4-In / 8-Out FIR DSP Speaker Processor, 96 kHz / 24-Bit, USB / RJ45 / RS232, GALLIARD48FIR

GALLIARD48FIR is a 4-in / 8-out FIR DSP speaker processor designed for professional loudspeaker system control. It integrates a high-performance DSP, Dynamic EQ, FIR filters, and flexible speaker parameter configuration for professional audio applications.

With RJ45, USB, and RS232 connections, the GALLIARD48FIR supports PC software control for multiple devices and allows integration with third-party control systems. It features 4 analog inputs, 8 analog outputs, and a high-performance DSP platform with 96 kHz / 24-bit processing.

Key Features

• 4 analog inputs and 8 analog outputs
• High-performance DSP
• 96 kHz / 24-bit sampling rate
• Inputs: 15-band PEQ
• Outputs: 10-band PEQ
• Supports HPF and LPF with Butterworth, Bessel, and Linkwitz-Riley responses
• Supports LSLV, HSLV, and All-Pass filters
• Input: 3-band Dynamic EQ
• Input FIR: 4 x 1024 taps, 48 kHz linear-phase
• Output FIR: 8 x 256 taps, 48 kHz linear-phase
• Supports preset archiving and locking
• Control connections: USB or TCP/IP
• Configurable with RS232 central control
• Compatible GUI for Windows 7 / 8 / 10 / 11

Technical Specifications

DSP Process

• Process: ADI SHARC 21489 450MHz
• System delay: 1.8 ms
• AD/DA: 24-bit 96 kHz

Analog Audio Inputs and Outputs

• Input: 3 or 4 channels balanced
• Input interface: XLR (Neutrik®)
• Input impedance: 20KΩ
• Max input level: 16 dBu / Line
• Output: 6 or 8 channels balanced, line level
• Output interface: XLR (Neutrik®)
• Output impedance: 150Ω

Audio Performance Specifications

• Frequency response: 20Hz - 20kHz (+-0.5dB) / Line
• THD+N: < -90dB (@0dBu, 1kHz, A-wt) / Line
• Ground noise: 20Hz - 20kHz, A-wt, -93dBu
• SNR: 108dB (@16dBu, 1kHz, A-wt) / Line

Connect Ports and Indicators

• USB: Type A-B, free driver
• RS232: Serial port communication
• TCP/IP interface: RJ-45
• Indicator light: Clip, level, edit, mute

Electrical and Physical

• Supply: AC100V~240V 50/60 Hz
• Product dimensions: 483mm x 215mm x 44.5mm
• Packaged dimensions: 537mm x 343mm x 77mm
• Net weight: 3.6 kg
• Packaged weight: 4.0 kg
• Operating temperature: -20°C ~ 80°C

Front and Rear Panel Features

• LCD display
• Function select and settings buttons
• Short press to mute, long press to edit parameter
• USB-B connection
• Power plug input and power switch
• RS232 connection
• RJ45 connection
• Balanced XLR input and output