Bosch CCSD-EXU Product Highlights
Explore the key capabilities of the Bosch CCSD-EXU System Extension Unit for larger CCS 1000 D systems.Up to 245 Devices
Expands a CCS 1000 D system to a maximum of 245 discussion devices.
85 More Devices
Each unit powers up to 85 additional discussion devices.
Built-in Splitter
One trunk and two tap-offs, installed at any point; cascade more units.
Short-Circuit Protection
A short on one output disconnects only that output; the unit stays powered.
Automatic Power Up
Switches on and off with the control unit, nothing to operate.
Rack or Tabletop
Same housing as the control unit: 19-inch, 1 RU, feet and brackets included.
Technical Specifications
Key specs
- Up to 85 more devices
- System up to 245 devices
- 1 trunk + 2 tap-offs, 40 devices each
- Built-in splitter, cascadable
- Short-circuit protection
- Powers on with the control unit
- 24 VDC supply included
- 19-inch, 1 RU, 4.12 kg
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% |
XLR nominal microphone input | -56 dBV |
XLR maximum microphone input | -26 dBV |
RCA nominal input | -24 dBV (+/- 6 dB) |
RCA maximum input | +6 dBV |
S/N | > 93 dBA |
Frequency response | 30 Hz to 20 kHz |
THD | <0.1% |
RCA nominal output | -24 dBV (+6/- 24 dB) |
RCA maximum output | +6 dBV |
S/N | > 93 dBA |
Frequency response | 30 Hz to 20 kHz |
THD | <0.1% |
Recording/ Playback (bit rate) | 64, 96, 128, 256 Kbit/sec |
Recording/ Playback (sample frequency) | 44.1 kHz |
Nominal output | 72 dB SPL |
Frequency response | 200 Hz to 16 kHz (acoustical) |
Gain range | Mute -10.5 to +12 dB |
SanDisk USB memory stick | Formatted with FAT32 file system. Maximum size: 128 GB. |
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 |
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 |
Weight (CCSD‑CURD) | Approx. 3.4 kg (7.5 lb) |
|
Operating temperature |
5 ºC to +45 ºC (+41 ºF to +113 ºF) |
|
Storage and transport temperature |
-40 ºC to +70 ºC (-40 ºF to +158 ºF) |
|
Relative humidity |
5% to 98% non-condensing |
Know before you buy
Quick answers about the CCSD-EXU, and how it compares.
When do I need a CCSD-EXU?
A control unit powers up to 80 discussion devices. For more, add extension units: each powers up to 85 more, up to 245 devices in one system.
How is it connected?
Its 2 m cable plugs into the control unit or the previous component in the chain. It has one trunk and two tap-off outputs, up to 40 devices each and 85 in total, and a loop-through for cascading more extension units.
What is in the box?
Extension unit, mains cord, 24 VDC power supply, feet for tabletop use, 19-inch 1U mounting brackets, safety instructions and a quick installation guide.
What do I need for a CCS 1000 D system?
- A control unit: CCSD-CURD with MP3 recorder and feedback suppression, or CCSD-CU (ask us) without them. It powers and controls up to 80 discussion devices on two trunks of 40.
- Extension units for bigger rooms: each CCSD-EXU powers up to 85 more devices, for a maximum of 245.
- Tabletop devices: CCSD-DL2 (long microphone) or CCSD-DS2 (short microphone), each set as participant or chairperson.
- Flush devices: CCSD-FDL for participants and CCSD-FCML for the chairperson, both with long microphones; short-microphone CCSD-FDS (ask us) and CCSD-FCMS (ask us). Up to 35 flush devices per trunk.
- A tablet, laptop or PC for the web browser interface and advanced settings.
Devices daisy-chain with their own 2 m cables and are plug and play: no restart when you add or remove one.
Who supplies Bosch CCS 1000 D in Pakistan, and what warranty do I get?
Electronic Security Company (ESCO) is the only authorized distributor of Bosch, Dynacord and Electro-Voice in Pakistan, so every CCS 1000 D product is genuine and comes with a 3-year warranty. Warranty is carry-in: bring the unit to an ESCO office and after inspection it is repaired or replaced as needed.
We supply, design and install complete conference and voting systems for parliaments, government offices, boardrooms and auditoriums, with after-sales service nationwide. Prices are quoted per project: tell us your room and number of seats and we will send a quote.

