
The Fonestar SA2-3400 is the highest-power professional stereo power amplifier in the SA2 series, built to deliver immense power and uncompromising sound quality with maximum stability and performance. It is the definitive choice for the largest and most demanding professional sound applications, including major concerts, large discos, and vast auditoriums.
Key Features & Operating Modes:
Maximum Bridge Mode Output: An extraordinary 3,400 W RMS @ 4 Ω (Mono).
Maximum Stereo Output: 1,700 W + 1,700 W RMS @ 2 Ω (Parallel Mode).
Also offers 1,275 + 1,275 W RMS @ 4 Ω and 850 + 850 W RMS @ 8 Ω.
Advanced Protection: Features comprehensive protection circuits, including Soft Start, temperature, short circuit, overload, clip limiter, direct voltage, ultrasound, and RF.1
Cooling: High-performance cooling is ensured by 2 variable speed fans.2
Audio Quality: Exceptional fidelity across the full audio spectrum (20-20,000 Hz) with low harmonic distortion (< 0.08%) and a high damping factor (400).3
Controls & Inputs: Includes dedicated controls for volume per channel, mode selection (Stereo/Parallel/Bridge), sensitivity, GND 4lift, and a 30 Hz high pass filter. It accepts audio via 2 balanced XLR auxiliary line inputs.
Design: Heavy-duty, professional unit designed for installation in a 2 U 19" rack.
| Feature | Specification |
| Max Power (Bridge/4Ω) | 3,400 W RMS |
| Max Power (Stereo/2Ω) | 1,700 + 1,700 W RMS |
| Frequency Response | 20 - 20,000 Hz |
| Distortion (Harmonic) | < 0.08% |
| Damping Factor | 400 |
| S/N Ratio | > 95 dB |
| Cooling | 2 Variable Speed Fans |
| Dimensions | 2 U 19" rack (483 x 89 x 488 mm depth) |
| Weight | 21.8 kg |