Harmonai FBX2.2 Automatic Feedback Suppressor product image

Product Overview

The Harmonai FBX2.2 automatic feedback suppressor features next-generation DSP digital processing technology, engineered specifically to eliminate microphone feedback squeal. It automatically enters feedback suppression mode at power-on—no complex setup required—making it ideal for meeting rooms, multi-function entertainment venues, small-to-medium live events, KTV rooms, and home theaters.

This unit features a 2-in/2-out channel design. Its input stage includes a versatile socket supporting both CANNON XLR and 6.35mm (1/4") connectors, ensuring flexible compatibility with diverse audio equipment. Dual DSP processors provide 68 filter points for fully automatic feedback frequency scanning and precise notch filtering—preserving high-fidelity audio reproduction.

Processor Chip

U.S.-made DSP chip, digital processing system

Filter Points

68 filter points total across dual DSP processors, fully automatic scanning

Channel Design

2-in/2-out (2 input channels / 2 output channels)

Input Connectors

CANNON XLR + 6.35mm (1/4") multifunction socket

Output Connectors

CANNON XLR + 6.35mm (1/4") multifunction socket

Feedback Suppression Mode

Automatic startup at power-on, dynamic real-time filtering

Equalization Recovery

Balanced EQ restored within 2 seconds after each notch filter activation

Peak Limiting Protection

Automatic peak limiting at critical signal levels to prevent overload distortion or equipment damage

One-Touch Gain Boost

Rear-panel button activates +12dB gain boost

Power Supply

AC 220V

Acoustic Gain

-1dB / 11dB

Line Input Impedance

15kΩ

Line Output Impedance

300Ω

Frequency Response

80Hz – 15kHz

Signal-to-Noise Ratio

82dB

Typical Applications

The Harmonai FBX2.2 Automatic Feedback Suppressor is widely used in meeting rooms, multi-function entertainment venues, small-to-medium live events, KTV rooms, and home theaters. Whether for professional sound reinforcement or everyday entertainment, it effectively eliminates microphone howl and delivers clear, pristine audio quality.

For more product details or expert sound reinforcement recommendations, contact our sales team.