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DS18 PRO-HT1 PRO 4.5" Twist on Slim Horn
for Drivers with 1" Throat
DS18’s PRO-HT1 is the best way to boost the range, volume, and feel of the sound reproduced by your compression drivers!
The PRO-HT1’s high strength ABS plastic casing ensures this horn can withstand the most demanding applications.
The PRO-HT1 features a short throat with a 1" diameter, allowing for crazy loud sound from your drivers. The circular profile and 110-degree coverage make this horn perfect for those looking to create a directional sound that will blow the competition away.
The twist-on installation method and standard driver thread pitch ensures that this horn is easy to install and can be securely attached to your driver in no time.
(PRO-DR250 and PRO-DRNSC Recommended)
So if you're looking to boost your drivers directional sound for unmatched performance, look no further than the DS18 PRO-HT1!
Highlights
- Twist On Design for Easy Driver Installation
- 1.77” Mounting Depth / 3.25” Mounting Cutout Diameter / 4.5” Diameter
- ABS/PC Injected Plastic For Increased Durability
Great For
- Car Audio
- Pro Audio





Technical Details
| SPECIFICATIONS | |
| Nominal Diameter | 4.5" / 115mm |
| Throat Diameter | 1" / 25.4mm |
| Installation Type | Twist |
| Sound Coverage | 45° Rounded |
| Low Frequency Limit | 1.3KHz |
| Body Material | ABS/PC Injected |
| Color | Black |
| Sold in Pair or Single | Single |
| MEASUREMENT | |
| Overall Diameter | 4.5" / 115mm |
| Overall Depth | 2" / 51mm |
| Mounting Depth | 1.77" / 45mm |
| Mounting Hole Diameter | 3.25" / 82.4mm |
| Bolt Pattern (Horn) | 4" / 104mm x 4 - 0.18" / 4.5mm |
| Bolt Pattern (Driver) | M1-3/8" |
Shipping
Free US shipping on orders over $200. Orders under $200 ship at the rate shown at checkout. Oversized items ship by freight; we confirm the quote with you first.
Shipping policyReturns
Return within 30 days of delivery. Opened items may carry an open-box fee of up to 30%, set by our QA team on inspection. Return shipping is paid by the customer.
Start a returnDamaged or wrong item?
Tell us within 3 days of delivery with photos and we'll make it right, with no fee.
Contact usDS18 warranty
This product is covered by the manufacturer's warranty. We help you with the claim from start to finish.
Warranty detailsSupport from real people
Setup questions, compatibility, firmware: chat with a specialist or email info@silarius.com, Monday to Friday, 8am to 4pm ET.
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