AUDIOPHONY PA AMP4150 4x 150W Amplifier

Description

The AUDIOPHONY PA AMP4150 is a professional 4-channel Class D high-impedance amplifier designed for fixed installation audio systems operating on 70 V and 100 V speaker lines. Delivering 4 x 150 W output power, the AMP4150 is ideal for commercial audio distribution, public address systems, background music installations, and multi-zone speaker applications requiring reliable multi-channel amplification.

Built using efficient Class D amplification technology, the AMP4150 provides high performance with reduced power consumption and lower heat generation. Continuous thermo-regulated cooling ensures stable operation during long-term use, while integrated automatic standby functionality reduces energy usage when no audio signal is present for extended periods.

Designed specifically for professional installations, the amplifier features Euroblock input and output connectors for secure and simplified wiring. Comprehensive protection systems safeguard against short circuits, overheating, clipping, radio frequency interference, and ultrasonic faults, ensuring dependable operation in demanding commercial environments.

Features

4-channel Class D line amplifier
4 x 150 W output power
Designed for 70 V and 100 V line systems
Suitable for fixed installation audio systems
Energy-efficient Class D amplifier design
Thermo-regulated cooling system
Automatic standby mode after 15 minutes without signal
Euroblock input and output connectors
Rear-panel volume controls
Rear-panel high-pass filter controls
Rear-panel standby ON/OFF control
Comprehensive protection circuitry
Front-panel signal and protection indicators
2U 19-inch rackmount format
Suitable for commercial audio and PA installations

Specifications

Amplifier type: Class D
Channels: 4
Output power: 4 x 150 W
Compatible line voltage: 70 V / 100 V
Output impedance at 100 V: 66 Ω
Input sensitivity: 0 dBV
Input impedance: 20 kΩ balanced
Frequency response: 20 Hz – 20 kHz
THD+N: < 0.1%
Signal-to-noise ratio: > 100 dB
Damping factor: > 500 @ 1 kHz
Power supply: PFC switching power supply
Operating voltage: AC 90–264 V, 50/60 Hz
Protections:
Short-circuit
Open-circuit
Thermal
Limiter
Ultrasonic
Radio frequency
Connections:
Euroblock balanced input
Euroblock speaker outputs
Controls:
Front-panel power switch
Rear-panel volume controls
Rear-panel high-pass filter controls
Rear-panel standby ON/OFF control
Indicators:
Signal
-20 dB
Clip
Protect
Cooling: Thermo-regulated ventilation
Rack size: 2U
Rack format: 19-inch
IP rating: Indoor use
Colour: Black
Display: No
Dimensions (W x H x D): 48.3 x 8.8 x 42 cm
Weight: 7.9 kg