HK Audio Premium PR:O 18 S

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HK Audio Premium PR:O 18 S

HK Audio

Premium PR:O 18 S

5 Expert Rating

Product Info

Article Number: 180343
Brand: HK Audio
Model: Premium PR:O 18 S
Price: $878.90

* Prices may vary. Check retailer for current pricing and availability.

The PR:O 18 S is a serious subwoofer for bands needing substantial low-end reinforcement. It’s built like a tank and delivers a powerful, focused bass response that’s ideal for rock, pop, and electronic music where sub-bass is key—just be mindful of your amp’s power rating.

Product Description

  • HK Audio Premium PR: O 18 S
  • Passive 18" Subwoofer
  • Bass reflex system
  • Load capacity: 500 Watt RMS
  • Frequency response: 48 Hz - 150 Hz
  • Impedance: 4 Ohm
  • Sound pressure: 104 dB SPL (129 dB max.)
  • M20 thread for spacer rod
  • 2 Handles
  • Connections: Speaker Twist in/out
  • TP/HP filter: 150 Hz
  • Black structured lacquer
  • Dimensions: 53 x 61 x 64 cm
  • Weight: 39 kg
  • Suitable protective cover: Article no. #207765# or article no. #490203# (not included)
PROS
  • • Robust bass reflex design delivers impactful, clean low-end extension
  • • Solid build quality with durable black structured lacquer finish
  • • M20 thread allows for versatile stacking and rigging options
  • • 4 Ohm impedance suits a wide range of amplifiers commonly used in live sound
CONS
  • • The 4 Ohm impedance demands careful amplifier selection to avoid clipping
  • • Significant weight makes transportation and setup a two-person job
  • • Frequency response leans heavily towards sub-bass, limiting upper bass detail

Product Video

Key Features

Power Handling 500 Watt RMS
Woofer Size 18 in
Impedance 4 Ohm
Frequency Range 48 Hz - 150 Hz
Sensitivity 104 dB SPL
Weight 39 kg

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Frequently Asked Questions

It offers a strong balance of performance and durability, though some competitors may boast slightly higher SPL. The HK Audio’s build quality is a standout feature.
While capable, its substantial size and power output are better suited for medium to larger spaces; it's not ideal for intimate settings.
Given the 4 Ohm impedance, a stable amplifier delivering at least 500 watts RMS is recommended to avoid stressing the amp and maintain clean output.

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