SZ-120 Amplifier

Highlight Features

SZ-120 – SZ Series Mixer Amplifier

The SZ-120 is a powerful and versatile Class AB mixer amplifier engineered for professional public address and background music systems. Delivering a robust 120W output with clean, low-distortion performance, it is designed to drive multi-zone speaker systems with ease, making it an ideal solution for offices, schools, shopping malls, hotels, and commercial installations that demand reliability and consistent sound quality.

Product Description

• High-performance Class AB mixer amplifier for PA and BGM systems.
• 120W rated output provides strong and stable power for medium to large installations.
• Multiple inputs: 2 × MIC, 3 × AUX, USB, SD, and 1 × AUX output.
• Supports 4–16Ω low-impedance speakers and 70V / 100V constant-voltage speaker lines.
• Built-in Bluetooth, FM radio, and LCD display for convenient media playback.
• 2-band EQ (Bass & Treble) for simple and precise sound tuning.
• Integrated CHIME button for paging and priority announcements.
• Full protection circuit against short circuit, overload, overcurrent, and DC fault.
• Rugged steel chassis with aluminum front panel and handle for professional use.

Product Specification

• Rated Power: 120 W (1% THD)
• Amplifier Section: Class AB Amplifier
• Channels: 1 channel
• Speaker Outputs: COM / 4–16Ω, 70V / 100V
• I/O Connections: 2 × MIC IN, 3 × AUX IN, USB IN, SD IN, 1 × AUX OUT
• Tone Control: 2-band EQ (Bass, Treble)
• MP3 & Media Features: Bluetooth, FM Radio, LCD Display, Remote Controller (optional)
• Audio Performance: Frequency Response 19 Hz – 22 kHz, THD < 1% at 1/3 rated voltage
• Input Sensitivity: +5 mV, 6.3 mm unbalanced connector
• AUX Input: 400 mV, unbalanced RCA connector
• Protection: Short circuit, Overload, Overcurrent, DC fault
• Additional Features: CHIME button
• Color: Black / Silver
• Dimensions (W × H × D): 58.5 × 46.5 × 36 cm
• Net Weight: 6.20 kg