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Bose Professional ControlSpace Conferencing Sound Processor | Model: EX-440C

Product Description

The Bose Professional ControlSpace EX-440C Conferencing Sound Processor is a professional audio signal processor: the central routing and control device that sits between audio sources, microphones, conferencing systems, amplifiers, and loudspeakers. Unlike a loudspeaker, the EX-440C does not create sound in the room. It receives audio, adjusts and routes it, applies processing, and sends the correct signal to the correct output. For a non-technical user, it can be thought of as the system's traffic controller and sound-quality manager, keeping several rooms, sources, and operating modes organized.

The published input information includes (1) analog/digital, 2-pin Euroblock, 3.81 mm / (1) serial RS-232, 3-pin Euroblock, 3.81 mm. The output specifications show how audio can be distributed to amplifiers or other devices. Network and control interfaces should be checked when remote management or digital audio is required. The detailed specification groups below list the actual connectors, audio performance, processing capacity, control methods, physical size, and compliance information available from the manufacturer.

During setup, an integrator programs the EX-440C for the site's real workflow. This may include microphone equalization, feedback control, source selection, room combining, volume limits, automatic mixing, echo cancellation, delays, paging priorities, and presets. After commissioning, everyday users normally operate only a simple wall controller, touch panel, or approved software interface while the processor protects the deeper configuration. This separation is important: staff can use the system confidently without accidentally changing routing or safety-critical gain structure.

Choose the EX-440C when an installation is too complex for a basic mixer or when repeatable, centrally managed operation is required. It is appropriate for multi-zone hospitality, retail, education, corporate conferencing, houses of worship, campuses, and public facilities. The correct model depends on the number and type of inputs and outputs, required conferencing functions, network audio format, control integration, redundancy expectations, and future expansion. The scenarios below are typical starting points; a system designer should still create a signal-flow plan before specifying hardware.

Suitable Use Scenarios

  • Multi-zone restaurants, hotels, retail sites, campuses, and public buildings with several audio sources and destinations
  • Conference and meeting environments that need microphone processing, echo control, routing, and automation
  • Installed sound systems where technicians need centralized configuration, monitoring, and repeatable presets
  • Projects that must connect analog audio, digital audio, network audio, or control systems in a structured way
  • Scalable commercial installations that may expand or require remote service after commissioning

Product Specifications

Amplification

Channel Separation (Crosstalk) < -105 dB at +4 dBu, 1 kHz input signal
Dynamic Range > 115 dB, A-weighted, 20 Hz – 18 kHz, analog input to analog output
Frequency Response 18 Hz – 20 kHz (+0.8 dB/-0.2 dB), 1 kHz reference
THD+N < 0.003% at +4 dBu (A-weighted, 20 Hz – 18 kHz) / < 0.01% at +44 dBu (A-weighted, 20 Hz – 18 kHz)

Acoustic Echo Cancelation (Aec)

AEC-Enabled Yes
Channels 8
Latency 50 ms
Noise Reduction 32 dB
References 4
Tail Length 480 ms

Audio Inputs, Analog

Input Channels 4 balanced, mic/line
Connectors (1) 6-pin Euroblock, 3.81 mm, detachable
Equivalent Input Noise -118 dB at 44 dB gain
Sensitivity Options 0 dB, +14 dB, +24 dB, +32 dB, +44 dB, +54 dB, +64 dB
Input Impedance 12 kΩ at 1 kHz, with or without phantom power
Maximum Input Level +24 dBu
Phantom Power 48 VDC, 10 mA, software-selectable per input

Audio Inputs/Outputs, Digital

Channels 16 Dante in × 16 Dante out, primary/secondary / 4 AmpLink out
Connectors (2) RJ-45 Dante in/out / (1) RJ-45 AmpLink out
Type Dante (input/output), AmpLink (output)

Audio Outputs, Analog

Channels 4 balanced, line
Connectors (2) 6-pin Euroblock, 3.81 mm
Maximum Output Level +24 dBu
Output Impedance 200 Ω

Compliance

Safety UL60065 (8th edition), CAN/CSA-C22.2 No.60065 (8th edition), IEC/EN60065 (8th edition), UL62368-1 (2nd edition), CAN/CSA-C22.2 No. 62368-1-14 (2nd edition), IEC/EN 62368-1 (2nd edition)
EN 54-24 Certified No
EMC EN 55032:2015, EN 61000-3-2:2014, EN 61000-3-3:2013, EN 55035:2017, FCC Part 15B Class A, AS/NZS CISPR 32:2015, ICES-003 Class A, CISPR13

Control Inputs

Inputs (Control) (1) analog/digital, 2-pin Euroblock, 3.81 mm / (1) serial RS-232, 3-pin Euroblock, 3.81 mm
Voltage Range, Analog 0 V – 3.3 V (5 V maximum)
Digital Input Voltage 0 V – 3.3 V (1.6 V threshold)

Communication Ports

PSTN RJ-11, 1 line, Tx/Rx (transmit/receive)
USB Micro-B type, stereo in/out, HID support
VoIP RJ-45, 1 line

Electrical

Mains Connector IEC 60320-C14 inlet
Mains Voltage 85-264 VAC, 50/60 Hz
AC Power Consumption 35 W typical at 104 °F (40 °C) ambient
Power Dissipation 60 W (205 BTU/hr, 52 kcal/hr)

General

Software Applications ControlSpace Designer 5.5 or later (Windows)
Computer Interface Connection RJ-45 (Dante), through network router or switch

Indicators And Controls

Display 256 × 64 OLED
LED Status Indicators (1) power/status LED

Integrated Dsp

Delay 43 s
A/D and D/A Converters 48 kHz / 24-bit
Audio Latency 1.05 ms, analog input to analog output without AEC
DSP-Enabled Yes
Maximum Calculation 3.6 GIPS / 2.7 GFLOPS
Signal Processor/CPU 32-bit fixed/floating-point DSP 456 MHz/Arm Cortex-A8 600 MHz processor
Sample Rate / Bit Depth 48 kHz / 24-bit

Physical

Colors Black
Cooling System 2 variable-speed side-venting fans
Suspension/Mounting Standard rack ears
Operating Temperature Range 0 °C to 40 °C (32 °F to 104 °F)
Product Dimensions (H×W×D) 1.7 in × 19.0 in × 11.1 in (44 mm × 483 mm × 282 mm)
Net Weight 7.1 lb (3.2 kg)
Rack Spaces 1RU

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