AUDAC EPA104 Four-Channel Class-D Amplifier 4x100W RMS 1U

The AUDAC EPA104 is a professional four-channel Class-D amplifier designed for fixed installations requiring high-quality audio distribution. With 4x100W RMS output at 4 Ohms and a compact 1U rack-mountable chassis, it delivers reliable performance for commercial sound systems, conference rooms, and public address applications.

Advantages

Energy-efficient Class-D technology ensures low power consumption and minimal heat generation, eliminating the need for cooling fans. The convection-cooled design guarantees silent operation, making it ideal for noise-sensitive environments. Comprehensive protection circuits (overload, short circuit, overheating, DC) safeguard the amplifier and connected speakers.

Suitable for

• Commercial background music systems
• Conference and meeting rooms
• Retail stores and restaurants
• Educational facilities
• Public address installations

Key specifications

• 4 x 100W RMS @ 4 Ohms / 4 x 60W RMS @ 8 Ohms
• Class-D amplifier topology
• Balanced XLR inputs and Euroblock outputs
• Frequency response: 20 Hz - 20 kHz (+/-3 dB)
• Signal-to-Noise Ratio: >90 dB
• Total Harmonic Distortion: <0.05%
• Convection cooling (fanless)
• 1U rack-mountable
• Energy Star certified

Recommendations

For optimal performance, pair the EPA104 with 4-8 Ohm speakers and use balanced XLR connections to minimize noise. The amplifier can be powered from 100-240V AC, making it suitable for global installations.