1. Four Independent Amplifier Channels

The A Series combines four independent power amplifier channels in a single compact chassis, allowing installers to power multiple passive loudspeakers or audio zones without using several separate two-channel amplifiers.

2. Multiple Power Options

The series includes three models:

• A404: 4 × 400W @ 8Ω

• A406: 4 × 600W @ 8Ω

• A408: 4 × 800W @ 8Ω

The different power levels allow system designers to select an amplifier according to the loudspeaker requirements and overall project scale.

3. High Damping Factor

With a damping factor of ≥280, the amplifier provides precise control over connected loudspeakers, helping maintain accurate low-frequency response and stable overall sound reproduction.

4. Low Distortion Audio Performance

The A Series is engineered for low harmonic and intermodulation distortion, supporting clean and detailed audio reproduction for music, speech and background audio applications.

5. Wide Frequency Response

A frequency response of 20Hz–20kHz supports a broad audio spectrum for professional commercial sound reinforcement applications.

6. Professional Connectivity

Professional XLR input connectors and SpeakON speaker outputs provide reliable connections for fixed-installation and professional PA systems.

7. Efficient Rack Integration

Four amplifier channels in one chassis help reduce equipment quantity and rack-space requirements compared with installing multiple two-channel amplifiers.

8. Reliable Continuous Operation

Efficient cooling and comprehensive protection circuitry are designed for stable operation in demanding commercial audio environments.

9. Multi-Zone Audio System Ready

Independent amplifier channels make the A Series particularly useful for distributed audio applications where different speaker groups require separate amplification.

A404

The A404 provides four channels of 400W RMS output at 8Ω and 520W per channel at 4Ω, making it the entry-level model of the series for professional distributed audio installations.

A406

The A406 increases the available output to 4 × 600W at 8Ω and 4 × 820W at 4Ω, providing additional power headroom for larger commercial audio systems.

A408

The A 4-Channel Professional Power Amplifier Series is suitable for a wide range of professional hospitality and commercial audio projects.

Hotels & Hospitality

Use the independent amplifier channels to distribute audio to different hotel areas, such as restaurants, meeting rooms, lounges and public spaces.

Conference Centers

The four-channel architecture is suitable for powering multiple speaker zones in conference and meeting facilities.

Auditoriums & Theaters

The amplifier provides stable power for professional passive loudspeaker systems used for speech reinforcement, presentations and performances.

Houses of Worship

Multiple independent channels can simplify amplification for distributed speaker systems and different audio coverage areas.

Schools & Educational Facilities

The compact multi-channel design helps provide centralized amplification for classrooms, halls and common areas.

Commercial Distributed Audio

The A Series can be integrated into multi-zone background music, paging and professional PA systems where several speaker groups need independent amplification.

For complete system integration, the amplifier can be combined with professional Pro Audio Elements, passive loudspeakers and other Power Amplifiers.

Professional System Integration

The A Series is designed as part of a complete professional audio system rather than as a standalone component.

A typical installation may include:

• Audio source or digital mixer

• DSP processor

• A 4-Channel Power Amplifier

• Passive full-range speakers

• Passive subwoofers

• Speaker cables and connectors

• Zone control equipment

For larger sound reinforcement projects, the amplifier can also be integrated with professional Line Array Speakers and subwoofer systems.

Why Choose a 4-Channel Professional Power Amplifier?

For hospitality and fixed-installation projects, using four independent amplifier channels in one chassis can simplify system architecture.

Instead of installing multiple two-channel amplifiers, one A Series amplifier can provide four independent output channels. This helps reduce rack-space requirements and simplifies cable management while maintaining dedicated amplification for different speaker groups.

The combination of high damping factor, low distortion, wide frequency response and professional input/output connections makes the series suitable for long-term commercial audio installations.

Q1: What models are available in the A 4-Channel Professional Power Amplifier Series?

The series includes A404, A406 and A408. Their 8Ω RMS output ratings are 4 × 400W, 4 × 600W and 4 × 800W respectively.

Q2: What is the main advantage of a 4-channel amplifier?

A four-channel amplifier allows multiple loudspeaker groups or audio zones to be powered from one chassis. This can reduce rack space, simplify wiring and make system integration more efficient.

Q3: Is the A Series suitable for hotel audio systems?

Yes. The series is designed for professional installations and is suitable for hotels, conference centers, auditoriums, schools, churches and other distributed commercial audio systems.

Q4: What connectors are used?

The amplifier series uses professional XLR inputs and SpeakON outputs, providing reliable connections for professional audio installations.

Q5: What is the frequency response?

The A Series has a frequency response of 20Hz–20kHz, supporting a wide range of professional music and speech reinforcement applications.

Q6: Can the amplifier power passive loudspeakers?

Yes. The A Series is designed to work with professional passive loudspeaker systems. The appropriate amplifier model should be selected according to the loudspeaker impedance and required power.

Q7: Which model should I choose: A404, A406 or A408?

Choose according to the required speaker power and system scale:

• A404: 4 × 400W @ 8Ω for smaller commercial installations

• A406: 4 × 600W @ 8Ω for medium-power systems

• A408: 4 × 800W @ 8Ω for higher-power professional installations

Q8: Can the amplifier be used for multi-zone audio?

Yes. Its four independent channels make the A Series particularly suitable for distributed and multi-zone audio systems.