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A flexible DSP platform for scalable systems, the BOSE CONTROLSPACE EX-1280C : CONFERENCING PROCESSOR has the features to support rooms of various sizes and the flexibility to meet future needs. With an open-architecture, all-in-one design, the ControlSpace EX-1280C offers signal processing for integrated-microphone audio conferencing applications. As the highest-capability processor of the ControlSpace EX family, the EX-1280C includes 12 mic/line analog inputs, 8 analog outputs, 8 AmpLink digital outputs, 12 acoustic echo cancellers (AEC), and 64 × 64 Dante connectivity. ControlSpace Designer software simplifies the setup process with drag-and-drop programming, making configuration quick and easy.
Key Features
- All-in-one design supports simultaneous VoIP, PSTN and USB soft codecs in a single 1RU model
- 12 acoustic echo cancellers (AEC) route to both analog and Dante inputs; multiple references allow one EX-1280C processor to support multiple rooms or AEC-sharing across multiple processors
- Adaptable noise cancellation on each AEC channel; non-linear processing and comfort noise to enhance the clarity and intelligibility of meetings
- 2-line VoIP with an internal web interface allowing IT personnel to configure VoIP parameters without design file access or integrator involvement
- PSTN connection (RJ-11) for worldwide POTS/analog telephone systems
- USB connection facilitates easy integration with PC soft codecs
- Dante audio networking supports 64 × 64 audio channels for connection to other Dante-enabled products, including native Dante-integrated microphones
- AmpLink port provides 8 channels of uncompressed, low-latency digital audio to AmpLink-equipped Bose Professional amplifiers
- Front-panel interface features large OLED display and rotary encoder for setting network parameters and monitoring channel activity
- GPIO (5 in/5 out) for external connections including microphone pushbuttons or driving microphone LEDs
| Integrated DSP | 32-bit fixed/floating-point DSP, 456 MHz ARM Cortex-A8 |
| Maximum Calculation | 3.6 GIPS / 2.7 GFLOPS |
| 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 | 12 balanced mic/line level inputs |
| Input Connectors | 3.81 mm detachable Euroblock, 6-pin |
| Input Impedance | 12 kΩ @ 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, software selectable per input |
| Gain Settings | 0 / +14 / +24 / +32 / +44 / +54 / +64 dB |
| Analog Audio Outputs | 8 balanced line-level outputs |
| Output Connectors | 3.81 mm Euroblock, 6-pin |
| Output Impedance | 200 Ω |
| Maximum Output Level | +24 dBu |
| Frequency Response | 20 Hz – 20 kHz (+0.3 dB/-0.1 dB) |
| THD+N | 0.002 % at +4 dBu (A-weighted, 20 Hz – 20 kHz) |
| Channel Separation (Crosstalk) | < -105 dB at +4 dBu input and output level, 1 kHz |
| Dynamic Range | 115 dB, A-weighted, 20 Hz – 20 kHz, analog input to analog output |
| Acoustic Echo Cancelling (AEC) | 12 channels, 480 ms tail length, 32 dB noise reduction |
| Latency (AEC) | 50 ms |
| References (AEC) | 4 |
| Audio Over IP | Dante™ 64 × 64, primary/secondary, routable to AEC |
| Digital Audio Outputs | AmpLink 8 low-latency (< 21 μs), 48 kHz |
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