PASSIVE · SUBWOOFERS
PRX 418S
18" Subwoofer
PRX418S is an eighteen inch subwoofer which, when combined with the two-way models, provides a sub/sat system capable of generating 135 dB of full-range, high quality audio.
- Continuous (RMS)
- 800 W
- CONTINUOUS (RMS)
- Peak power
- 3,200 W
- PEAK POWER
- Max SPL
- 130 dB
- MAX SPL
- Frequency range
- 35 Hz – 250 Hz
- FREQUENCY RANGE
Supplied and supported in Pakistan by KYAF, the official HARMAN Professional distributor.
AT A GLANCE
Specifications
- 800 W
- Continuous (RMS)
- 3,200 W
- Peak power
- 130 dB
- Max SPL
- 35 Hz – 250 Hz
- Frequency range
- 8 ohms
- Impedance
- 36 kg
- Weight
- 678 mm x 536 mm x 615 mm
- Dimensions
- Two Neutrik® Speakon® NL-2
- Inputs
| Frequency Range | 35 Hz – 250 Hz |
|---|---|
| Frequency Response | 52 Hz – 120 Hz |
| System Sensitivity | 95 dB SPL (1w@1m) |
| Power Rating, Pink Noise | 800 W / 1600 W / 3200 W(Continuous/Program/Peak) |
| Maximum SPL (1m) | 130 dB SPL peak |
| Nominal Impedance | 8 ohms |
| Dimensions (H x W x D) | 678 mm x 536 mm x 615 mm (26.7" x 21.1" x 24.2") |
| Net Weight | 36 kg |
| Inputs | Two Neutrik® Speakon® NL-2 / ¼" TS phone combo jacks |
| Enclosure | Duraflex coated plywood |
| PRX 418S | VPX728S | |
|---|---|---|
| Maximum SPL (1m) | 130 dB SPL peak | 133 dB continuous (139 dB peak) |
| Nominal impedance | 8 ohms | 4 Ohms |
| Enclosure | Duraflex coated plywood | Rectangular, 18 mm, plywood |
| Inputs | Two Neutrik® Speakon® NL-2 / ¼" TS phone combo jacks | 2 × Neutrik® Speakon® NL-4 |
| Net weight | 36 kg | 54.16 kg |
FOR DESIGNERS AND INSTALLERS
Downloads
- PDFPRX418S Spec SheetPDF · 1.04 MB · updated: Apr 2019
- PDFPRX400 BrochurePDF · 991 KB · updated: Jan 2021
- PDFPortable Sound Full Line 2015 CatalogPDF · 2.54 MB · updated: Oct 2020
- PDFJBL 2025 PPA BrochurePDF · 8.45 MB · version B, updated: Aug 2025
- PDFPRX400 Series Declaration of ConformityPDF · 144 KB · updated: Oct 2020
- JPGPRX418S Front AngleJPG · 3.89 MB · updated: Apr 2019
- JPGPRX418S Fr Angle No GrillJPG · 3.81 MB · updated: Apr 2019
- ZIPPRX400 Series TuningsZIP · 41.2 KB · updated: Oct 2020
JBL's own files, opened here on the KYAF site.

PRX 418S
18" Subwoofer
DESIGN
Every part of the PRX 418S, labelled.

FEATURES
What the PRX 418S brings.

PRX418S is an eighteen inch subwoofer which, when combined with the two-way models, provides a sub/sat system capable of generating 135 dB of full-range, high quality audio.
WHERE IT WORKS
Applications
PLANNING A PRX 418S SYSTEM?
Tell us the room. We'll size the system.
Send the space, the audience and the budget. A KYAF engineer will work out what you need and quote it delivered in Pakistan.
JBL PROFESSIONAL
PRX 418S









