Audac AUA-CAP412 Quad-Channel Power Amplifier 4 x 120W 100V

The Audac CAP412 is a four-channel Class-D installation power amplifier designed for professional distributed audio systems. It delivers efficient and reliable amplification for 100 V line loudspeaker installations, making it suitable for environments such as retail stores, offices, restaurants, hospitality venues, schools, and public address systems.

With 4 × 120 W continuous output power, the CAP412 provides flexible multi-zone amplification while maintaining high efficiency through its Class-D amplifier technology and switching mode power supply. Balanced XLR inputs with link-through connectors allow easy signal distribution between amplifiers in larger systems.

Built for professional installations, the amplifier features a 19-inch rack-mount steel chassis (2U) and a temperature-controlled cooling system, ensuring reliable operation in equipment racks and technical rooms.

Key Features

• Four-channel Class-D installation amplifier
• 4 × 120 W continuous output power
• Designed for 100 V distributed audio systems
• Balanced XLR inputs with link-through
• High signal-to-noise performance for clean audio
• Built-in protection circuits for system safety
• Temperature-controlled cooling fan

System Specifications

Amplifier type: Class-D power amplifier
Channels: 4

Power Output

Continuous power (AES): 4 × 120 W

Frequency Performance

Frequency response (±3 dB): 50 Hz – 22 kHz

Audio Performance

Signal-to-noise ratio: > 100 dB
THD+N (1 kHz): < 0.3 % (at half rated power)
Crosstalk (1 kHz): < 80 dB

Inputs

Sensitivity: −0.5 dB to 10.5 dB
Input impedance: 10 kΩ balanced
Connector: XLR female with male link-through

Outputs

Output type: 100 V line
Connector: 4-pin Euro Terminal Block (5.08 mm pitch)

Power Requirements

Power supply type: Switching mode
Input voltage: 230 – 240 V AC / 50 Hz

Protection

DC short circuit protection
Overheating protection
Overload protection
Signal limiting