BG-A88M Versatile 8x8 Balanced Digital Audio Processor with AEC, ANS, AGC, Auto Mixer, and 8x Programmable GPIO Support

The BG-A88M is an advanced and versatile 8x8 balanced digital audio processor, designed to enhance the quality and flexibility of your audio setup. Featuring a robust suite of technologies including Acoustic Echo Cancellation (AEC), Automatic Noise Suppression (ANS), Automatic Gain Control (AGC), and an auto mixer, this processor delivers exceptional audio performance across a wide range of applications. Whether you're integrating it into a professional audio system or utilizing it for high-end conference calls, the BG-A88M ensures crystal-clear sound while minimizing distortions, feedback, and unwanted noise.

Equipped with eight channels of programmable General Purpose Input/Output (GPIO), the BG-A88M is highly customizable, allowing you to tailor the device to suit specific control needs. Its intuitive connectivity options include balanced MIC/LINE inputs, stereo audio inputs, balanced LINE outputs, and stereo audio outputs, all conveniently accessible via 3-pin phoenix connectors. The unit also includes a LAN connection for network control, an RS-232 serial port, and additional GPIO for external control options, making it suitable for integration with a wide range of professional systems.

The processor’s metal enclosure and compact design, measuring just 17 inches wide, 9.8 inches deep, and 1.8 inches high, make it a durable and space-saving choice for both rack-mounted and stand-alone installations. With support for a broad range of operating conditions, including a wide temperature and humidity tolerance, the BG-A88M is ideal for use in commercial, industrial, and broadcast environments. Moreover, its energy-efficient operation, consuming only 9 watts of power at maximum load, ensures minimal operational costs without sacrificing performance.

Key Features

• Advanced Acoustic Echo Cancellation (AEC) and Automatic Noise Suppression (ANS) for superior sound quality
• Automatic Gain Control (AGC) and Auto Mixer capabilities for consistent audio levels
• 8 x Balanced MIC/LINE inputs and 8 x Balanced LINE outputs for flexible connectivity
• 8 x Programmable GPIO for customized control functionality
• Durable metal enclosure with compact design, suitable for rack or stand-alone installations
• Supports both network control via LAN and serial communication via RS-232
• Phantom Power (+48 VDC) for condenser microphones
• Low power consumption, ensuring energy-efficient operation
• Wide operating temperature and humidity range, suitable for a variety of environments

Technical Specifications

Amplitude-frequency: 20Hz~20kHz@+4dBu) ±0.2dB
THD+N (1kHz@+4dBu): ≤ 0.01%
SNR (linear input): ≥ 90dB
Dynamic Range: ≥ 100dB
Channel Level Difference: ±0.5dB
Channel Isolation: ≥ 80dB
Max Input Level: 20dBu
Max MIC Gain: 40dB
Input Impedance: 20KΩ
Output Impedance: 300Ω
Sampling Frequency: 48kHz
A/D and D/A Conversion: 24Bit
Phantom Power: +48 VDC

Connection

Inputs: 8 x Balanced MIC/LINE [3-pin phoenix connector] or 4 x Stereo Audio [3-pin phoenix connector]
Outputs: 8 x Balanced LINE [3-pin phoenix connector] or 4 x Stereo Audio [3-pin phoenix connector]
Controls: 1 x LAN [RJ45], 1 x RS-232 [3-pin phoenix connector], 8 x GPIO [10-pin phoenix connector]

Mechanical

Housing: Metal Enclosure
Color: Black
Dimensions: 17" x 9.8" x 1.8" [440mm (W) x 250mm (D) x 45mm (H)]
Weight: 7.3lbs [3.3kg]
Power Supply: AC 100 - 240V 50/60Hz
Power Consumption: 9W (Max)
Operating Temperature: 32°F ~ 104°F / 0°C ~ 40°C
Storage Temperature: -4°F ~ 140°F / -20°C ~ 60°C
Relative Humidity: 20~90% RH (non-condensing)