OK-555B Fiber Coaxial Conference Power Amplifier

80W + 80W Stereo Output | Bluetooth | Optical & Coaxial Input

The OK-555B is a powerful and versatile stereo conference amplifier delivering 80W + 80W output, designed for clear speech and balanced music performance.

Ideal for commercial spaces, meeting rooms, retail environments, and multi-speaker setups.

Key Features

• 80W + 80W stereo power output

• 4 microphone inputs

• Bluetooth, USB & SD card playback

• Optical & coaxial digital inputs

• Subwoofer support

• Independent master & mic volume control

• Bass, treble & echo adjustment

• Microphone priority function

• Remote control included

Specifications

• Channels: 2

• Load Impedance: 4–8Ω

• Frequency Response: 20Hz–20KHz

• THD: ≤0.5%

• Signal-to-Noise Ratio: ≥81dB

• Power Supply: AC220V

• Net Weight: 6.1kg

Designed for reliable performance and easy integration with compatible speaker systems.