HK Audio Premium PR:O 18 S
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HK Audio
Premium PR:O 18 S
Product Info
Article Number:
180343
Brand:
HK Audio
Model:
Premium PR:O 18 S
Category:
Passive Subwoofers
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.
