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• Powerful Class A/B Performance: Delivers up to 150W per channel at 8 ohms, 235W per channel at 4 ohms, or 470W in bridged-mono mode.
• Flexible Dual-Source Control: Automatically switches between two audio sources and includes two speaker-zone outputs for versatile system configurations.
• Easy System Integration: Supports signal-sensing auto-on, manual power, and 12V trigger activation in a rack-mountable chassis.

The OSD Audio AMP300 is a high-current, two-channel amplifier built for whole-house audio systems, home theaters, and dedicated media rooms. Its robust toroidal power supply delivers dependable output, while dual-source priority switching, speaker-level input capability, and flexible turn-on options make it easy to integrate into new or existing audio systems.

• Amplifier Type: Class A/B
• Channels: 2
• Maximum Output at 8 Ohms: 150W per channel
• Maximum Output at 4 Ohms: 235W per channel
• Bridged-Mono Output at 8 Ohms: 470W
• Peak Power Output: 350W per channel
• Supported Impedance: Stable from 8 ohms down to 2 ohms
• Frequency Response: 20Hz–20kHz, +0.0dB / -0.5dB
• Signal-to-Noise Ratio: -103dB, referenced to rated power at 4 ohms
• Source Inputs: Dual line-level inputs with priority switching
• Speaker-Level Input: Yes
• Speaker Outputs: Zone A and Zone B
• Source Switching: Automatic dual-source priority switching
• Turn-On Modes: Manual, signal sensing, or 12V trigger
• Connections: Interrupting line input, main input/output, 12V trigger, Zone A output, and Zone B output
• Power Supply: High-output toroidal power supply
• Voltage Compatibility: 110V/220V
• Rack Mountable: Yes
• Dimensions: 16.5" L × 5.25" H × 14" D
• Weight: 40 lbs
• Warranty: 2 years