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Model 501: The "Warlock" Chrome-Plated Steel Triple Train Horns - Chrome 307 Solenoid
KL 501
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$260.95
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$260.95
Regular price
$289.95
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This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Model 501: The "Warlock" Tri-Mount Chrome-Plated Steel Triple Train Horns - 307 Solenoid - 1/4" Airline
The High-Resonance Steel Upgrade
If you’re looking for a train horn that sounds as good as it looks, the Model 501 "Warlock" is the definitive choice. While entry-level horns rely on composite materials, the Warlock steps up to premium chrome-plated steel trumpets. This upgrade in material isn't just for show—it provides a significantly higher level of resonance and a "magical" deep harmonic chord that carries much further down the road, ensuring your presence is felt long before you're seen.
Show-Quality Brilliance & Durability
Warlock 501 features three precision-tuned steel trumpets (16", 14", and 11") finished in a mirror-like chrome plating that is built to withstand the elements. Whether mounted on a rooftop or tucked under the chassis, these horns maintain their show-quality luster while delivering a professional-grade locomotive blast. Driven by our reliable Model 307 Vortex™ 4 Solenoid and a high-pressure 1/4" airline, the Warlock provides a crisp, instantaneous response every time you hit the switch.
Versatile "Tri-Mount" Engineering
Installation is made simple with the heavy-duty aluminum triangular mounting bracket. This design offers a unique reversible trumpet feature. You can face the trumpets in different directions to create a realistic, multi-directional sound field that mimics a massive freight train in motion. It is the perfect mid-range powerhouse for trucks and SUVs that demand a high-impact sound profile and rugged steel construction.
WHY CHOOSE THE WARLOCK 501 HORNS?
- Chrome-Plated Steel Trumpets: A major upgrade from ABS, offering superior resonance and a deeper, richer tonal quality.
- True Locomotive Tone: The three-trumpet layout is engineered to create a "magical" deep tone that cuts through sirens, construction and heavy road noise.
- Vortex™ 4 Solenoid Performance: Includes our high-flow 307 chrome solenoid and 1/4" airline that delivers that rich, resonant blast that composite horns can't deliver.
- Multi-Directional Sound: Reversible trumpets allow you to customize your soundscape, directing the blast exactly where you want it.
- Rugged All-Weather Build: Designed to handle vibration, moisture, and road debris without losing its mirror finish.
THE VERDICT: The 501 Warlock is the definitive jump into the world of premium Kleinn train horns. It's a cost-effective, high-output solution that proves you don't need to break the bank to command the road with a legendary locomotive roar.
WHAT'S IN THE BOX?
- (501) Warlock Triple Trumpet Assembly: High-impact chrome-plated steel trumpets in 16", 14", and 11" lengths.
- Triangular Mounting Base: Heavy-duty aluminum right-angle bracket for secure, multi-surface mounting.
- Hardware Kit: All necessary bolts and fasteners for the horn and bracket assembly.
- (Model 307) Solenoid: (1) Vortex™ 4 12V Solenoid. Dedicated electronic air horn solenoid valve.
- (Model 25014-1) Airline: 12 ft ¼” Outer Diameter Airline
THE KLEINN 500 SERIES HIERARCHY:
Model 500 "Sentinel": The Foundation of Authority
Model 500 "Sentinel": The essential Entry-Level Powerhouse for the 500 Series. Designed to be the "watchman" of the road, it provides the authentic locomotive sound Kleinn is famous for without the premium price tag. Engineered with high-impact chrome ABS trumpets, the Sentinel offers incredible durability and a mirror-like finish that stands up to the elements. Driven by our reliable chrome 307 solenoid and a high-pressure 1/4" airline, this system delivers a sharp, aggressive blast that instantly replaces your weak factory horn with a reliable and authoritative presence. It is the perfect starting point for drivers who want a professional-grade train horn that is both lightweight and incredibly loud.
