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12x8 Audio DSP- P128SPDT

Specs

  • Audio Inputs
    – 12 × mono mic/line inputs, balanced or unbalanced
    – Acoustic Echo Cancellation (AEC) available on all input channels
    – +48V phantom power provided on 8 inputs for condenser microphones
    – Input impedance: >10 kΩ balanced, >5 kΩ unbalanced
    – Maximum input level: +20 dBu

  • Audio Outputs
    – 8 × mono line-level outputs, balanced or unbalanced
    – Output impedance: <200 Ω
    – Maximum output level: +20 dBu

  • AEC Performance
    – Tail length: >200 ms
    – Adaptive echo cancellation with fast convergence
    – Full duplex operation with near-end speech enhancement

  • Conversion
    – 24-bit analog-to-digital and digital-to-analog converters
    – 48 kHz sampling rate
    – Dynamic range: >110 dB

  • DSP Functions
    – Standard, automatic, and matrix mixers
    – Parametric equalizers (PEQ) with multiple bands
    – High-pass and low-pass filters (HPF, LPF)
    – Feedback suppression and notch filtering
    – Leveler, limiter, compressor, and ducker
    – Adjustable gain stages
    – Delay: up to 500 ms per channel
    – Advanced AEC processing with noise reduction

  • Audio Performance
    – Signal-to-Noise Ratio (SNR): >107 dB @ maximum output
    – Frequency Response: 20 Hz – 20 kHz (±0.5 dB)
    – Common Mode Rejection Ratio (CMRR): >60 dB @ 1 kHz
    – Total Harmonic Distortion + Noise (THD+N): <0.02% (20 Hz – 20 kHz)

  • USB Audio Interface
    – Up to 8 configurable USB audio channels (in/out)
    – USB 2.0 compatible for PC connectivity
    – Plug-and-play support for Microsoft Teams, Zoom Rooms, and UC platforms

  • Digital I/O
    – 8 contact inputs for mute, activation, preset recall
    – 8 logic outputs for LED or tally feedback (5V, TTL compatible)

  • Network Connectivity
    – 10/100/1000 Base-T Ethernet port (RJ-45)
    – Supported protocols: ARP, ICMP, IEEE 802.1X, IP, TCP, DHCP, HTTPS, Telnet, SSH
    – Control and monitoring via standard web interface and third-party API

  • Control & Monitoring
    – Interfaces: USB, RS-232, Ethernet
    – Compatible with PTPL control panels and third-party automation systems
    – Secure remote access with HTTPS and SSH

  • Indicators & User Interface
    – Front-panel LEDs for input/output signal presence and clip status
    – System status indicators for power and network connectivity

  • Certifications & Compliance
    – CE, UL, RoHS, WEEE, FCC
    – Designed to meet enterprise and government AV standards

  • Power Supply
    – 100–240 VAC, 50–60 Hz universal input
    – Power consumption: <50 W

  • Environmental
    – Operating temperature: 0°C to +50°C
    – Storage temperature: –20°C to +70°C
    – Relative humidity: 10% – 90%, non-condensing

  • Mechanical
    – Form factor: 1U rack-mountable chassis
    – Dimensions (W × D × H): 482 × 280 × 44 mm (approx.)
    – Weight: 3.5 kg (approx.)

Features

  • Versatile I/O – 12 mic/line inputs with AEC (8 with +48V phantom power), 8 line-level outputs.

  • Advanced DSP Engine – Matrix mixing, automatic mixers, parametric EQ, HPF/LPF, feedback suppression, ducker, limiter, leveler, delay, and AEC.

  • AEC Performance – >200 ms tail length ensures robust echo cancellation in challenging acoustic spaces.

  • High-Fidelity Conversion – 24-bit / 48 kHz A/D and D/A for professional-grade audio.

  • USB Audio Interface – Supports up to 8 configurable channels for seamless conferencing with PCs and UC platforms.

  • Digital I/O Expansion – 8 GPIO inputs for mic muting, triggers, or presets; 8 GPIO outputs for LED indicators.

  • Enterprise-Grade Networking – Gigabit Ethernet supporting ARP, ICMP, IEEE 802.1X, TCP/IP, DHCP, HTTPS, Telnet, SSH.

  • Front-Panel Monitoring – Dedicated LED indicators for signal and clipping on all inputs and outputs.

  • Flexible Control Options – Managed via USB, RS-232 and Ethernet.

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