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Bosch PLM-8M8-US 8-Zone Channel DSP Digital Matrix Mixer
The PLM-8M8 PLENA matrix 8 Channel DSP Matrix Mixer is designed for maximum flexibility and reliability. It is the heart and soul of the PLENA matrix system. When combined with PLM-8CS call stations, PLM-WCP wall control panels and the PLM-4Px2x amplifiers; it is suitable for almost any application that requires up to 8 zones of high fidelity speech and background music (BGM). The audio quality is suitable for live music, background music, high demand speech environments and zone announcement applications. Some typical application include: Shopping centers, schools, restaurants, bars, nightclubs, cafes, gyms, recreational facilities, churches, warehouses, office buildings, regional airports, train stations, bus terminals, boardrooms, meeting rooms, conference facilities, small theme parks, museums, back of house performing arts centers and sports stadia.
Key Features
- Complete DSP zone matrix mixer and loudspeaker processor
 - 4 microphone/line, 3 music source, call station and emergency inputs
 - 8 independent output zones, and "Amp Link" outputs
 - Ethernet control and Windows PC GUI, and an iOS app for zone control via iPhone and iPad
 - RS485 connection for call stations and wall control panels
 
Technical Specifications
Electrical
 Power supply
 Mains voltage:
 Nominal input voltage
 100 - 240 VAC -,+10%,
 50/60 Hz
 Input voltage limits 
 90 - 264 VAC
 Power consumption
 No devices connected 
 Max. load/max. devices connected
 54 W
 Performance
 Frequency response (-1dB) 
 20 Hz to 20 kHz (+0/-3 dB)
 Mic./line input 4x
 Input Clip level:
 Pad off 
 8.4 dBu (6.2 dBV)
 Pad on 
 24.2 dBu (21.9 dBV)
 CMRR (1 kHz, 0 dBFS)) 
 >46 dB
 Phantom power supply 
 48 V
 THD 
 Dynamic range (A-weighted) 
 >103 dB
 Connectors 
 4x XLR/TRS combo
 BGM inputs 3x
 Input clip (Pad on) 
 10.2 dBu (8 dBV)
 THD 
 Dynamic range (A-weighted)
 >103 dB
 Connectors 
 3x pair of Cinch RCA
 Outputs
 Output level 
 17.7 dBu (15.5 dBV)
 Logic inputs
 Connector 
 2-pole Phoenix terminal (metric) 
 8CS and WCP (RS485)
 Call station connector 
 1x RJ45
 Wall control panel connector 
 1x RJ45
 Amplifier 2x
 Connector 
 RJ45
 Nominal level 
 1 V
 Impedance 
 Ethernet (10/100 MbIt's) 1x
 Connector 
 RJ45
 Mechanical
 Dimensions (H x W x D) 
 45 x 440 x 358 mm
 1.8 x 17.3 x 14.1 in
 (19" wide, 1RU high)
 Mounting 
 Stand-alone, 19" rack
 Color 
 Trafic black (RAL 9017)
 Silver (RAL 9006)
 Weight 
 Approx. 6 kg
 Approx. 13.23 lb
 Environmental
 Operating temperature 
 -10 degrees C to +45 degrees C
 Storage temperature 
 -40 degrees C to +70 degrees C
 Relative humidity 
 <95%
            
          