Professional Power Amplifier 2 Channel Rackmount DJ Stereo 4500W Amp

The MUSYSIC SYS-4500 is a high-performance 2-channel power amplifier engineered for professional audio applications including live sound, DJ systems, event production, and permanent installations. Delivering up to 4500W peak output, the SYS-4500 provides clean, powerful amplification with low distortion and wide frequency response.

Built with ATR (Accelerated Transient Response) technology, this amplifier delivers exceptional punch and clarity. It features balanced XLR and 1/4" TRS inputs, Speakon and banana binding post outputs, and a rugged 2U rackmount chassis with front-to-rear airflow and an automatic variable-speed cooling fan.

• 4500W peak professional power amplifier
• Peak Output: 2200W @ 2Ω, 1100W @ 4Ω, 550W @ 8Ω (per channel)
• ATR technology for enhanced transient response
• Balanced XLR and 1/4" TRS inputs
• Speakon and banana binding post speaker outputs
• Front-to-rear airflow with auto-speed cooling fan
• Frequency response: 10 Hz – 50 kHz (±1.5 dB)
• Signal-to-noise ratio: >90 dB
• Total harmonic distortion: <0.1%
• Input sensitivity: 0.77 V
• Voltage selector switch (115V–230V)
• Durable 2U rackmount chassis

• Model: SYS-4500
• Channels: 2
• Peak Power: 4500W
• Peak Output @ 2Ω: 2200W per channel
• Peak Output @ 4Ω: 1100W per channel
• Peak Output @ 8Ω: 550W per channel
• Input Sensitivity: 0.77 V
• Frequency Response: 10 Hz – 50 kHz (±1.5 dB)
• Signal-to-Noise Ratio: >90 dB
• THD: <0.1%
• Inputs: XLR, 1/4" TRS
• Outputs: Speakon NL4, Banana Binding Posts
• Cooling: Auto-speed fan, front-to-rear airflow
• Dimensions: 20.1 × 13.4 × 6.3 in
• Weight: 14 lb

Includes a 1-Year Limited Manufacturer Warranty. Built for reliability, clarity, and power in demanding audio environments.