Bosch - PLM-4P220, 4 x 220 W PLENA Matrix DSP Power Amplifier

Features

- Professional four-channel power amplifier

- Digital Class D amplification technology

- 220 W continuous output per channel

- Four independently controlled amplifier channels

- Compatible with 100 V loudspeaker lines

- Compatible with 70 V loudspeaker lines

- Compatible with 8 Ω low-impedance loudspeakers

- Compatible with 4 Ω low-impedance loudspeakers

- Simultaneous operation with different output configurations

- Mixed loudspeaker loads without performance loss

- Bridged operation available for channels 1 and 2

- Bridged operation available for channels 3 and 4

- Up to 385 W continuous bridged output

- Up to 445 W burst bridged output

- Fully integrated digital signal processor

- Independent input mixer for every amplifier channel

- Flexible mixing of all four audio inputs

- Adjustable priority-input level

- Integrated noise generator for system setup

- Integrated Bosch loudspeaker library

- Compatible with Electro-Voice loudspeaker presets

- Compatible with Dynacord loudspeaker presets

- Eight-band parametric equalizer per channel

- Configurable high-pass filters per channel

- Configurable low-pass filters per channel

- Crossover filters up to eighth order

- Integrated Dynamic Bass Enhancement

- Automatic bass enhancement at lower listening levels

- Output delay adjustable up to 120 ms per channel

- Independent dynamic-range compressor per channel

- Adjustable threshold, ratio, attack and release

- Adjustable compressor makeup gain

- Output-power limiting for every channel

- Independent output-level control for all four channels

- Independent channel-mute function

- Complete system-mute function

- Independent channel-fault indication

- Independent thermal indication per channel

- Dedicated Amp Link connection for the PLM-8M8

- Four-channel audio transmission through one CAT 5 cable

- Amp Link operation without additional configuration

- Professional balanced audio inputs

- XLR, TRS and Phoenix Euroblock connections

- Parallel-wired input connections

- Convenient loop-through connection for every input

- Balanced line-level override input

- Override activation through contact closure

- Override input takes priority over all other sources

- Complete configuration through PC software

- Intuitive PC graphical user interface

- Remote control through an iOS application

- Compatible third-party control through Ethernet

- Integrated 10/100 Mbps Ethernet interface

- Manual standby control through the software

- Environmentally friendly automatic standby mode

- Automatic activation through an optional motion detector

- Full operation restored in less than one second

- Smooth background-music ramp after standby

- Integrated 12 VDC output for a motion detector

- Reduced power consumption during standby

- Signal and clipping indicator for every channel

- Fault indicator for every channel

- Front-panel mains-power indicator

- No accessible front-panel control knobs

- Protection against unintended user adjustments

- Rear-panel output-attenuation controls

- Rear-panel input-sensitivity switches

- Rear-panel bridged-mode switches

- Rear-panel mains-power switch

- Stand-alone or 19-inch rack installation

- Professional two-rack-unit enclosure

- 19-inch rack-mounting brackets included

Specifications

- Brand: Bosch

- Model: PLM-4P220

- Product number: F.01U.269.005

- Product range: PLENA matrix

- Product type: Multi-channel DSP power amplifier

- Number of channels: 4

- Amplifier technology: Class D

- Continuous rated output per channel: 220 W

- Burst rated output per channel: 220 W

- Continuous bridged output per channel pair: 385 W

- Burst bridged output per channel pair: 445 W

- Available bridged pairs: Channels 1-2 and 3-4

- Supported loudspeaker outputs: 100 V, 70 V, 8 Ω and 4 Ω

- THD+N at 1 kHz: 0.03%

- A-weighted dynamic range: Greater than 102 dB

- Frequency response: 65 Hz to 20 kHz, +0/-3 dB

- Crosstalk at 1 kHz: Less than -70 dB

- Number of DSP input mixers: 4

- Output equalizer: Eight-band parametric EQ per channel

- Crossover filters: High-pass and low-pass

- Maximum crossover order: Eighth order

- Maximum output delay: 120 ms per channel

- Dynamic processing: Independent DRC compressor per channel

- Bass-processing function: Dynamic Bass Enhancement

- XLR inputs: 4 balanced three-pin connectors

- Phoenix inputs: 4 balanced three-pole terminals

- Amp Link input: 1 RJ45 connector

- Loudspeaker outputs: 4 three-pole Phoenix terminals

- Override input: Balanced and contact activated

- Logic and standby override: Two-pole Phoenix terminal

- Network interface: RJ45 Ethernet, 10/100 Mbps

- Auxiliary output: 12 VDC for a motion detector

- Computer control: PC graphical user interface

- Mobile control: iOS application

- Third-party control: Compatible Ethernet commands

- Nominal mains voltage: 100 to 240 VAC ±10%

- Input-voltage limits: 90 to 264 VAC

- Mains frequency: 50/60 Hz

- Power consumption at -6 dB: 412 W

- Idle power consumption: 36 W

- Standby power consumption: 6 W

- Dimensions: 90 × 440 × 417 mm

- Rack format: 19 inches, 2U

- Mounting: Stand-alone or rack-mounted

- Colors: Traffic black RAL 9017 and silver RAL 9006

- Weight: Approximately 18 kg

- Operating temperature: -10 °C to +45 °C

- Storage temperature: -40 °C to +70 °C

- Relative humidity: Less than 95%

- Safety standard: EN 60065

- EMC emission standard: EN 55103-1

- EMC immunity standard: EN 55103-2

- Regional certification: CE

- Supplied components: PLM-4P220 amplifier and mains power cord

- Supplied accessories: 19-inch rack-mounting brackets

- Supplied cable: One-meter shielded CAT 5 cable

- Supplied documentation: Safety documentation