Description
Hochiki Base Sounder
| YBO-BS Data Sheet |
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| YBO-BS Installation Instruction |
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| YBO-BS Base Sounder tones & Volumes |
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Technical Specifications
| Attribute | Details |
|---|---|
| Voltage Range | 17 – 41 VDC |
| Sound Output | 50–98 dB(A) @ 1 metre |
| Tones Available | 51 selectable tones |
| Current Consumption | 0.8 mA (min) to 16 mA (max) |
| Operating Temp | -10°C to +50°C |
| Ingress Protection | IP21 |
| Dimensions | 113 mm (Ø) x 43 mm (H) |
| Weight | 112 g |
| Material | White polycarbonate |
| Compatible Bases | YBN-R/3 Standard Base, YBO-R/SCI Isolator Base |
Hochiki Sounder Base Product Overview
The Hochiki Sounder Base Built for Performance and Simplicity
The Hochiki YBO-BS is a compact, intelligent, and highly reliable Hochiki sounder base that delivers powerful audible fire signalling directly from the loop.
Designed for seamless use with the Hochiki ESP range, this sounder base fits directly under Hochiki detectors or remote indicators, saving both time and ceiling space on installations.
Unlike conventional units that require additional wiring or external power supplies, the YBO-BS base sounder is fully loop-powered, drawing minimal current while still offering selectable sound output up to 98 dB(A).
Key Features
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Loop-Powered Operation
Connects directly to the Hochiki addressable loop – no external PSU needed. -
Single Loop Address
Easily programmed via the Hochiki TCH-B200 Programmer, reducing configuration time on site. -
Wide Tone Selection
Choose from 51 industry-standard tones (EN54-3 compliant), with selectable volume levels from 50 dB(A) to 98 dB(A). -
Auto Shut-Off Option
Supports control panel–driven auto silencing, ideal for hospitals, offices, and noise-sensitive sites. -
Flexible Mounting
Fits Hochiki detectors, beacons, and the SI/CAP Cover Cap for stand-alone use as a wall sounder. -
Low Current Consumption
Optimised for energy efficiency – a key benefit for large systems with high device counts. -
Approvals
Certified to EN54-3 with full LPCB and VdS approval for dependable compliance.
Ideal For:
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Office buildings
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Schools and colleges
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Hospitals and care homes
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Warehouses and commercial facilities
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Anywhere requiring audible fire signalling from a discreet base-mounted device
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Why Choose the YBO-BS Hochiki Base Sounder?
When space, simplicity, and sound performance matter, the Hochiki YBO-BS base sounder is the answer. It reduces cabling, fits neatly under existing Hochiki devices, and delivers industry-approved sound levels with full loop control. Whether retrofitting or starting from scratch, this unit adds serious value to any ESP system.
Order the Hochiki YBO-BS Sounder Base today from Fire Trade Supplies – your trusted UK source for certified Hochiki fire alarm components and accessories.
