+44(0)1663 767888


The Bosch PLM-8M8 Plena Matrix 8 channel DSP matrix mixer is incredibly flexible and reliable and when used in conjunction with the 4 channel PLENA Matrix power amps, call stations and wall panels, its ideal for any sound system requiring up to 8 zones of high quality speech and background music.

Ideal for sound systems in shopping centres, schools, churches, restaurants and conference venues.

The PLM8M8 has 4 microphone / line, 3 music source, call station and emergency inputs along with 8 independent output zones, and CAT 5 “Amp Link” outputs.

The PLENA Matrix system is designed to be versatile and easy to use. Users can control the audio settings and adjust volume levels wirelessly via an iPad® or iPhone® app. The PLM 8M8 PLENA matrix 8-channel DSP Matrix Processor provides complete control over the audio configuration and signal processing. Users can simply walk into a particular zone and confidently mix and select inputs whilst controlling output levels. From live and background music environments to high demand speech applications, this iOS app sets new standards for end user control.

RJ45 Ethernet port provided for PC connection.

The tamper resistant design has no controls on the front or rear of the unit; DSP processes and input mixing is all controlled by GUI via PC or iOS app, customisable for different levels of user.

Free standing or rack mounted using included 19" rack mounting ears.

Additional Information

Mic / Line input - 4x XLR/TRS combo 3pin (balanced)

Input Clip level

Pad off: 8.4 dBu (6.2dBV)

Pad on: 24.2 dBu (21.9 dBV)

CMRR (1 kHz, 0 dBFS))

>46 dB

Phantom power supply

48 V

BGM Inputs – 3x Cinch RCA style connectors

Input clip (Pad on)

10.2 dBu (8 dBV)


<0.004 %

Dynamic range (A‑weighted)

>103 dB


Output level

17.7 dBu (15.5 dBV)

Logic inputs


2‑pole Phoenix terminal (metric)

CST and WCP (RS485)

Call station connector

1x RJ45

Wall control panel connector

1x RJ45

Ethernet (10/100 Mbit/s)

1x RJ45


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)


Approx. 6 kg / 13.23 lb

View FileEC Declaration of Conformity: PLM-8M8    Size: (725.31 KB)
View FileBosch PLM-8M8 PLENA Matrix Mixer Datasheet    Size: (237.43 KB)
Product video for Bosch PLM-8M8
we recommend
Bosch PLM-8CS

Bosch PLM-8CS

List price Ex. VAT: £490.00


List price Ex. VAT: £206.00
Bosch Plena Matrix PLM-4P125 / PLM-4P220

Bosch Plena Matrix PLM-4P125 / PLM-4P220

List price Ex. VAT: £1,200.00