Audac AUA-CAP448 Quad-Channel Power Amplifier 4 x 480W 100V

The Audac CAP448 is a four-channel Class-D installation power amplifier designed for professional distributed audio systems. It delivers powerful and efficient amplification for 100 V line loudspeaker installations, making it ideal for environments such as retail stores, offices, restaurants, hospitality venues, schools, and public address systems.

With 4 × 480 W continuous output power, the CAP448 provides high-output multi-channel amplification suitable for large distributed speaker systems. The amplifier uses Class-D technology with a switching mode power supply, ensuring excellent efficiency, low heat generation, and reliable operation.

Balanced XLR inputs with link-through connectors allow easy signal distribution between multiple amplifiers in larger installations. The amplifier is housed in a 19-inch rackmount steel chassis (2U) with a temperature-controlled cooling fan, ensuring stable operation in professional equipment racks.

Key Features

• Four-channel Class-D installation power amplifier
• 4 × 480 W continuous output power
• Designed for 100 V distributed audio systems
• Balanced XLR inputs with link-through connectors
• High signal-to-noise performance for clean audio
• Integrated protection circuits for reliable operation
• Temperature-controlled cooling fan

System Specifications

Amplifier type: Class-D power amplifier
Channels: 4

Power Output

Continuous power (AES): 4 × 480 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