Bose EX-440C Conference Systems

With an open-architecture, all-in-one design, the ControlSpace EX-440C conferencing processor facilitates high-quality microphone integration and audio processing for small- to medium-size conference rooms. Various inputs and outputs allow for flexible configuration: four mic/line analog inputs, four analog outputs, onboard VoIP, PSTN, USB, Bose Professional AmpLink output, eight-channel acoustic echo cancelling (AEC), and 16 × 16 Dante connectivity. ControlSpace Designer software simplifies the setup process with drag-and-drop programming, making configuration quick and easy.

Features

All-in-one design supports simultaneous VoIP, PSTN, and USB soft codecs in a single, 1RU model

8-channel advanced AEC with multiple references, routable to both analog and Dante inputs

Adaptable noise cancellation on each AEC channel; non-linear processing and comfort noise to enhance the clarity and intelligibility of meetings

Single-line VoIP with an internal web interface, allowing IT personnel to configure VoIP parameters without design file access or integrator involvement

PSTN (RJ-11) connection for worldwide POTS/analog telephone systems

USB connection facilitates easy integration with all soft codecs

Dante audio networking includes 16 × 16 audio channels for connection to other Dante-enabled products, including native Dante-integrated microphones and amplifiers

AmpLink port provides 4 channels of uncompressed, low-latency digital audio to AmpLink-equipped Bose Professional amplifiers

Attribute

Value

Brand

Bose Professional

Series

ControlSpace EX

Model

EX-440C

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)

AEC-Enabled

Yes

Channels

Latency

50 ms

Noise Reduction

32 dB

References

Tail Length

480 ms

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

Type

Dante (input/output), AmpLink (output)

Maximum Output Level

+24 dBu

Output Impedance

Features

Specifications

More Conference Systems

More from Bose Professional