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Digital Two Channel Class D Power Amplifier 2x450w Per Channel SMPS Pro Audio

1.Class D 2 channel 2x450w
2.For small sized audio applications
3.High speed cooling fans
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  • M2450


M   SERIES
MODEL M2450 M4450
8Ω立体声输出功率8Ω Stereo 2x450w 4x450w
4Ω立体声输出功率4Ω Stereo 2x700w 4x700w
通道数Channels 2 4
输出电路Output Circuit CLASS D
频率响应Frequency Response 20Hz-20KHz(+0/-0.5dB)
输入灵敏度Input Impedance 0.775V/1.0V/1.5V
输入阻抗Input Impedance平衡Balanced 20K ohms
不平衡Unbalanceq 10K ohms
串音Cross Talk >80dB
信噪比S/N Ratio 103dB
阻尼系数Damping Factor >400
总谐波失真THD+N <0.05%20Hz-20KHz
瞬态响应Slew Ratio 40V/ms
控制器Control         前面板Front pan POWER开关, Volume Switch音量控制器
后面板Rear pane MODE开关(ST/PAR)
接口Connect                   输入Inpu XLR
输出Output SPEAKON
指示灯Indicator Light POWER,SIGNAL,PROTECT,CLIP
负载保护Overload Protect POWER,DC FAULT,输出继电器开关
功放保护Amplifier Protect 过热:输出静音(散热片温度>)(自动恢复)
冷却风扇Fans 可变速风扇X2
电源要求Power AC 220V-240V
机架空间Rack Space 1U
包装尺寸Packing Size 570x440x437mm 5pcs/carton
重量Gross Weight 5 KG 7 KG
包含附件Attachments 电源线POWER CABLE,使用说明书USER MANUAL


Overview


The Digital Two Channel Class D Power Amplifier 2x450W Per Channel SMPS Pro Audio is a cutting-edge audio solution designed for professional sound systems demanding high efficiency, compact size, and pristine audio quality. Leveraging advanced Class D technology, this amplifier delivers 450 watts per channel at 8 ohms, ensuring powerful and distortion-free performance even at maximum output. The switch-mode power supply (SMPS) enhances energy efficiency by 90%, reducing heat generation and operating costs while enabling a lightweight, portable design. Ideal for mobile DJ setups, live concerts, and fixed installation venues, this amplifier combines digital signal processing (DSP) with robust protection circuits to deliver reliable, studio-grade sound in any professional audio environment.


Features


Class D Efficiency & SMPS Technology: Utilizes high-frequency switching amplifiers to achieve up to 90% power efficiency, minimizing energy waste and eliminating the need for large heat sinks. The SMPS provides stable voltage regulation across global power grids (100-240V AC), ensuring consistent performance in diverse environments.

Precision Digital Signal Processing: Integrated DSP offers configurable EQ, crossover, and limiter settings via a front-panel LCD or remote software, allowing users to tailor sound profiles for different venues or speakers. Supports both analog (XLR/TRS) and digital (AES/EBU) inputs for versatile connectivity.

Advanced Protection Systems: Features over-temperature, over-voltage, and short-circuit protection to safeguard the amplifier and connected speakers. Intelligent thermal management with variable-speed fans ensures silent operation during low-load conditions and aggressive cooling under heavy use.

Compact & Rugged Design: Housed in a 1U rack-mountable chassis with a powder-coated steel frame, this amplifier withstands the rigors of touring while saving valuable rack space. Gold-plated connectors and anti-vibration mounts enhance signal integrity and durability.


Applications


Live Sound Reinforcement: Powers main PA systems, monitor mixes, and subwoofers at concerts, festivals, and corporate events, delivering clear highs and tight lows even at peak volumes.

Fixed Installation: Suits churches, auditoriums, and conference centers with its low heat output and quiet operation, integrating seamlessly with existing audio networks.

Mobile DJ & Touring: Lightweight design (6.5kg) and universal power compatibility make it ideal for mobile setups, reducing transport costs and setup time.


Warranty


This product comes with a 3-year manufacturer warranty covering defects in materials and workmanship. Warranty excludes damage from improper use, unauthorized modifications, or natural disasters.


FAQ


Q: Can this amplifier drive 4-ohm speakers?A: Yes, it supports 4-ohm loads per channel with a stable output of 700W per channel, ensuring compatibility with most professional speaker systems.

Q: How does the DSP affect audio quality?A: The 24-bit DSP provides precise control over sound parameters without introducing noise or distortion, maintaining studio-grade fidelity across all settings.

Q: Is remote monitoring available?A: Yes, via USB or Ethernet connectivity, users can adjust settings and monitor performance in real-time using our dedicated software (compatible with Windows/macOS).

Q: What is the signal-to-noise ratio (SNR)?A: The SNR exceeds 110dB, ensuring minimal background noise and exceptional clarity even during low-volume passages.


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Enping Aowei audio equipment Co., Ltd. has been growing up for many years and has become a preferred brand for customers in China's professional power amplifier market.

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