Meeting box SoSilent Classic L1 – soundproof office box for 4 people

SoSilent Classic L1: The space miracle for productive team meetings

The SoSilent Classic L1³ is the perfect soundproof meeting box for teams looking for space to collaborate without distraction. With an external width of 2200 mm, it offers enough space for meetings with four to six people, hybrid conferences or intensive project workshops directly in the open-space office.

Like the entire 3rd generation Classic series, the L1 impresses with its solid material quality and superior External height of 2350 mm. This ensures an exceptionally airy feeling of space that far exceeds conventional office boxes. A special advantage: thanks to the integrated roles Even this massive 650 kg box remains mobile and can be positioned flexibly in the office.

The highlights of the Classic Line 3rd generation

1. Superior ventilation & indoor climate

Powerful ventilation system with 330 m³/h air flow
Specially optimized for large room volumes and several people
Ultra-quiet operation (less than 35 dB) - no annoying fan noise during meetings

2. Solid construction for long-term use

High-strength aluminum alloy frame (1.5~2.5mm profile thickness)
Multi-layer acoustic walls (9+12 mm) for reliable insulation
High-strength, film-tempered safety glass

3. Maximum mobility & comfort

Integrated heavy-duty casters: Despite its weight, the box can be easily moved around the room
Finely adjustable feet for an absolutely horizontal stand on any floor
Comprehensive electrical package: socket, USB and network connection already integrated

Soundproofing & Acoustics

Two certified performance levels available:

Standard: 25±3 dB (ISO Class C)
Equipped with 10mm film tempered glass. The solid solution for discreet meetings with normal noise levels.
Plus: 28±3 dB (ISO Class B)
The premium version with 11.14 mm acoustic glass and reinforced door frame. Ideal for confidential meetings where maximum external discretion is required.

💡 Our acoustic engineers have optimized the box specifically for the frequency range of human speech in order to guarantee maximum intelligibility inside while maintaining silence outside.

Technical data

Dimensions

Outside: 2200 × 1500 × 2350mm (W × D × H)
Inside: 2070 × 1456 × 2128mm (W × D × H)

Weight

approx. 650kg

Equipment & Light

Light: Integrated 4000K LED system for natural work light
Connections: 1x socket (220V), 1x USB, 1x RJ45 network interface
Central control switch for light and ventilation
Antistatic, sound-absorbing low-pile carpet

Certification

CE: Full compliance with EU standards
WEEE: SoSilent GmbH is registered under the WEEE reg. no. DE 46457506 registered to ensure complete compliance with electrical law.
Fire protection: Use of certified, flame-retardant composite materials

Individualization & special dimensions

The Classic Line offers the industry's greatest flexibility for architects and planners:

Special dimensions: On request, we can manufacture the Classic L1 exactly to your individual room dimensions.
Variety of colors: Choose from our standard colors or any RAL color for frames and panels.
Smart options: Switchable smart glass (transparent/milky) or individual glass side configurations.
Branding: Individualization with company logo or exclusive corporate design.

Certifications & Security

Tested safety for your employees

Fire protection: Solid aluminum alloy construction and soundproof environmental protection panels.
Electrical safety: CE-certified components for safe continuous use.
Environmental responsibility: 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 reports and data sheets via email upon request.

In short

The SoSilent Classic L1 is the professional solution for modern teamwork. With its solid construction, superior room height and unique freedom of dimensions, it is the ideal conference room replacement that grows with your company.