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D43K2
Ascsonic Audio
90-260V
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The D43K2 is a high-performance 2 channel Class D power amplifier developed for professional sound reinforcement applications that demand exceptional output power and dependable operation. With up to 4300W per channel at 8Ω, 7900W at 4Ω, and 8600W at 2Ω, it delivers the power required for large-scale PA systems, subwoofer arrays, and touring audio setups.
Utilizing advanced Class D technology, the amplifier achieves excellent efficiency, low distortion, and reduced heat generation, ensuring stable performance during extended operation. Whether used in live events, rental inventories, or fixed installations, the D43K2 provides the power and reliability needed for demanding professional audio environments.
Designed for professional audio applications, the D43K2 delivers impressive output ratings of 2×4300W at 8Ω, 2×7900W at 4Ω, and 2×8600W at 2Ω. Its substantial power reserves enable it to drive large loudspeaker systems and subwoofer cabinets with ease, providing powerful low-frequency response and outstanding dynamic range.
The amplifier is engineered to maintain stable operation even under continuous 2-ohm loads. This makes it an excellent choice for complex speaker configurations where multiple cabinets are connected in parallel, ensuring dependable performance in demanding live sound applications.
Featuring a modern Class D amplifier design, the D43K2 delivers high efficiency while minimizing energy loss and heat buildup. This results in improved reliability, lower operating costs, and reduced cooling requirements for both mobile and installed audio systems.
Equipped with an active PFC (Power Factor Correction) power supply, the amplifier supports a broad operating voltage range from 90V to 265V AC. This allows consistent output performance even in locations with unstable or fluctuating mains power, making it ideal for international touring and professional installations worldwide.
To ensure maximum operational safety, the D43K2 incorporates comprehensive protection mechanisms including over-temperature protection, over-current protection, short-circuit protection, DC protection, and soft-start functionality. Front-panel status indicators provide real-time monitoring for quick troubleshooting and system management.
The D43K2 is perfectly suited for powering high-output subwoofer enclosures, delivering the low-frequency energy required for concerts, festivals, clubs, and large entertainment venues.
Its powerful output and stable low-impedance performance make it ideal for professional PA systems used in live productions, outdoor events, and stadium applications.
Built for the demands of the road, the amplifier offers reliable performance, efficient power consumption, and excellent durability for rental companies and touring sound providers.
The D43K2 is also an excellent choice for permanent installations in theatres, houses of worship, auditoriums, convention centers, and other venues requiring high-power professional amplification.
ITEM | DA43K2 |
8Ω Stereo Power(RMS) | 4300W×2 |
4Ω Stereo Power(RMS) | 7900W×2 |
2Ω Stereo Power(RMS) | 8600W×2 |
8Ω Bridged Power(RMS) | 15700W |
4Ω Bridged Power(RMS) | 17100W |
Frequency response | 20 Hz-20 kHz(1W@8Ω,±0.5 dB) |
Total Harmonic Distortion (THD) | <0.5% from 1W to full power (Typical value<0.05%) |
Signal-to-Noise Ratio 8Ω, 1kHz,1v Sensitivity | >110 dBA(20 Hz-20 kHz,A weighted) |
Gain.Sensitivity | 32dB,35dB,38dB,41dB |
Cross-talk( 20Hz- 1kHz, below Rated Power ) | >66 dB @1 kHz |
Slew Rate | 50 V/μs @8Ω |
Maximum Output Voltage/Current | 185V/85A(370V in the BRIDGE MODE) |
Standby | 47W and 0.8A |
Environment temperature | 0⁰-45C/32°-113F |
Cooling system | Tunnel through cooling system |
Input Connectors(per channel) | 3-pin XLR, electronically balanced |
Output Connectors (per channel) | Neutrik speakON |
Tour Class Protection | Under voltage, DC, Over temperature, Over load limiter, short protection |
Operating Voltage | 90V-260V |
Input Impedance | 10 kΩ balanced |
Damp Factor | >=5000 |
Dimensions(WXHXD) mm | 490x50x482mm |
Packing dimension (mm) | 610x560x103mm |
Net weight(kg) | 12kg |
Gross weight(kg) | 16kg |
