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JBL PRX418S

PRX400 Series 18" subwoofer

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Our take on the JBL PRX418S

by Bob Bihlmayer
JBL Pro

Should I get a powered or non-powered sub?

For small-to-medium venue applications, a powered subwoofer will give you the low-end thrust your music deserves. These self-contained systems are designed to get the most output possible from their built-in amplifier and sub. So, when you're shopping, we suggest you pay more attention to the listed sound pressure level (SPL) ratings than the listed wattage ratings. For larger spaces and/or bass-heavy presentations, you'll need the power and projection you can only get from separate amplifier and sub. For a non-powered sub, you can safely use an amplifier whose continuous power output is rated up to double the rated program power capacity of the sub.

PRX 400 Series

JBL designed their PRX400 Series passive speakers with the high power handling and extended frequency response required by nightclubs, DJs, churches, concerts, and other applications. These speakers house JBL's road-tested components in rugged, road-worthy enclosures, so you can expect reliable performance night after night.

Bass in your face

The PRX418S subwoofer houses a JBL Selenium SWS1000 18" woofer in a compact, ported, hardwood enclosure, handling up to 800 watts continuous power (or 3200 watts peak). Properly amplified, this subwoofer will bring a whole new dimension to your performance, where the audience hears and feels the low notes.

Bang for your buck

JBL built the rugged enclosure from 0.7" birch/poplar laminate with an 16-gauge steel grille and JBL's DuraFlex finish. A 36mm pole mounting socket allows the JRX218S to serve as the base for a mid/high speaker cabinet, like JBL's PRX415. The JRX218S offers the performance and durability JBL is known for in a tough, compact package. It's a convenient way to go way down deep.

See more info on this item

Highlights:

  • compact PA subwoofer
  • JBL Selenium 457 18" woofer in vented enclosure
  • rugged birch/poplar laminate cabinet with steel grille
  • top-mounted 36mm pole receptacle for stacking cabinets
  • power rating: 800 watts continuous, 1600 program, 3200 peak
Electronic features:
  • frequency range: 52-120 Hz
  • max SPL: 124 dB
  • impedance: 8 ohms
  • recommended crossover frequency: 80 Hz
  • two parallel Speakon input connectors and two 1/4" phone jacks
General features:

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Features

18" Woofer: The JBL PRX418S passive subwoofer system features an 18" woofer in a vented enclosure that can handle up to 800W continuous and 3200W peak.

DuraFlex Enclosure: The JBL PRX418S's cabinet features a tough DuraFlex finish with a heavy-duty 16AWG protective steel grille to protect the speaker components.

Input/Output Connectors: The PRX418S sub is fitted with a Speakon NL4 connector and a 1/4" TS phone plug connectors. There is also a parallel identical Speakon NL4 and 1/4" connector that facilitates a loop-through connection so you can daisy-chain and power an additional subwoofer.

Pole-Mount Socket: A top mounted, cast aluminum 35mm pole mount receptacle can receive an optional SS3BK pole (sold separately) to facilitate use of the PRX418SS as a base for a mid-high speaker cabinet.

 
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Add accessories for the JBL PRX418S

RapcoHorizon H-Series Speaker cable 16-gauge cable with 1/4" connectors (50 feet)
Your Price: $34.99
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RapcoHorizon H Series Speaker Cable 14-gauge, 1/4" connectors (50 feet)
Your Price: $42.99
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RapcoHorizon H Series Speaker Cable 12-gauge, 1/4" connectors (100 feet)
Your Price: $159.99
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RapcoHorizon H Series Speaker Cable 14-gauge wire with NL4 connectors (50 feet)
Your Price: $54.99
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JBL SS3-BK Speaker Pole Mount 41" pole for subwoofers with 35mm pole socket
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JBL SS4-BK24 Speaker Pole Mount Designed for PRX Series speakers
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JBL SS3-BK24 Speaker Pole Mount 24" pole for subwoofers with 35mm pole socket
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JBL PRX415M PRX400 Series 15" 2-way stage monitor/PA speaker
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JBL PRX412M PRX400 Series 12" 2-way PA speaker/stage monitor
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JBL PRX418S PRX400 Series 18" subwoofer
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JBL JRX225 JRX200 Series dual 15" 2-way PA speaker
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JBL PRX425 Dual 15" 2-way PA speaker
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