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The AT6400 is a professional 2-channel Class TD power amplifier engineered for live sound, club systems, and touring applications. With exceptional power efficiency and stable performance under low impedance loads, it delivers crystal-clear sound with minimal distortion. Designed with a robust steel chassis, optimized cooling, and a reliable switching power supply, the AT6400 ensures consistent output for high-demand environments. This amplifier is ideal for sound engineers who require both power and precision in a compact, road-ready design.
1. Superior Class TD Technology
The AT6400 adopts advanced Class TD amplification, combining Class D efficiency with Class AB sound quality. It provides fast transient response and dynamic headroom, ensuring clean and punchy bass for professional audio applications.
2. High Output Power with Stability
Capable of delivering 2×1300W at 8Ω, 2×2200W at 4Ω, and 2×3200W at 2Ω, the AT6400 handles subwoofers and full-range speakers effortlessly. Its low total harmonic distortion (≤0.1%) guarantees precise and balanced sound reproduction.
3. Reliable Thermal & Short-Circuit Protection
Designed with multi-stage protection circuits—overload, short circuit, DC, and thermal safeguard—the amplifier maintains continuous operation under demanding conditions, ensuring reliability in long performances or installations.
4. Smart Cooling & Power Efficiency
The amplifier features a pure copper heat sink and high-speed dual fans that automatically adjust cooling intensity according to temperature, reducing power loss and extending component lifespan.
5. Wide Voltage Adaptability
The universal power supply supports both 110V and 220V regions, making it ideal for global touring setups. Its switching power design reduces weight while maintaining consistent output even with unstable mains voltage.
6. Precision Control Interface
Independent gain control per channel, signal/clip/protect indicators, and bridge/stereo operation mode offer professional flexibility for stage technicians and sound contractors.
• Live Concerts & Outdoor Events
Perfect for concert sound reinforcement systems, delivering high SPL output and deep bass for line arrays and subwoofer stacks.
• Theater, Auditorium & Worship Venues
Ensures crystal-clear speech and music reproduction with stable long-term performance—ideal for churches, auditoriums, and schools.
• Nightclubs & Entertainment Halls
Its strong bass performance and low noise make it a great choice for club sound systems, bars, and DJ setups.
• Touring & Rental Companies
Built for mobility and endurance, the AT6400 is a reliable professional touring amplifier trusted by rental and event companies worldwide.
ITEM | AT6400 |
Output Power | |
8ΩStereo Power(RMS) | 1300W ×2 |
4ΩStereo Power(RMS) | 2300W ×2 |
2ΩStereo Power(RMS) | 2900W ×2 |
8ΩBridged Power(RMS) | 4600W |
4ΩBridged Power(RMS) | 5800W |
Frequency Response | 20-34KHz |
THD+N:1KHz | 1KHZ<0.1% |
Signal-to-Noise | >112 dBA |
Input Connectors (per channel) | Female XLR (pin 2+, configurable for pin 3+). |
Output Connectors (per channel) | Bingding Posts 2-pole, Speakon |
Class | TD |
Protection | Short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input |
Voltage Gain(dB) | 23 26 29 32 35 38 41 44Db selectable |
Cooling | 4pcs variable speed DC fans, better than conventional cooling |
Controls | Front panel: 2 attenuators, power switch; Rear panel: gain & mode switches |
Dimensions (W×H×D) | 483×88×347mm |
Packing dimension | 580×180×560mm |
Net weight(kg) | 13 |
Gross weight(kg) | 18 |
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