Ashly MA250.4 – 4-Channel Multi-Mode Power Amplifier with Intelligent Power Sharing
The Ashly MA250.4 is a next-generation 4-channel power amplifier designed for ultimate flexibility, efficiency, and performance in professional audio installations. Featuring Ashly’s proprietary D-MAX™ Class D amplifier technology and Advanced Intelligent Power Sharing, this amplifier delivers up to 250W per channel (or 500W bridged), ensuring clean, reliable power with significantly reduced energy consumption.
What sets the MA250.4 apart is its multi-mode operation, allowing each channel to be independently configured for Low Z (2, 4, 8 Ohms) or Hi Z (25V, 70V, or 100V) output. This makes it ideal for complex, multi-zone installations like houses of worship, schools, theaters, auditoriums, and commercial AV systems.
The MA series includes features like SailFlow™ directed fan cooling, front-panel controls with security lockout, HPF & limiter switches per channel, and remote volume and standby control ports, making it one of the most versatile amplifiers available for integrators and installers.
Key Features:
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250W per channel (4-channel) or 500W bridged with power sharing
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Advanced Intelligent Power Sharing distributes power across channels as needed
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Multi-mode operation per channel: supports 2Ω, 4Ω, 8Ω, and 25V/70V/100V
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SailFlow™ cooling system for efficient thermal management
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Front panel gain & power controls with lock-out for secure installs
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HPF (80Hz) and limiter switch on each channel
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2RU rack-mountable design, perfect for permanent installations
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Remote volume and standby ports, plus LED status indicators for system monitoring
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Bridging support for channel pairs
Ideal For:
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Houses of worship
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Schools & auditoriums
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Multi-zone commercial AV systems
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Theaters & performance venues
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Distributed audio systems
Technical Overview:
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Feature
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Details
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Channels
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4 (with bridged mode support)
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Power Output
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250W/channel or 500W bridged (per pair)
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Impedance Support
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2Ω, 4Ω, 8Ω (Low Z) and 25V, 70V, 100V (Hi Z)
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Power Sharing
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Intelligent, dynamic across channels
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Cooling System
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SailFlow™ directed air cooling
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Rack Size
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2RU standard rack-mount
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Controls
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Front-panel volume & power with lock-out
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Remote Features
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Volume control, standby, CV ports
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Certifications
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CE, RoHS, UL60065, FCC
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