EXW Singapore — collect or forward from our Singapore office.

3G Electric
WOLO 820 Air Horn - High Tone 320 Hz Chrome Plated Black - Air-Powered Horns
WOLOAir-Powered Horns

WOLO 820 Air Horn - High Tone 320 Hz Chrome Plated Black

The WOLO Air Horn (MPN 820) is a 12V DC, air-powered high-tone horn with a 320 Hz frequency and 130 dB max sound level, finished in chrome-plated black and including brass fittings.

SKU 3G-OTH-486162

Brand
WOLO
Item
820 Air Horn - High Tone 320 Hz Chrome Plated Black
Part Number
820
Category
Air-Powered Horns
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WOLO
Manufacturer Part Number
820
Type
High Tone
Freq
320 Hz
Color
Black
Finish
Chrome Plated
Includes
Brass Fittings
Compatible Vehicle Type
Trucks

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WOLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WOLO Air Horn (MPN 820) is a 12V DC, air-powered high-tone horn with a 320 Hz frequency and 130 dB max sound level, finished in chrome-plated black and including brass fittings.

Frequently Asked Questions

What is the WOLO Air Horn 820 used for?

The WOLO Air Horn 820 is a 12V DC, air-powered high-tone horn designed for trucks. It delivers a 130 dB max sound level at 320 Hz, making it suitable for industrial signaling and vehicle warning applications where a loud, penetrating alert is required.

What are the specifications of the WOLO Air Horn 820?

The WOLO Air Horn 820 is a high-tone, air-powered horn operating at 12V DC. It produces a 320 Hz frequency with a 130 dB max sound level. The horn features a chrome-plated black finish and includes brass fittings. It is compatible with trucks.

Where to buy the WOLO Air Horn 820 worldwide?

3G Electric supplies the WOLO Air Horn 820 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this WOLO air horn and thousands of other industrial components across 14 departments.

How to install the WOLO Air Horn 820 on a truck?

Install the WOLO Air Horn 820 by mounting it securely on the truck using the included brass fittings. Connect the 12V DC power supply to the horn's terminals and route the air line from an onboard air source. Ensure all connections are tight and test the horn for proper operation.

Used in

Common applications for WOLO
Passenger vehicles — WOLO 300-2T low-tone disc horn, 12V DC, 115 dB, with mounting bracket
Passenger vehicles — WOLO 400 high-tone horn system, 12V DC, 120 dB, includes two red horns and hose
Material handling equipment — WOLO 372LE-24/48 high-tone horn, 24–48V DC, 115 dBA, with mounting bracket
Material handling equipment — WOLO 370LC-72/80L2WV high-tone horn, 72–80V DC, 115 dB, with heavy-duty varistor
Emergency warning systems — WOLO 4001 electronic siren controller, Hi-Lo/Wail/Yelp tones, manual override switch
Vehicle-mounted and fixed warning systems — WOLO 4000-2 electronic siren controller, Yelp tone, adjustable metal swing bracket
Not sure this is the right part? Photo-identify it→

WOLO Products

3G Electric supplies WOLO air-powered horns. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from WOLO

View all WOLO parts →
WOLO 855 is a low-tone, air-powered trumpet horn designed for trucks. It features a painted black finish and includes a 10 ft 1/4 in nylon high-pressure hose. This horn is suitable for use in heavy-duty commercial and industrial vehicles requiring an audible warning signal
WOLO
WOLO 855 is a low-tone, air-powered trumpet horn designed for trucks. It features a painted black finish and includes a 10 ft 1/4 in nylon high-pressure hose. This horn is suitable for use in heavy-duty commercial and industrial vehicles requiring an audible warning signal

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first