Key Features:
- MP3 Playback: Supports USB and SD inputs for music playback.
- FM Tuner: Features RDS, preset station storage, and digital control.
- Simultaneous Operation: Independent outputs for the digital music player (USB/SD) and FM tuner.
- Separate Outputs: Individual and combined audio outputs, with automatic priority switching to the media player.
Description:
The PRM-UST Music Source is a professional-grade, multi-source music player designed for background music in public address and commercial audio systems. Ideal for applications in hotels, retail environments, restaurants, gyms, and other commercial spaces, it delivers seamless music playback from USB drives, SD cards, or FM radio.
Its compact and versatile design ensures compatibility with existing audio setups, offering both standalone and rack-mounted installation options. The user-friendly interface, combined with remote control functionality, ensures easy operation and management of audio sources.
Key Functions:
-
USB/SD Playback:
- Supports memory capacities up to 32 GB (approximately 8000 tracks).
- Compatible with multiple file formats, including MP3, WMA, WAV, FLAC, APE, and M4A.
- Bit-rate support: 32 kbps to 320 kbps (CBR and VBR).
- Automatically searches and plays supported files, regardless of folder structure.
-
FM Tuner:
- Digitally controlled for precise station capture within the 87.5 – 108 MHz range.
- Memory presets for storing favorite radio stations.
-
Simultaneous Outputs:
- Separate outputs for the digital media player and FM tuner for independent operation.
- Combined output prioritizes media playback but switches to FM tuner when inactive.
-
Audio Control:
- Adjustable volume for both outputs using front panel buttons or remote control.
- Superior audio performance with low distortion and high signal-to-noise ratio.
Certifications & Regulatory Information:
- Safety: EN 62368‑1
- Emissions: EN 55032, EN 61000-3-3
- Immunity: EN 55035
- Environment: EN IEC 63000, RoHS compliance
- Region Certification: CE (Europe)
Parts Included:
- PRM-UST Music Source Unit
- Mains power cord
- 19-inch mounting brackets with screws
- Remote control (battery not included)
- Stereo RCA audio cables (2)
- FM antenna cord with connector
- 16 GB SD memory card
- Quick installation guide
- Safety information
Technical Specifications:
-
Electrical:
- Mains Power Supply: 110-120 VAC or 220-240 VAC, 50-60 Hz
- Power Consumption: 15 W
-
FM Tuner:
- Frequency Range: 87.5 – 108 MHz
- Signal-to-Noise Ratio: >50 dB
- Input Sensitivity: 26 dBu
-
USB/SD Player:
- Supported File Systems: FAT, FAT32, exFAT
- Frequency Response: 50 Hz – 18 kHz
- Signal-to-Noise Ratio: >75 dB
- Total Harmonic Distortion: <0.5%
-
Mechanical:
-
Dimensions:
- With brackets: 44 mm x 482 mm x 250 mm
- Without brackets: 44 mm x 430 mm x 250 mm
- Weight: 3.20 kg
- Color: RAL 9017 Traffic Black
-
Dimensions:
-
Remote Control:
- Dimensions: 130 mm x 44 mm x 20 mm
- Weight: 32 g (excluding batteries)
-
Environmental:
- Operating Temperature: 0 °C to 45 °C
- Storage Temperature: -40 °C to 70 °C
- Relative Humidity: <90% (non-condensing)

BOSCH
Bosch Plena - PRM-UST Music source, USB, SD, Tuner
Key Features:
- MP3 Playback: Supports USB and SD inputs for music playback.
- FM Tuner: Features RDS, preset station storage, and digital control.
- Simultaneous Operation: Independent outputs for the digital music player (USB/SD) and FM tuner.
- Separate Outputs: Individual and combined audio outputs, with automatic priority switching to the media player.
Description:
The PRM-UST Music Source is a professional-grade, multi-source music player designed for background music in public address and commercial audio systems. Ideal for applications in hotels, retail environments, restaurants, gyms, and other commercial spaces, it delivers seamless music playback from USB drives, SD cards, or FM radio.
Its compact and versatile design ensures compatibility with existing audio setups, offering both standalone and rack-mounted installation options. The user-friendly interface, combined with remote control functionality, ensures easy operation and management of audio sources.
Key Functions:
-
USB/SD Playback:
- Supports memory capacities up to 32 GB (approximately 8000 tracks).
- Compatible with multiple file formats, including MP3, WMA, WAV, FLAC, APE, and M4A.
- Bit-rate support: 32 kbps to 320 kbps (CBR and VBR).
- Automatically searches and plays supported files, regardless of folder structure.
-
FM Tuner:
- Digitally controlled for precise station capture within the 87.5 – 108 MHz range.
- Memory presets for storing favorite radio stations.
-
Simultaneous Outputs:
- Separate outputs for the digital media player and FM tuner for independent operation.
- Combined output prioritizes media playback but switches to FM tuner when inactive.
-
Audio Control:
- Adjustable volume for both outputs using front panel buttons or remote control.
- Superior audio performance with low distortion and high signal-to-noise ratio.
Certifications & Regulatory Information:
- Safety: EN 62368‑1
- Emissions: EN 55032, EN 61000-3-3
- Immunity: EN 55035
- Environment: EN IEC 63000, RoHS compliance
- Region Certification: CE (Europe)
Parts Included:
- PRM-UST Music Source Unit
- Mains power cord
- 19-inch mounting brackets with screws
- Remote control (battery not included)
- Stereo RCA audio cables (2)
- FM antenna cord with connector
- 16 GB SD memory card
- Quick installation guide
- Safety information
Technical Specifications:
-
Electrical:
- Mains Power Supply: 110-120 VAC or 220-240 VAC, 50-60 Hz
- Power Consumption: 15 W
-
FM Tuner:
- Frequency Range: 87.5 – 108 MHz
- Signal-to-Noise Ratio: >50 dB
- Input Sensitivity: 26 dBu
-
USB/SD Player:
- Supported File Systems: FAT, FAT32, exFAT
- Frequency Response: 50 Hz – 18 kHz
- Signal-to-Noise Ratio: >75 dB
- Total Harmonic Distortion: <0.5%
-
Mechanical:
-
Dimensions:
- With brackets: 44 mm x 482 mm x 250 mm
- Without brackets: 44 mm x 430 mm x 250 mm
- Weight: 3.20 kg
- Color: RAL 9017 Traffic Black
-
Dimensions:
-
Remote Control:
- Dimensions: 130 mm x 44 mm x 20 mm
- Weight: 32 g (excluding batteries)
-
Environmental:
- Operating Temperature: 0 °C to 45 °C
- Storage Temperature: -40 °C to 70 °C
- Relative Humidity: <90% (non-condensing)