Product details
| Part number | 4905-9838 |
|---|---|
| Description | Sound Damper, Qty 28 Per Pack |
| Category | Notification Appliances / Appliance Plates, Covers & Back Boxes |
| System | Simplex TrueAlarm detectors and TrueAlert appliances |
| Works with | TrueAlert multi-candela horn/strobes (A/V only), 4901-9820 electronic horn, TrueAlert SmartSync horn/strobes |
| Approvals | UL listed |
| Availability | On request, ask for lead time |
| Support | Selection, compatibility and programming help from our engineers |
Need it for a project?
Tell us the quantity and the panel or system it is for. We confirm compatibility, price and delivery, and can install and program it.
About the 4905-9838
Field installed, adhesive backed horn output attenuator that lowers horn output by 5 to 6 dBA. It is used on TrueAlert horn/strobe (A/V) appliances and the 4901-9820 horn in places such as stairwells, small rooms and highly reverberant areas.
After installing the sound damper, measure the sound level to check it meets the applicable code requirements.
Specifications
| Attenuation | reduces output 5 to 6 dBA |
|---|---|
| Size | 1-3/4" Diameter (44.5 mm) with 0.31" (8 mm) sound opening |
| Package | package of 20 |
| Mounting | Field installed, adhesive backed |
Used with
- 4906-9139 – Wall mount horn/strobe, red
- 4906-9141 – Wall mount horn/strobe, white
- 4901-9820 – Electronic horn, non-addressable
From Simplex datasheet S4906-0011. The datasheet can be downloaded under Documents above.
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