Model 501 "Warlock": The Bridge of the 500 Series
Model 501 "Warlock": The Mid-Tier. A step up in resonance and tone, this system takes performance to the next level by moving from composite materials to premium chrome steel trumpets. The result is a significant increase in resonance and tonal depth, producing a "magical" deep harmonic chord that carries much further than standard horns. Powered by our reliable chrome 307 solenoid and a high-pressure 1/4" airline, the Warlock offers the perfect balance of show-quality aesthetics and a penetrating locomotive blast. It is the ideal choice for drivers who want a richer, more melodic train sound and the rugged durability of chrome-plated steel.
Model 502 "Kraken": The Apex of the 500 Series
Model 502 "Kraken": The Top-Tier. Engineered for those who demand nothing less than total dominance. By upgrading to the Vortex 6 VX6003 heavy-duty brass solenoid and a massive ½” high-flow airline, the Kraken moves a staggering volume of air instantaneously through the chrome finished steel, wide bell train horns. As the king of the family, it delivers maximum air volume and the highest output possible, producing a bone-rattling locomotive blast that is significantly louder and deeper than the entry-level models. If you want the ultimate "get out of the way" authority, the Kraken is your weapon of choice.
⚠️ System Requirements & Compatibility
The 500 Series Train Horns require compressed air and require a minimum 2.5-Gallon air tank for sufficient blast time. The optimal cut-off pressure is between 140 PSI to 160 PSI.
Kleinn Air Systems designed specifically to run the 500 Series horns:
- Model 6350: 150 PSI | 100% Duty Cycle | Heavy-Duty Onboard Air System
- Model 6450: 200 PSI | 100% Duty Cycle | Ultra Heavy-Duty Onboard Air System
Air Horns vs. Train Horns
Find Your Signature Blast
The Screamer
Compact Air Horn Series
Engineered for "Emergency Vehicle" authority. This series delivers a sharp, high-frequency blast designed to cut through ambient noise instantly. With 3.5" bells, these horns produce a piercing scream that commands attention in heavy traffic.
Classic Chrome
- Compact Horns: 102 / 130 / 141
- Kits: HK2 / HK3 / HK4
Stealth Black
- Compact Horns: 101 / 102-1 / 130-1 / 141-1
- Kits: HK1 / HK2-1 / HK3-1 / HK4-1 / HKUTV / Vehicle Specific Kits 102, 102-1
The Deep Rumble
Train Horn Series
Don’t just make noise—make an impact. Engineered with massive 6-7" bells, our Train Horns move huge volumes of air to create a deep, earth-shaking rumble. This is the authentic tone of a 40,000-lb locomotive.
Classic Chrome
- Train Horns: 500 / 501 / 502 / 630
- Kits: HK6 / HK8
Stealth Black
- Train Horns: 220 / 230 / 730
- HK5 / HK7 / HK9 / HK9-Slimline / All Vehicle Specific Train Horn Kits
Professional-grade engineering. Legendary Kleinn Performance.
Too Loud? Too Bad!
Train Horn Specifications
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Tri-Mount Steel Train Horns |
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Part Number |
Model 501 "Warlock" |
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Number of Horns |
3 Horns (Individual Mount) |
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Warranty |
1-Year Warranty |
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Construction |
Chrome Steel Trumpets |
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12v Solenoid (Chrome) |
P/N- 307 |
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Min / Max Pressure |
140 - 160 PSI |
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Output (dB) @ 150 PSI |
152.2 dB |
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Dimensions Overall |
15.5” L x 11.5” W x 11.5” H |
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Dimensions (Each Horn) |
16” Lg. - 14" Med. - 11" Sm. |
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Minimum Tank Size Required |
2.5-Gallon |
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Airline Length & Size Included |
12’ of ¼” OD Airline |
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Installation Instruction Links:

Model 501: The "Warlock" Chrome-Plated Steel Triple Train Horns - Chrome 307 Solenoid
$260.95
Does it come with a warranty?
