PPS-27 Soundproof Enclosure with White Noise Generator

A professional soundproof enclosure designed to protect confidential conversations from the privacy risks associated with smartphones and other connected devices. Combines acoustic isolation and active noise masking in a secure, easy-to-use solution for sensitive meetings.

Protecting Sensitive Conversations

Smartphones and other connected devices contain microphones capable of capturing conversations taking place around them. During confidential meetings, this creates a potential privacy exposure even when devices are not actively being used.

The PPS-27 provides a practical way to manage this risk by acoustically isolating participating devices from the surrounding conversation for the duration of the meeting.

Acoustic Isolation and Active Noise Masking

The PPS-27 uses two complementary layers of acoustic protection.

Its engineered, multi-layer soundproof enclosure physically reduces the transmission of external speech to the microphones of devices placed inside. This acoustic isolation is combined with an integrated white noise generator, which creates active noise masking within the enclosure to further reduce the intelligibility of any speech reaching those microphones.

This combination of passive acoustic isolation and active noise masking is the core protection principle of the MuteCase Vault Series.

Simple to Use During Meetings

Before a sensitive discussion begins, participants place their smartphones and other connected devices inside the PPS-27. The enclosure is closed and the integrated noise-masking system is switched on. The devices remain inside for the duration of the confidential conversation and are removed when the meeting is complete.

This straightforward process allows an organisation to establish a consistent device-management procedure for sensitive meetings without requiring changes to the devices themselves or specialist technical knowledge from meeting participants.

The PPS-27 is USB powered for continuous operation and includes an integrated control with LED status indication, allowing users to confirm that the active noise-masking system is operating.

Professional Applications

The PPS-27 is designed for environments where confidential conversations and sensitive information are routinely discussed, including:

• Board and executive meetings

• Legal consultations and confidential negotiations

• Government and public-sector environments

• Law-enforcement and defence meetings

• Sensitive research and development discussions

• Investigative and journalistic work

Its handcrafted wooden construction and discreet professional appearance allow it to remain permanently accessible in boardrooms, meeting rooms and executive offices rather than being treated as specialist equipment that must be deployed for each meeting.

The PPS-27 Within the Vault Series

The PPS-27 is designed as a fixed-format, multi-device solution within the MuteCase Vault Series. It is intended for organisations that require a dedicated acoustic privacy enclosure for regular confidential meetings, combining physical sound isolation and active noise masking in a simple desktop format.

For environments that also require devices to be isolated from wireless and RF communication, the MuteCase Citadel Series adds Faraday shielding to the acoustic protection concept.