Description

Bosch PLM-4P220 4x220W High-Power Amplifier for Large Audio Networks


The Bosch PLM-4P220 is a 4-channel high-power amplifier delivering 220 W per channel, designed for large multi-zone audio networks. It provides reliable, low-distortion amplification, flexible speaker outputs, and seamless integration with Bosch Plena systems, making it ideal for commercial complexes, schools, hospitals, auditoriums, and other facilities requiring professional multi-channel PA performance.

Features of Bosch PLM-4P220

  • 4 independent channels with 220 W RMS per channel
  • High-efficiency Class-D amplification
  • Flexible speaker outputs: 100 V, 70 V, or 8 Ω
  • Low distortion and high signal-to-noise ratio for clear sound
  • Front-panel LED indicators for power, signal, and clipping
  • Protective circuitry for short-circuits, overload, and thermal protection
  • Seamless integration with Bosch Plena mixer and call station systems
  • Rack-mountable design for professional installation
  • Compact and lightweight for easy deployment
  • Fan-cooled with temperature monitoring for stable operation

Applications of Bosch PLM-4P220

  • Large multi-zone offices and corporate buildings
  • Schools, universities, and educational campuses
  • Retail stores, shopping malls, and commercial venues
  • Hospitals, clinics, and healthcare facilities
  • Hotels, restaurants, and hospitality environments
  • Conference rooms, auditoriums, and large auditoria
  • Warehouses, factories, and industrial facilities requiring high-power multi-channel PA

 

Specifications of Bosch PLM-4P220

ModelBosch PLM-4P220
Channels4 independent channels
Output Power per Channel220 W RMS
Amplifier TypeClass-D high-efficiency
Speaker Outputs100 V, 70 V, 8 Ω
Frequency Response20 Hz – 20 kHz (+/-1 dB)
Distortion (THD)< 0.1% at rated output
Signal-to-Noise Ratio> 90 dB
CoolingFan-cooled with thermal monitoring
ProtectionOverload, short-circuit, thermal protection
Input Sensitivity0.775 V / 1 V line level
Power Supply230 V AC ±10%, 50/60 Hz
Dimensions (H × W × D)88 × 482 × 350 mm (2U, 19″ rack)
WeightApprox. 11.5 kg
Use CasesHigh-power multi-zone PA, commercial audio, professional installations
ComplianceEN 60065, EMC standards

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