BOSCH Plena Matrix
The Bosch Plena Matrix is a versatile digital audio system for professional multi-zone sound installations. Its core components include the PLM-8M8 DSP Matrix Processor, DSP power amplifiers (PLM-4P125/4P220), wall control panels, and call stations. The system offers wireless control via iOS app, Windows-based GUI, and Ethernet integration for building management systems. Featuring quick installation with Amp Link and Cat 5 connectivity, it delivers high-quality audio with full DSP processing, low distortion, wide frequency response, and a built-in loudspeaker library. Energy-efficient Class D amplifiers with auto-standby and motion sensor integration reduce power consumption by up to 80%. Advanced DSP functions include EQ, compression, crossover, delay, presets, and access control, ensuring flexible, reliable, and professional-grade audio performance.
Product Details
PLM-8M8 – DSP Matrix Mixer
Power Supply:
Mains voltage:
• Nominal input voltage 100 – 240 VAC ±10%, 50/60 Hz
Performance:
- Freq. response (±1dB): 20 Hz to 20 kHz (-0 / 3 dB)
- Phantom power supply: 48 V
- THD+N (BGM): <0.004 %
- Dynamic range: >103 dB(A)
PLM-4Px2x – DSP Amplifiers
Power:
Mains voltage:
• Nominal input voltage 100 – 240 VAC ±10%, 50/60 HzPower consumption (6dB/idle/standby):
• PLM 4P125 254 W / 27 W / >6 W
• PLM 4P220 412 W / 36 W / >6 W
Performance:
Rated outputs voltage/impedance:
• 100 V / 70 V / 8 ohm / 4 ohmRated output power per channel:
• PLM 4P125 130 W
• PLM 4P220 220 WBridged (CH 1+2 / 3+4):
• PLM 4P125 250 W*
• PLM 4P220 445 W*
* Burst in accordance to CEA-490-A R-2008
PLM-8CS – Call Station
Power:
Powered over Cat 5 by the PLM-8M8 Matrix Mixer
Performance:
- Microphone Polarity: Cardioid
- Freq. response (-3dB): 100 Hz to 20 kHz (-0/-3 dB)
- Input Clip level: -11 dBu (-13.3 dBV)
- THD+N (1 kHz, 6 dBFS): <0.03 %
- Dynamic range: >97 dB(A)
- Output level: 24.4 dBu (22.2 dBV)
PLM-WCP - Wall Control Panel
Power:
Powered over Cat 5 by the PLM-8M8 Matrix Mixer
Performance:
- Microphone Polarity: Cardioid
- Freq. response (-3dB): 100 Hz to 20 kHz (-0/-3 dB)
- Input Clip level: -11 dBu (-13.3 dBV)
- THD+N (1 kHz, 6 dBFS): <0.03 %
- Dynamic range: >97 dB(A)
- Output level: 24.4 dBu (22.2 dBV)