Bosch PRM-USTB music player

Bosch PRM-USTB Music Player

The Bosch PRM-USTB is a music source unit for Bosch Public Address and Voice Alarm (PA/VA) systems, commonly used in solutions such as PAVIRO.

Key Features

• Music streaming via Bluetooth® from compatible devices
• MP3 playback from SD card and USB inputs
• FM tuner with RDS, presets, and digital control
• Simultaneous operation of SD/USB player and FM tuner
• Separate audio outputs for digital source and FM tuner

Technical Specifications

Power & Electrical

• Voltage range: 110 — 120 VAC ±10%, 50 — 60 Hz / 220 — 240 VAC ±10%, 50 — 60 Hz
• Power supply fuse: 0.63 A / 250 V
• Power consumption: 15 W

FM Tuner

• Frequency range: 87.5 — 108 MHz
• Frequency response: 50 Hz — 12 kHz ±3 dB
• Channel separation (1 kHz): >25 dB
• Signal-to-noise ratio (S/N): >50 dB
• FM input sensitivity: 26 dBu
• Antenna impedance: 75 ohm
• Audio output level: 1.5 V rms ±1 dB at 10 kΩ

Audio (Digital Source)

• Frequency response: 50 Hz — 18 kHz ±1 dB
• Signal-to-noise ratio (1 kHz): >75 dB
• Total harmonic distortion (THD, 1 kHz): <0.5%
• Channel separation (1 kHz): >70 dB
• Audio output level: 1.5 V rms ±1 dB at 10 kΩ

Connectivity & Storage

• USB output current limit: 500 mA max. (front and rear USB ports combined)
• Memory card capacity: up to 32 GB
• Supported file systems: FAT, FAT32, exFAT
• Supported audio formats: mp3, wma, wav, flac, ape, m4a
• Bluetooth® version: 5.0

Contact for Consultation

KPS is an official distributor of Bosch Public Address systems in Vietnam, committed to providing genuine products imported directly from the manufacturer with full CO/CQ documentation.

 For detailed and accurate pricing, please contact us directly.
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