Professional Audio Surveillance

Advanced technologies for discreet and controlled remote listening and recording of conversations, designed for investigative, corporate, and security purposes.

Spy phone app Small voice recorders Micro earpiece Listening devices Landline bugs Transceivers Microphones Voice changers

Audio surveillance is a broad term that refers to the use of electronic devices to intercept and record conversations remotely. It includes the use of spy mobile phones, environmental listening bugs, professional micro recorders, GSM, Wi-Fi, or radio-based systems, as well as encrypted digital solutions—engineered to operate reliably even in complex environments.

Spy phones and mobile phone interception

Solutions for monitoring mobile communications, available as ready-to-use devices or dedicated software.

Small voice recorder for investigative purposes

Endoacustica’s professional spy micro recorders are compact, discreet devices engineered for high-quality hidden audio recording. Designed for investigative, corporate, and personal use, they capture conversations with exceptional clarity, offer extended battery life, and maximum ease of use.

Mini voice recorder

Wireless micro earpieces

Discreet wireless earpieces engineered for seamless, undetectable communication. Compact, virtually invisible, and effortless to use, they enable secure, long-range covert conversations—making them ideal for professional, investigative, and personal contexts.

Spy earpiece

Listening devices

Systems designed for discreet audio monitoring of indoor and outdoor surveillance.

Listening devices

Subcategories

Landline phone bugging devices

Devices designed for audio interception on fixed telephone lines. Engineered for professional use, they ensure high-quality listening, discretion, and direct integration with the telephone system.

Landline telephone bugs

Handheld radio transceivers and receivers

Devices designed to receive and record audio signals transmitted by covert listening devices. They enable real-time audio monitoring and are primarily used in professional investigative operations.

Transceivers and receivers

Professional microphones

High-performance microphones engineered for long-range audio surveillance. Includes wall-mounted and directional microphones specifically designed for investigative applications.

Voice changers

Devices designed to modify voice tone during phone communications. Professional solutions created to protect privacy and ensure anonymity.

Professional voice changers

Do uou have a specific need?

Speak directly with an Endoacustica consultant.