), gray, red, orange, yellow, light brown
• Material: High density Acoustic polyester (fire protection: Class A / flame retardant)

floor

• carpet in anthracite (fire protection: B1 / flame retardant)

Option: table & seating

• fixed table (uniform for the Urban Line)
  • Table
  
  
• Seating depending on configuration
  • Bar Chair
  
  

Note: The price shown does not include interior fittings. This can be supplemented individually.

Glass options

• Plus - 32 ± 3 dB / Smart Plus with switchable Smart glass

Frame shape 

• Squared (standard) / Round / Flattened

• Telephone box in open space / Phone box for confidential conversations
• Acoustic telephone box for video calls

Note on Accessibility:
The Urban S1³ is not barrier-free. Barrier-free models: M1³, L1³ and L2³.