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MMS-ST stereo contact microphone
MMS-ST · Integrated dual probes and two stereo audio outputs
MMS-ST professional stereo contact microphone

MMS-ST · Stereo contact microphone

Stereo contact microphone with dual audio outputs

MMS-ST combines dual contact probes and an amplifier in one compact unit for monitoring sound through walls, ceilings and floors. Two stereo outputs support live headphone monitoring and external recording at the same time.

  • Dual contact probes built into the unit.
  • Integrated microphone and amplifier.
  • Two 3.5 mm stereo audio outputs.
  • One 9 V battery with at least 50 hours of guaranteed runtime.
  • 140 × 34 × 46 mm; 260 g including the battery.

Product code: MMS-ST

Price on request

Describe the surfaces and audio equipment you plan to use.

Technical consultation, training and support.
+39 080 302 6530

Monitor and record at the same time

Integrated contact pickup

Dual probes and an amplifier share a single housing for direct placement against the monitoring surface.

Two stereo outputs

Separate 3.5 mm jacks connect headphones and an external recorder, keeping live monitoring available during recording.

9 V battery power

Runs on one 006P, 6F22 or 6LR61 battery with at least 50 hours of guaranteed operation. Total weight is 260 g including the battery.

Full description

Contact probes and amplifier in one unit

MMS-ST is a professional stereo contact microphone for monitoring speech and other sounds transmitted through walls, ceilings and floors. Its integrated dual probes pick up surface vibrations, and the built-in amplifier feeds the signal to the audio outputs.

The combined design measures 140 × 34 × 46 mm. Audio pickup depends on the material, structural thickness and contact between the probes and the surface.

Simultaneous listening and external recording

Two 3.5 mm stereo outputs allow headphones and an external recorder to remain connected together. The operator can monitor live audio while retaining a recording for later review. The DIGICELL portable recorder is a recommended recording option.

The unit uses one 9 V battery, type 006P, 6F22 or 6LR61, and weighs 260 g including the battery. Guaranteed battery runtime is at least 50 hours.

Technical specifications

Sensors and audio connections
Device typeStereo contact microphone
SensorsIntegrated dual probes
AmplifierBuilt into the microphone housing
Audio outputs2 × 3.5 mm stereo jacks
Monitoring and recordingSimultaneous, using headphones and an external recorder
Power and dimensions
Power supply1 × 9 V battery, type 006P / 6F22 / 6LR61
Guaranteed battery runtimeAt least 50 hours
Weight260 g including battery
Dimensions140 × 34 × 46 mm
ApplicationContact audio monitoring through walls, ceilings and floors

Applications

Adjacent-room monitoring

For authorized audio monitoring in offices, hotels and apartments, contact pickup provides a listening point through an adjoining surface when direct access is unavailable.

Live monitoring with audio documentation

Use one output for headphones and the other for an external recorder to follow the audio as it is captured and retain it for subsequent review.

Low-level sound pickup

Monitor voices and other sounds transmitted through walls, ceilings or floors. The integrated dual probes and amplifier provide a compact setup for contact listening.

Technical support

Application review

Discuss the surfaces, contact points and monitoring requirements before selecting a system.

Setup and training

Guidance on surface contact and headphone and recorder connections.

After-sales assistance

Technical support for monitoring, battery power and audio connections.

Talk to our team

Specify your contact monitoring setup

Describe the surfaces and your monitoring or recording requirements. Our team can review the application and provide pricing for MMS-ST.

Or call us: +39 080 302 6530