ADMARK AD-442 4 x 7200 Watts 4-Ohms Per Channel Pro High Power Audio Class-D Power Amplifier With Dual Digital Signal LEDs 1 U Rack Mount || Features || Versatile Operation Modes : Capable of operating in stereo, parallel, and bridge modes || Comprehensive Protection : Includes built-in protection against short circuits, overloads, and overheating || Rack-Mountable Design : Compact and rack-mountable, making it easy to integrate into any setup || Wide Voltage Range : Operates under a power supply voltage range of 60V to 400V || Low-Frequency Exciter : Enhances audio performance with a built-in low-frequency exciter || || Powerful Output : Provides up to 4,200W at 8 Ohm, 7,200W at 4 Ohm, and 7,400W at 2 Ohm per channel. || Admark AD442, the biggest 4ch ever | Use new material Gallium nitride for power supply | Heat only 60% of AD42 | Less heat, more stable | Gallium nitride material makes much higher power density, also requires much less on capacitor, which makes it possible to use 400V capacitors (60pcs for AD442) ,so that bigger power output | || K series amplifier is Class-D power amplifier | Sexy and novel appearance | Intelligent soft boot, sophisticated short-circuit, over-load, over-heat protection | Compact steel frame, shockproof, compressive resistance | With built-in low frequency exciter | Be able to work in stereo, parallels and bridge mode | Can work under voltage 60V to 400V || || The Admark AD-442 is a high-power, professional-grade 4-channel Class-D amplifier designed for both live performances and studio settings. It incorporates advanced Gallium Nitride technology, which significantly reduces heat production and improves efficiency. The AD-442 is known for its durability, stability, and ability to deliver high-quality sound in various environments || || This compact, rack-mountable size makes it suitable for various audio setup environments. This makes it relatively lightweight for a high-power professional amplifier, enhancing its portability and ease of installation in different audio setups. || Item Dimensions : Width : 482 mm | Height : 44 mm | Depth : 470 mm || Item weight : 10.5 kg (23.1 lbs) ||