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Description
Bogen Communications SI35A Multi-Graphic Desktop Control CenterThe SI35A Multi Graphic Desktop Control Center from Bogen Communications provides fast, reliable and efficient intercommunication and tone signaling in small to medium sized schools. The SI35A provides a 20W intercom amplifier to permit instant intercommunication with any speaker equipped location, and a separate 35W program amplifier for simultaneous distribution of program material to other rooms or locations. The system also features an emergency
The SI35A Multi-Graphic Desktop Control Center from Bogen Communications provides fast, reliable and efficient intercommunication and tone signaling in small to medium-sized schools. The SI35A provides a 20W intercom amplifier to permit instant intercommunication with any speaker-equipped location, and a separate 35W program amplifier for simultaneous distribution of program material to other rooms or locations. The system also features an emergency page capability for emergency announcements to all stations at once.
The system provides complete facilities for distributing a variety of program materials from equipment such as microphones, CD player- AM/FM receiver, or other background music source (sold separately). Selection of program material, as well as its distribution to selected rooms is accomplished with simple push-button program selection and by following the color-coded guidelines.
- Cost-effective communication for 25 to 75 rooms
- Can be furnished with 1, 2, or 3 room selector panels (each with 25 switches), to accommodate up to 25, 50, or 75 rooms (model SBA225, sold separately)
- Step-by-step instructions and color-coded guidelines for easy operation
- Instant emergency and all rooms announcements
- Remote emergency paging capabilities
- 20W intercom; separate 35W program channel
- Provision for time signaling, Telco and voice call-in
- Aural and visual monitoring of program material, as well as level controls
- Transmit a time tone for classroom change
- Emergency All-Call with a single push-button
- Emergency announcements take precedence over all system functions and are transmitted at a predetermined level
- Emergency paging from a remote telephone or microphone
- Teachers converse hands-free with the control center operator over their individual classroom speaker
- Calls to staff locations are announced by a supervisory tone signal, which repeats at regular intervals to indicate that the channel is open and the room is being monitored
- Classrooms can be equipped with call-in switches to call the control center, with options for privacy to voice call-in
- CD player-AM/FM receiver (sold separately) can be installed when the system capacity does not exceed 50 stations
- Sturdy desktop cabinet finished in an attractive simulated wood grain finish
UPC: 765368430257
In the Box
Bogen Communications SI35A Multi-Graphic Desktop Control Center
- Limited 2-Year Warranty
| Output | Rated Program: 35 WRMS Intercom: 20 WRMS 25 V Balanced line, Line Out to Booster |
| Frequency Response | Program: +1, -3 dB from 80 Hz to 15 kHz Intercom: Shaped for maximum intelligibility |
| Distortion | Less than 1% at rated power and bandwidth |
| Input | Two Lo-Z balanced MIC: Hi-Z unbalanced AUX; Telco Page; 25V Booster |
| Phantom Power | 15 VDC |
| Input Sensitivity | Program: MIC Input: 300?V balanced Lo-Z; AUX: 100mV unbalanced Hi-Z (for rated output) Telco Page: 100mV unbalanced Hi-Z Intercom: Listen Mode: 300 ?V balanced Lo-Z (Console MIC: 1 mV unbalanced Lo-Z) |
| Control | Front Panel: Program Selection: MIC 1, MIC 2, AUX; Level: Monitor/ Listen, Program; Distribution: All Rooms, Emergency, Press To Talk; Indicators: Program Talk/ Level LED Rear Panel: Input Gain: MIC 1, MIC 2, AUX, Telco Page, Talk, Listen Internal: Gain: Emergency Page, Supervisory Tone, Time Tone Enable/Disable: MIC 1/Console MIC; MIC 2/Telco Page, Phantom Power, Supervisory Tone, MIC 1/Monitor Mute |
| Tone | Time Tone: 750 Hz Supervisory Tone: Repeating, 500 Hz Call-in Tone: Repeating; oscillates between 500 Hz and 750 Hz (Switching Frequency, 16 Hz) |
| Power Requirements | 120 VAC, 60 Hz, 100 W maximum |
| Cabinet | Simulated wood grain finish |
| Panel | Black with color-coded lines and instructions for Intercom, Program, Emergency Page |
| Operating Temperature | 0 to 130�F (-18 to 54.4�C) |
| Dimensions (W x H x D) | 20.5 x 12.0 x 11.0" (520.7 x 304.8 x 279.4 mm) (with sloped top) |
| Weight | 29.00 lb (13.15 kg) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Great Quality
My son Loves this Jacket. He specifically asked for one for Christmas and this one met his every expectation. It is great quality. It is thick and warm without being too bulky. I sized up for him since he is a growing teenager and it still fits great and he will be able to wear it next winter too if he wants.
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Reviewed in the United States on February 20, 2026
★★★★★ 4
Cotton as Stylish as Snow
So far, after only wearing it a handful of days, I have already fallen deeply in love with this jacket. With its quality fleece jean material and stylish look, it's arguably climbed at record speed to being my favorite winter jacket thus far. It won't exactly cut it for the days of extreme cold, but it's practically perfect for those high 30s to low 50s degree Fahrenheit weather!
The cotton on the inside is both soft and warm, and the overall fit of it hits a perfect sweet spot of being weighty without feeling too hefty or dragging on the body. The pockets aren't the deepest in the world, but with four of them, they'll be more than able to carry an decently sized arsenal of your everyday items. It lays on nicely, and is able to be worn with an extra layer or two underneath, in case a bit of extra warmth is needed. The only caveat that I could give it, hence why I gave it 4 stars instead of 5, is that if you choose to dawn on clothes that are rather lint susceptible, this jacket will be a direct enemy to it.
But that is where the criticisms start and end, and is why I wish there were a way to give a product a 4.5 stars review here on Amazon. Otherwise, this is a must buy for anyone looking for a winter jacket that packs a bit more visual finesse than a typical puffer jacket.
If only I had the sense to buy a winter jean jacket such as this one sooner rather than later!
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Reviewed in the United States on February 21, 2026
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️
Size: X-Large, Color: Black-grey Lined
Perfect fit. Color and quality were great! Awesome jacket for the money
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Absolutely loved this
First of all, I loved that it came in a nice transparent bag. And it is the perfect fit. The inside is lined sherpa fleece, which is really warm in freezing temperature. The outside is denim material. It's not stretchy but is soft from inside. The color I got is dark brown.
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Reviewed in the United States on December 30, 2025
★★★★★ 3
Runs small if you are wearing layers
Runs small
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Reviewed in the United States on January 21, 2026