BOSCH CCS 1000 D Digital Discussion System

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CCS 1000 D Digital Discussion System

CCS 1000 D Digital Discussion System makes it extremely easy to manage meetings and is ideal for small to medium sized meeting areas such as town halls, local business centers and courtrooms. The system is easy to set up, use and designed to encourage productive meetings.

The system delivers satisfying speech intelligibility thanks to advanced digital audio processing, superior microphone and loudspeaker performance. The loudspeaker and microphone can be activated simultaneously to create a natural face-to-face meeting feel, encouraging participants to take part in meetings more.

At the heart of the system, the Control Unit powers the Discussion Devices and can be utilized to control cameras and interface with external equipment such as sound reinforcement or public address systems. In addition to this, live video feed of active speakers can be shown on a big screen, through the system’s native support for automatic camera control. Up to six HD cameras can be easily connected to the system without needing additional software.

Audio of the whole meeting can be recorded conveniently with the built-in MP3 recorder, which makes it possible to archive meetings electronically and avoid the need to manually record meeting minutes. The inbuilt audio system utilizes a built-in Digital Acoustic Feedback Suppression (DAFS) so users can raise the volume without causing any ‘howling’ or ‘feedback’ effect.

CCS 1000 D Control Units

  • Plug-and-play functionality for quick and easy connection of up to 80 Discussion Devices
  • Intuitive web browser interface control for advanced configuration and control
  • Built‑in MP3 recorder with internal memory and USB recording
  • Built‑in Digital Acoustic Feedback Suppression (DAFS) for ensuring superior speech intelligibility.
  • On-board support for automatic HD camera control

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Supply voltage Adaptor 100 to 240 VAC, 50/60 Hz
Current Consumption voltage Adaptor 1.9 A (100 VAC) to 1 A 240 (VAC)
DC voltage Control Unit 24 V, 6.0 A
Maximum number of Discussion Devices for Control Unit (without Extension Unit) 40 Discussion Devices per trunk 80 Discussion Device in total 24 V, Max 5.2 A (short-circuited protected)
Discussion Device loudspeakers volume control 15 steps of 1.5 dB (starting from -10.5 dB)
Limit threshold level to unit 12 dB above nominal level
Gain reduction due to number of open microphones (NOM) 1/SQRT (NOM)
Sample rate 44.1 kHz
Frequency response 30 Hz to 20 kHz
Ethernet speed 1 Gb/s
Nominal input (85 dB SPL) < 0.5%
Max. input (110 dB SPL) < 0.5%

CCSD-EXU System extension unit

  • Expands the CCS 1000 D Digital Discussion System up to 245 Discussion Devices
  • Easily connected to system by use of 6-pole circular connectors
  • Built‑in splitter allows for installation at any convenient point in system, including loop‑through for cascading extension units
  • One trunk and two tap‑off connections with short‑circuit protection
  • Freestanding or 19” rack mounted; housing similar to control unit


Supply voltage Adaptor 100 to 240 VAC, 50/60 Hz
Current Consumption voltage Adaptor 1.9 A (100 VAC) to 1 A 240 (VAC)
DC voltage Control Unit 24 V, 6.0 A
Maximum number of Discussion Devices per Extension Unit 40 Discussion Devices per trunk/tap-off 85 Discussion Devices in total 24 V, Max 5.2 A (short-circuited protected)
Dimensions including feet(H x W x D) 45 x 440 x 200 mm(1.8 x 17.3 x 7.9 in) 19” wide, 1 RU high
Height of feet 5.5 mm (0.2 in)
Mounting Tabletop or 19” rack
Weight Approx. 4.12 kg (9.1 lb)
Material (top and base) Painted metal
Color (top and base) Traffic black (RAL 9017) matt-gloss
Rim front panel Pearl light grey (RAL 9022) matt-gloss
Operating temperature 5 ºC to +45 ºC (+41 ºF to +113 ºF)

CCS 1000 D Discussion Devices

  • Unique patent pending possible-to-speak indicator
  • Plug and play functionality for ensuring fast installation and reconfiguration times
  • Compact, attractive ergonomic design
  • Easily configured as a participant device or chairperson device
  • Immunity to mobile phone interference


Power consumption 1.3 W
Frequency response 30 Hz to 20 kHz (System electrical)
THD <0.5 %
S/N >93 dBA
Sampling rate 44.1 kHz
Headphones load impedance > 32 ohms < 1k ohm
Loudspeaker max. peak output power 4 W
Loudspeaker nominal output 72 dB SPL
Participants loudspeaker frequency response 200 Hz to 16 kHz (acoustical)
Microphone polar pattern Cardioid
Participants microphone frequency response 125 Hz to 15 kHz
Microphone nominal input 85 dB SPL
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