Telephone box SoSilent Classic S1 – soundproof phone box for 1 person

SoSilent Classic S1: The robust all-rounder for concentrated phone calls

The SoSilent Classic S1³ is the ideal soundproof phone box for individuals who require a quiet and distraction-free environment. As a massive all-rounder of our 3rd generation, it combines an extremely stable construction with an impressive external height of 2350mm – making it the most spacious choice for tall users.

The Classic Line impresses with its versatility: whether standard configuration or individual adaptation in special colors and glass options - this box is designed to integrate perfectly into your existing office structure without compromising on acoustics.

The highlights of the Classic Line 3rd generation

1. Solid construction & materials

High-strength aluminum alloy (1.5~2.5mm profile thickness)
Combination of 10mm tempered glass and special environmental protection records (9+12mm)
Maximum stability thanks to robust frame construction

2. Ultra-quiet high performance ventilation

Fully automatic system with a throughput of 220 m³/h
Noise level extremely low under full load (below 35 dB)
Continuous air circulation for an always fresh room climate

3. Maximum mobility & flexibility

Equipped with movable rollers for easy rearrangement in the office
Additional adjustable fixed feet for optimal stability on any surface
Integrated power and network interfaces for immediate operational readiness

Soundproofing & Acoustics

Choose your desired level of protection:

Standard: 25±3 dB (ISO Class C Equivalent)
Equipped with 10mm high strength film tempered glass. Ideal for moderate noise insulation in normal everyday office life.
Plus: 28±3 dB (ISO Class B equivalent)
Uses 11.14mm sound-absorbing glass and a reinforced door frame. This version neutralizes speech noise (1000-4000 Hz) with peak values of over 38 dB.

💡 Good to know: Our cabins are optimized to filter the frequencies of human voices particularly well, making conversations practically inaudible to outsiders.

Technical data

Dimensions

Outside: 1000 × 900 × 2350mm
Inside: 870 × 866 × 2128mm

Weight

approx. 328kg

Equipment & connections

1 socket (220V), 1 USB port, 1 network interface
Integrated 4000K LED light (neutral white)
Antistatic, sound-absorbing low-pile carpet

Certification

CE compliant: Meets all EU safety standards
WEEE reg. no.: SoSilent GmbH is registered under the WEEE reg. no. DE 46457506 registered to ensure complete compliance with electrical law.
Fire protection: Certified soundproof environmental protection panels

Certifications & Security

Tested quality

The Classic Line was developed for safe use in commercial environments:

Fire protection: Use of flame-retardant composite materials and safety glass.
Compliance: Full CE certification for the electrical components and the overall system.
Environment: We fulfill our take-back obligations according to ElektroG (WEEE).

We will be happy to provide you with test reports and technical certificates upon request.

Customization options

The Classic Line is our most flexible model. The following options can be requested individually:

Colors: Large selection (black, white, blue, green, orange, red, gray) or individual RAL special colors.
Glass configuration: Available with 1-sided, 2-sided or 3-sided glazing.
Smart glass: Optional switchable glass (from transparent to milky via remote control).
Branding: Customization with your company logo or corporate design.

Typical areas of application

Telephone box for confidential telephone calls
Retreat for focused work in open space
Compact space for video calls
Flexible room-in-room solution thanks to integrated castors

In short

The Classic S1 is the robust powerhouse for your office. Maximum height, certified safety and incomparable freedom in color design – the all-rounder for the modern working world.