
Product Description:
8-channel digital audio processing center, featuring 8 analog inputs and 8 analog outputs. It utilizes the industry-leading ADI SHARC 21489 DSP chip with a maximum operating frequency of 450 MHz.
The DSP's input and output modules can be customized according to on-site requirements. It includes independent processing modules such as AFC, AEC, ANS, AGC, Gain Sharing Automatic Mixing, and Threshold Automatic Mixing, and supports third-party control protocols.
Suitable for audio processing and transmission needs in various venues such as meeting rooms, multi-function halls, conference center auditoriums, and administrative centers.
Product Specifications:
8 balanced microphone/line inputs, 8 balanced audio outputs, using Phoenix terminal block connectors.
Adjustable input sensitivity, up to 48 dB maximum.
Phantom Power: +48V phantom power.
THD + Noise: < -90 dB (22.4 kHz BW, A-weighted); 1 kHz @ +18 dBu with 0 dB gain.
Sampling Rate: 48 kHz, ± 100 ppm.
Dynamic Range (A/D/A): > 109 dB, A-weighted.
Echo Cancellation (AEC): Tail length: 512 ms, Convergence Rate: 60 dB/s, Echo Suppression: 60 dB.
Feedback Suppression (AFC): Utilizes notch filter algorithm, increases gain before feedback by 10 dB.
Noise Suppression (ANS): Improves signal-to-noise ratio by 18 dB.
8-band parametric EQ, offering 5 filter types: (Parametric, Low-shelf, High-shelf, Low-pass, High-pass).
Built-in 2-channel USB audio interface (1 input, 1 output) for connecting to a computer to enable audio signal transmission, supporting recording/broadcasting and remote conferencing.
Provides end-user customizable operation interface, supports management of up to 30 devices within a single interface.
Built-in 4 GPIO ports for fire alarm linkage; can be independently configured as input or output. When configured as input, can be used as an independent ADC.
Built-in 1 RS232 port and 1 RS485 port for controlling third-party equipment; enables integrated control of system power, signal switching, environment, audio, etc., for one-touch activation of system functions.
Multiple control methods: manageable via web browser, smartphone, tablet, keypad, touch panel, etc.
Analog Input/Output Channels: 8 x 8
Processor: ADI SHARC 21489
Sampling Rate: 48 kHz / 24-bit
Input Gain: 0 / 6 / 12 / 18 / 24 / 30 / 36 / 42 / 48 dB
Phantom Power: +48V / 10 mA max
Frequency Response (20 Hz – 20 kHz): ±0.5 dB
Maximum Input Level: +18 dBu
THD+N: < -100 dB @ +17 dBu
Input Dynamic Range: 110 dB
Output Dynamic Range: 112 dB
Channel Crosstalk @ 1 kHz: 108 dB
Input Impedance (Balanced): 5.4 kΩ
Output Impedance (Balanced): 600 Ω
System Latency: < 3 ms
Power Supply: AC 220 V, 50 Hz
Dimensions (W x D x H): 482 x 260 x 45 mm
Shipping Weight: 3 kg