The Yamaha XM4180 is a discontinued 4-channel power amplifier from the XM series, designed for professional installed sound systems in venues like theaters, conference rooms, and halls. It is a compact and lightweight unit that offers versatile operation modes and solid performance for its class.
Key features
Four independent channels: The XM4180 provides four channels of power amplification, rated at 180W per channel into 8 ohms and 250W per channel into 4 ohms (at 1kHz, 1% THD+N).
Versatile operation modes: It can operate in three different modes, selectable from the rear panel:
Stereo mode: Provides four independent amplification channels.
Parallel mode: Allows two mono sources to drive two channels each.
Bridged mode: Combines two channels into a single, higher-power mono amplifier.
70V line capability: The XM4180 can also function as a distribution power amplifier, driving multiple high-impedance speakers via a 70V line output in bridged mode.
Input and output connectivity: Inputs include balanced XLR and Euroblock connectors, while outputs are via five-way binding posts.
High-pass filter: Each pair of channels (A/B and C/D) features a switchable high-pass filter with cutoff frequencies at 20 Hz or 55 Hz.
Monitor/remote jack: This jack on the rear panel allows for monitoring and control of the amplifier from an external device.
Compact design: The unit features a compact, lightweight 2U rack-size chassis, making it easy to handle and install.
