Standard Horizon PA/Hailer Horn 4.5" Round 4ohm Fits Select Models
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Upgrade your marine loud hailing setup with the Standard Horizon PA/Hailer Horn 4.5" Round 4ohm (SKU 783-220SW). Built for clear voice hailing and public address (PA) use with compatible Standard Horizon VHF radios that support PA/Hailer horn operation.
Key Features
- Round 4.5" horn for compact, high-output hailing and PA applications
- 4 ohm impedance design for compatible PA/Hailer horn systems
- Standard Horizon PA/Hailer horn model 220SW (SKU 783-220SW)
Intended Use
- Standard Horizon VHF radios that support PA/Hailer horn operation (listen-back PA/Hailer function where available)
- Marine PA/Hailer horn installations requiring a 4 ohm PA/Hailer horn
Product Details
- SKU/Part Number: 783-220SW
- Model: 220SW (PA/Hailer horn)
- Horn shape/size: 4.5" round
- Impedance: 4 ohm
Parts Desk Insights
Best Use Case: Ideal for replacing a worn or missing PA/Hailer horn on a Standard Horizon hailer/PA setup, especially when you want a compact round horn.
Common Issues: If you’re not getting audio in PA/Hailer mode, verify horn impedance compatibility and check that the horn is connected to the radio’s PA/Hailer horn terminals (and that the radio is set to the correct PA/Hailer mode).
Related Products & Accessories
- Standard Horizon PA/Hailer Horn 4.5" Round 4ohm Fits Select Models - Same product reference for quick navigation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.