QSC KC12

System Overview – QSC KC12

Built-in Class-D amplifier with a maximum output of 3000W Peak

• HF/Mid drivers: 1000W Peak
• Subwoofer: 2000W Peak

Drivers:

• 1 × 1-inch HF driver with QSC LEAF™ waveguide technology
• 2 × 4-inch midrange drivers
• 1 × 12-inch subwoofer, delivering bass response down to 45 Hz with punchy impact

QSC LEAF™ Waveguide:

• Provides precise control of high-frequency dispersion, ensuring consistent, high-quality sound coverage—even in large venues with distant audiences.

Built-in Digital Mixer

Inputs:

• 2 × Mic/Line combo XLR inputs (Channels A & B)
• 1 × Stereo Aux input (Channel C)
• Independent gain control for each channel

Additional features:

• Hi-Z support on Channel A
• +48V phantom power on Channel B
• 1 × Mix Out (XLR)
• 1 × Loop-thru output (XLR) for extending to additional speakers
• USB-C port for mobile device charging

Wireless Stereo System

The KC12 includes Bluetooth with True Wireless Stereo (TWS), allowing you to pair two KC12 speakers wirelessly for stereo playback (Bluetooth audio only, not microphone input).

Key Features

• Active 3-way column loudspeaker
• Built-in Class-D amplifier with 3000W Peak power
• 12-inch subwoofer for deep bass
• 2 × 4-inch midrange drivers
• 1 × 1-inch HF driver with LEAF™ waveguide
• Frequency response: 45 Hz – 18.5 kHz
• Maximum SPL: 132 dB
• Coverage: 145° H × 35° V
• Built-in Bluetooth with TWS for stereo pairing