One-Year Limited Defect Warranty for Kleinn Automotive Accessories:
Kleinn Automotive Accessories is committed to delivering high-quality products to our customers. We stand behind the craftsmanship and materials of our products by offering a comprehensive one-year limited warranty. This warranty is extended to the original purchaser, ensuring that when our products are installed properly and used under standard conditions, they will be free from defects in workmanship and materials for a period of one year from the original date of purchase.
This warranty encompasses a promise that the product you have purchased will perform as expected under normal use conditions and will not suffer from flaws in materials or craftsmanship. However, it is important to note that this warranty does not cover any damage that results from abusive use, operation that is not in line with the product’s intended purpose, or harm resulting from exposure to harsh environmental conditions. In the event that a product is found to be defective within the warranty period following a thorough inspection, Kleinn Automotive Accessories reserves the right to either repair or replace the defective item at no additional charge to the purchaser. It is our goal to ensure that our products meet the high standards that our customers expect, but we also want to clarify that Kleinn is not responsible for covering any costs related to the installation of our products, nor are we liable for any loss or damage that may occur as a result of the repair or replacement process of any product under warranty.
Extended Two-Year Warranty for Select Products:
Understanding the specific needs of our customers and the demands placed on certain products, Kleinn Automotive Accessories is pleased to offer an exclusive extended two-year warranty for our 6450/6650 Compressors and 730 Horns. This special warranty extension reflects our confidence in these products’ durability and performance. Eligible products under this extended warranty will enjoy all the benefits of our standard one-year warranty with an additional year of protection, totaling two years from the date of purchase. This extended warranty coverage ensures that these specific models, recognized for their robustness and reliability, receive the extra assurance customers desire for these critical components.
Detailed Warranty Return Procedure:
Should you need to initiate a return under the warranty, we have a straightforward process designed to make it as convenient as possible for our valued customers. To start, you will need to email a copy of your sales receipt, which must be dated within the past year for standard warranty claims or within the past two years for claims under the extended warranty for the 6450 Compressors and 730 Horns. This email should be directed to our Warranty Manager and include your full name, email address, telephone number, and a concise description of the problem you are experiencing.
Upon receipt of your email, a dedicated representative from Kleinn Automotive Accessories will reach out to you directly. Our first step will always be to attempt to resolve the issue through technical support, aiming to provide a quick and effective solution. If the problem cannot be addressed remotely, our representative will issue a Return Authorization number. This number is crucial as it will identify your return throughout the inspection process. You are then required to send the product back to Kleinn Automotive Accessories for a comprehensive physical inspection.
Upon inspection, if the product is determined to be defective due to issues in workmanship or materials, Kleinn will undertake to either repair or replace the product at our discretion. We are committed to ensuring that our customers receive products that meet our high-quality standards, and we will make every effort to resolve warranty claims to your satisfaction. However, if the inspection reveals that the product does not have a material defect, we will return the unit to the customer. In such cases, the shipping costs for the return will be the responsibility of the customer.
Kleinn Automotive Accessories
4045 N. Highway Drive, Tucson, AZ 85705
Tel (520) 579-1531
What's the returns policy?
How To Return An Item
Your item must be in its original unused condition to be returned, unless there is a manufacturer defect. You must return the item within 30 days of your purchase.
1. Please email support@kleinn.com to request a refund and we will assign you a Return Authorization #.
2. Mail your returned item to:
Kleinn Automotive Accessories
Returns Department
4045 N Highway Drive
Tucson, AZ 85705
3. Include in your package a signed letter stating the reason for your return and the original receipt.
Return Non-Exceptions
Merchandise that has been worn, used, or altered will not be accepted for return or exchange.
Restocking Fee
All returns are subject to a 15% restocking fee, which will be deducted from your refund. If shipping and handling fees were applied to your order, they are non-refundable.
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