A Professional Power Amplifier Series | High-Power 2-Channel Audio Amplifiers for Professional PA Systems
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The A Professional Power Amplifier Series delivers reliable 2-channel amplification from 2×400W to 2×800W, featuring bridge mode, high damping factor, low distortion and stable performance for concerts, line array systems, PA speakers and fixed installations.
The A Professional Power Amplifier Series is designed for professional sound reinforcement applications requiring high output power, stable operation and excellent speaker control. Featuring three models from A204 to A208, the series provides output power ranging from 2×400W to 2×800W at 8Ω, making it suitable for a wide range of live events and commercial audio installations.
Built with high-current output stages and efficient cooling, the A Series delivers clean and dynamic audio while maintaining low distortion even at high output levels. The amplifiers support both stereo operation and bridge mono mode, allowing flexible system configuration for full-range speakers, monitor speakers and passive subwoofers.
With high damping factor, excellent signal-to-noise ratio and professional XLR/SpeakON connectivity, the A Series is an ideal choice for rental companies, performance venues, houses of worship, conference centers and touring productions.
For complete system integration, the A Series works perfectly with Stage Sound System and professional passive loudspeaker systems.
Why Choose the A Professional Power Amplifier Series?
Three professional models from 2×400W to 2×800W @8Ω
Stereo and Bridge Mono operation
High damping factor (≥280) for accurate speaker control
Ultra-low THD and IMD
Wide frequency response (20Hz–20kHz)
High signal-to-noise ratio (≥102dB)
Professional XLR and SpeakON connectors
Robust 2U rack-mount design
Suitable for touring, rental and fixed installations
Technical Specifications
A204
Specification
A204
8Ω Stereo Power (RMS)
2 × 400W
4Ω Stereo Power (RMS)
2 × 600W
Bridge Mono (RMS)
1100W
THD (10% Full Power)
<0.05%
IMD (60Hz/7kHz)
<0.04%
Signal-to-Noise Ratio
≥102dB
Conversion Speed
≥60V/μs
Damping Factor
≥280
Frequency Response
20Hz–20kHz
Input Sensitivity
0.775V / 1V / 32dB
Input Impedance
10KΩ / 20KΩ
Dimensions (W×D×H)
483 × 445 × 88 mm
Net / Gross Weight
19.6 / 23.5 kg
A206
Specification
A206
8Ω Stereo Power (RMS)
2 × 600W
4Ω Stereo Power (RMS)
2 × 900W
Bridge Mono (RMS)
1600W
THD (10% Full Power)
<0.05%
IMD (60Hz/7kHz)
<0.04%
Signal-to-Noise Ratio
≥102dB
Conversion Speed
≥60V/μs
Damping Factor
≥280
Frequency Response
20Hz–20kHz
Input Sensitivity
0.775V / 1V / 32dB
Input Impedance
10KΩ / 20KΩ
Dimensions (W×D×H)
483 × 445 × 88 mm
Net / Gross Weight
21.4 / 25 kg
A208
Specification
A208
8Ω Stereo Power (RMS)
2 × 800W
4Ω Stereo Power (RMS)
2 × 1200W
Bridge Mono (RMS)
2000W
THD (10% Full Power)
<0.05%
IMD (60Hz/7kHz)
<0.042%
Signal-to-Noise Ratio
≥102dB
Conversion Speed
≥60V/μs
Damping Factor
≥280
Frequency Response
20Hz–20kHz
Input Sensitivity
0.775V / 1V / 32dB
Input Impedance
10KΩ / 20KΩ
Dimensions (W×D×H)
483 × 445 × 88 mm
Net / Gross Weight
22.5 / 24 kg
Typical Applications
The A Professional Power Amplifier Series is suitable for:
Concert Sound Systems
Professional PA Systems
Passive Line Array Systems
Stage Monitor Systems
Passive Subwoofers
Houses of Worship
Conference Centers
Auditoriums
Theaters
Rental Companies
Touring Productions
Outdoor Events
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