12x8 Audio DSP- P128SPDT
Specs
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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
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Versatile I/O – 12 mic/line inputs with AEC (8 with +48V phantom power), 8 line-level outputs.
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Advanced DSP Engine – Matrix mixing, automatic mixers, parametric EQ, HPF/LPF, feedback suppression, ducker, limiter, leveler, delay, and AEC.
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AEC Performance – >200 ms tail length ensures robust echo cancellation in challenging acoustic spaces.
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High-Fidelity Conversion – 24-bit / 48 kHz A/D and D/A for professional-grade audio.
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USB Audio Interface – Supports up to 8 configurable channels for seamless conferencing with PCs and UC platforms.
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Digital I/O Expansion – 8 GPIO inputs for mic muting, triggers, or presets; 8 GPIO outputs for LED indicators.
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Enterprise-Grade Networking – Gigabit Ethernet supporting ARP, ICMP, IEEE 802.1X, TCP/IP, DHCP, HTTPS, Telnet, SSH.
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Front-Panel Monitoring – Dedicated LED indicators for signal and clipping on all inputs and outputs.
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Flexible Control Options – Managed via USB, RS-232 and Ethernet.
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