SC-120 Amplifier

Highlight Features

SC-120 – 120W Class AB Mixer Amplifier for 70V / 100V PA Systems

The SC-120 is a compact yet powerful Class AB mixer amplifier, designed for small to medium public address and background music systems.
Delivering a rated output power of 120W at 1% THD, it provides stable and clear sound performance or daily operation in offices, schools, retail stores, and commercial installations. With support for both 70V / 100V constant-voltage systems and low-impedance speakers, SC-120 is a flexible solution for distributed audio applications.

Key Features:

• Class AB mixer amplifier optimized for PA and background music use.

• Rated Power: 120W (1% THD), suitable for wider coverage areas.

• Multiple input options: 2 × MIC IN, 3 × AUX IN, USB IN, and SD IN.

• Flexible speaker outputs: COM / 4–16Ω, 70V / 100V.

• 2-band tone control: Bass and Treble adjustment for easy sound tuning.

• Integrated media functions: Bluetooth, FM Radio, and LCD display.

• Full protection circuitry: Ensures safe and reliable operation.

• CHIME button for quick announcement or attention signals.

Technical Specifications:

• Model: SC-120

• Series: SC Amply

• Rated Power: 120W (1% THD)

• Chassis: Steel case; aluminum front panel; aluminum handle; plastic knobs

• I/O Connections: 2 × MIC IN; 3 × AUX IN; USB IN; SD IN; 1 × AUX OUT

• Speaker Outputs: COM / 4–16Ω, 70V / 100V

• Tone Control: 2-band EQ: Bass, Treble

• Channels: 1 channel

• MP3 & Media Features: Bluetooth, FM Radio, LCD Display, Remote Controller (optional)

• Amplifier Section: Class AB Amplifier

• Audio Performance: Frequency Response: 20Hz – 20kHz; 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 protection

• Additional Features: CHIME Button

• Color: Black / Silver

• Dimensions (W × H × D): 58.5 × 46.5 × 36 cm
• Net Weight: 6.20 kg