Details

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Product Introduction

The AUDAC CAP448 is a professional 4-channel 100V power amplifier delivering 4 × 480W, designed for reliable multi-zone audio distribution in commercial and professional installations. Combining efficient Class-D amplifier technology with a switching-mode power supply, the CAP448 provides a total of 1920W continuous output poweracross four independent channels.

Ideal for education, corporate, restaurants, retail stores and commercial audio systems, the CAP448 offers straightforward installation, dependable operation and the essential controls required for professional 100V distributed loudspeaker systems.

Product Description

The AUDAC CAP448 Quad-Channel Power Amplifier is part of the CAP Series of professional 100V multi-channel amplifiers, engineered for installations requiring powerful and dependable audio distribution across multiple zones.

With 4 × 480W continuous output power, the CAP448 allows four independent 100V speaker zones to be powered from a single compact 2U 19-inch rack-mount amplifier. This makes it an excellent choice for larger background music, paging and distributed audio installations where multiple areas need to be managed efficiently.

The amplifier uses high-efficiency Class-D technology combined with a switching-mode power supply, reducing unnecessary power loss while providing stable performance. A temperature-controlled cooling fan maintains the amplifier within its correct operating range while helping minimise excessive fan noise.

For professional system protection, the CAP448 incorporates a comprehensive protection circuit against DC faults, short circuits, overheating and overload, together with signal limiting when required.

Each channel features a balanced XLR input with male XLR link-through, allowing the incoming audio signal to be easily distributed to additional amplifiers. Individual channel gain adjustment provides greater flexibility during system commissioning.

A selectable 400Hz high-pass filter on each channel is particularly useful for systems using horn loudspeakers or applications where unnecessary low-frequency content should be removed.

The 100V speaker outputs use reliable 4-pin Euro terminal block connectors, while the robust steel chassis is designed for standard 19-inch, 2U rack installation.

Key Features & Benefits

• 4 × 480W continuous output (AES) – provides up to 1920W total amplification across four channels.
• Professional 100V output – designed for distributed commercial and installed audio systems.
• Four independent amplifier channels – ideal for multi-zone audio installations.
• High-efficiency Class-D technology – delivers powerful performance with efficient operation.
• Switching-mode power supply – contributes to efficient and reliable system performance.
• Balanced XLR inputs – professional connectivity with 10kΩ balanced input impedance.
• XLR link-through outputs – easily distribute the same source signal to additional amplifiers.
• Individual gain adjustment – allows accurate level configuration for every channel.
• Selectable 400Hz high-pass filter – useful for speech, paging and horn speaker applications.
• Comprehensive protection circuitry – protection against DC faults, short circuits, overheating and overload.
• Built-in signal limiting – helps protect the amplifier and connected loudspeakers.
• Temperature-controlled cooling fan – provides effective cooling while avoiding unnecessary fan noise.
• Terminal block speaker connections – secure connections for permanent professional installations.
• Wide frequency response – 50Hz to 22kHz ±3dB.
• High signal-to-noise ratio – greater than 100dB for clean audio reproduction.
• Compact 2U rack design – fits standard 19-inch professional AV racks.
• Solid steel construction – designed for demanding fixed installations.

Technical Highlights

Recommended Applications & Solutions

The AUDAC CAP448 4 × 480W 100V amplifier is particularly suitable for professional installations requiring multiple high-powered 100V speaker zones.

Education & Campus Audio
Ideal for schools, universities, lecture halls, training centres and campus-wide audio distribution. Four independent channels can power different classrooms, corridors, common areas or other zones.

Corporate & Commercial Buildings
Suitable for offices, meeting facilities, corporate buildings and commercial properties requiring professional background music, announcements and multi-zone audio distribution.

Restaurants, Cafés & Bars
Use separate amplifier channels for dining areas, private rooms, entrances, terraces or other zones, allowing a well-planned distributed audio system from one amplifier.

Retail & Shopping Environments
An effective solution for retail stores, supermarkets, showrooms and shopping environments requiring reliable 100V background music and paging systems.

Hotels & Hospitality
Suitable for distributed audio across hotel lobbies, corridors, restaurants, function spaces and common areas where multiple 100V speaker circuits are required.

Paging & Public Address Systems
The selectable 400Hz high-pass filter makes the CAP448 suitable for speech-focused systems and installations incorporating compatible 100V horn loudspeakers.

Multi-Zone Background Music Systems
With four 480W amplifier channels in a single 2U chassis, the CAP448 is a strong choice for medium-to-large BGM and multi-zone commercial audio systems.

Why Choose the AUDAC CAP448?

The AUDAC CAP448 combines four powerful 480W 100V amplifier channels, Class-D efficiency, professional XLR connectivity, comprehensive protection and simple installation in one robust 2U rack-mounted unit.

For system integrators and commercial AV installations, it provides a practical way to power four high-capacity 100V audio zones from one amplifier, making it suitable for projects ranging from schools and corporate buildings to restaurants, retail outlets and hospitality venues.