DS18 PRO-HT1 1" Throat Twist on Slim Horn

  • $8.95
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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!


  • 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


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
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"

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