Bose Professional ControlSpace EX-440C Conferencing Processor

The Bose Professional ControlSpace EX-440C Conferencing Processor is an all-in-one device with open architecture design. It features 8-channel acoustic echo cancellation and adaptable noise cancellation. The unit includes a power cord. Specifications include signal processing capabilities, analog audio inputs and outputs, audio performance metrics, acoustic echo cancelling parameters, digital audio outputs, communication ports, control inputs, indicators, general configuration, operating temperature, cooling system, compliance standards, power consumption details, dimensions, weight, and package weight.

• DSP Section: Signal Processor/CPU: 32-Bit Fixed / Floating-Point DSP + ARM, 456 MHz Maximum Calculation: 3.6 GIPS / 2.7 GFLOPS Delay: 43 s Audio Latency: 1.05 ms (Analog In to Analog Out, Without AEC) A/D and D/A Converters: 24-Bit Sample Rate: 48 kHz
• Analog Audio Inputs: Input Channels: 4 Balanced, Mic/Line Level Connectors, Input: 0.15" / 3.81 mm Detachable Euroblock, 6-Pin Input Impedance: 12 Kilohms at 1 kHz (with or without Phantom Power Active) Maximum Input Level: +24 dBu Equivalent Input Noise: -118 dB at 44 dB Gain Setting Phantom Power: +48 VDC, 10 mA, Selectable per Input Pre-Gain Settings: 0/14/24/32/44/54/64 dB
• Analog Audio Outputs: Output Channels: 8 Analog (Balanced, Line Level) Connectors: 0.15" / 3.81 mm Euroblock, 6-Pin Output Impedance: 200 Ohms Maximum Output Level: +24 dBu
• Audio Performance: Frequency Response 18 Hz to 20 kHz (+0.8 dB / -0.2 dB Ref 1 kHz) THD+N: <0.003% at +4 dBu (A-Weighted / 20 Hz to 18 kHz) <0.01% at +44 dBu (A-Weighted / 20 Hz to 18 kHz) Channel Separation (Crosstalk): <-105 dB at +4 dBu 1 kHz Input Signal Dynamic Range >115 dB, A-weighted 20 Hz to 20 kHz, Analog Input to Analog Output
• Acoustic Echo Cancelling: Tail Length: 480 ms Noise Reduction: 32 dB Latency: 50 ms Channels: 8 References: 4