The Bose® PowerMatch PM4500N configurable professional power amplifier provides concert-quality sound with scalability and configurability for fixed installation sound reinforcement systems. Ethernet-equipped versions enable network configuration, control and monitoring, and an expansion slot supports input from optional digital audio accessory cards. PowerMatch amplifiers utilize numerous Bose technologies to deliver an unprecedented combination of performance, efficiency and ease of installation.
Allows the 4 available channels to be configured as Mono, V-Bridge, I-Share or Quad mode, allowing amplifier power to be allocated to multiple output channels. V-Bridge and Quad modes can drive either low impedance or 70/100V loads.
Bose® ControlSpace® Designer™ software Auto-Standby/Auto-Wake function
PowerMatch amplifiers are fully configurable using ControlSpace Designer software via the onboard front panel USB connection, or the rear panel Ethernet connection (network models only). ControlSpace Designer software allows access to additional features including: Parametric EQ stages, load sweep of each output channel and auto standby. ControlSpace Designer software is also used to integrate network model PowerMatch amplifiers into larger control and monitoring systems comprised of Bose ESP processors and CC control centers.
When enabled, this function automatically enters/exits Standby Mode, allowing the system to consume less power.
Dual voltage and current feedback loop
Proprietary design combines Class-D efficiency with a unique current and voltage feedback loop circuit that continuously monitors and controls both the current and voltage delivered to the loudspeaker load. Independent of power level and load impedance, the amplifier consistently delivers the widest possible dynamic range, frequency response and lowest possible distortion.
PeakBank™ power supply
Regenerative 4-quadrant power supply enables higher power density while allowing the re-use of energy from reactive loads. This design delivers sustainable and repeatable low frequency response.
Fast-tracking power factor correction (PFC)
Efficiently manages the current drawn from the AC mains to provide maximum output longer without power fluctuation. PFC provides superior transient response and functions at peak burst power much longer than conventional Class-D amplifier designs.