Soundking AQ4250 Digital Power Amplifier
₵20,892.00
The Soundking AQ4250 is a professional 4-channel digital power amplifier designed for demanding audio setups, including conference rooms, live stages, and commercial sound systems. Part of the Soundking AQ Series, this class-D amplifier stands out for its high efficiency, compact design, and comprehensive internal protection mechanisms.
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Description
Key Specifications
Channels: 4 output channels.
Power Output: Delivers 4 x 250W at 8 Ohms or approximately 4 x 425W to 4 x 450W at 4 Ohms, with a maximum combined peak power reaching up to 1450W.
Operating Modes: Supports Stereo, Mono (Single-Channel), and Bridged configurations.
Frequency Response: 20Hz – 20kHz (+/-0.2dB) at 10% rated power into 8 Ohms.
Signal-to-Noise Ratio (SNR): > 104 dB (A-weighted).
Total Harmonic Distortion (THD+N): 0.02% at 10% nominal power.
Input Impedance: 20kΩ balanced / 10kΩ unbalanced.
Standout Features
Built-in LCD Control Panel: Features an integrated color screen on the front panel for real-time monitoring of amplifier metrics, parameter adjustments, and system control.
Active PFC (Power Factor Correction): Achieves an energy-efficient power factor of 0.99, reducing power consumption while stabilizing performance.
Universal Voltage Support: Runs reliably on a wide power supply range of 90V to 260V AC (50-60Hz).
Robust Circuit Protection: Safeguards against output overload, short circuits, DC offsets, soft-start anomalies, and over-temperature issues.
Smart Cooling System: Equips a variable-speed internal cooling fan that scales with processing heat to lower operating noise during quiet sessions.
Input Versatility: Accommodates standard balanced male XLR inputs alongside compatibility for both analog and AES digital audio sources.
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