Subwoofers
JBL JRX218S: Full Specifications
Quick answer
The JBL Professional JRX218S Portable PA, Line Array, Stage Subwoofer, 1400W Power Handling, Passive, Non-Powered, 18-Inch lists at $680.00. Published figures: powered No, continuous power 350 W, woofer 18 in. It suits rack-amplified systems with an unused amplifier channel.
A passive 18 for a system that already has amplifier channels spare. The cheapest honest route to low end if the rack has room.
Every figure below is the manufacturer's own published specification, taken from the product listing and the data sheet. Where a figure is not published it is left out rather than estimated. Price is the listed price when this page was last compiled and it changes often.
JBL JRX218S specifications
The JBL JRX218S publishes powered No, continuous power 350 W, woofer 18 in, at a listed price of $680.00.
| Specification | Published figure |
|---|---|
| Powered | No |
| Continuous power | 350 W |
| Woofer | 18 in |
| Impedance | 8 ohms |
What this model suits in a church
Best for: Rack-amplified systems with an unused amplifier channel.
Category: subwoofers. Tier on this site: Beginner, which on ChurchSoundCalc means the lowest total cost to a system that works on Sunday, for a small church or a church plant.
The closest alternatives at a similar price
Same category, nearest price. An alternative with no stated reason is filler, so each of these is here because it trades something specific against the model above.
Yamaha DXS12 MKII Powered Subwoofer
$969.99 Specs and sizingYamaha processing with cardioid mode in a 12 inch cabinet light enough for one volunteer to move.
Best for: Portable setups that want low end without a two-person lift
Check price on Amazon
Electro-Voice ELX200-18SP 18" 1200W Powered Subwoofer
$1,099.00 Specs and sizingAn 18 inch powered subwoofer with cardioid presets and fly points, at roughly half the price of the flagship options.
Best for: The first subwoofer a growing contemporary church buys
Check price on Amazon
QSC KS112 Active 12" Subwoofer
$1,299.99 Specs and sizingA compact 12 inch subwoofer that fits under a platform or beside a riser, which is often the difference between a subwoofer existing and not.
Best for: Mid-size rooms with no floor space to spare
Check price on Amazon
JBL Professional PRX918XLF 18-Inch Powered Subwoofer, Portable PA, 2000 Watt, DSP, Parametric EQ, Bluetooth Low Energy (BLE), and APP Control
$1,499.00 Specs and sizingA deep-tuned 18 built for extended low frequency rather than maximum punch, with a full parametric EQ section for room correction.
Best for: Rooms with a difficult low-frequency response that needs correcting at the source
Check price on AmazonSide by side
| Model | Price | Powered | Woofer | Peak power | Onboard DSP |
|---|---|---|---|---|---|
 JBL Professional JRX218S Portable PA, Line Array, Stage Subwoofer, 1400W Power Handling, Passive, Non-Powered, 18-Inch | $680.00 | No | 18 in | - | - |
| Yamaha DXS12 MKII Powered Subwoofer | $969.99 | Yes | 12 in | 1,020 W | Yes |
| Electro-Voice ELX200-18SP 18" 1200W Powered Subwoofer | $1,099.00 | Yes | 18 in | 1,200 W | Yes |
| QSC KS112 Active 12" Subwoofer | $1,299.99 | Yes | 12 in | 2,000 W | Yes |
How we chose
We did not test these products in person and we never claim to. Picks are researched from manufacturer specification sheets and operator manuals, FCC rules where spectrum is involved, published standards, warranty terms, and the recurring themes in verified owner reviews. Every pick is matched to a real room size, seat count or input list rather than to a price bracket, and it is placed in the tier where its capability actually belongs. Where a product is wrong for most churches we say so on the page.
Sources
- JBL published specifications for the JRX218S
- Amazon product listing features and current pricing
Frequently asked questions
How much does the JBL JRX218S cost?
It was listed at $680.00 when this page was last compiled. Pro audio and video pricing moves frequently and promotional pricing is common, so treat that as a planning figure and confirm the current price before a committee votes on a budget.
Is the JBL JRX218S right for our church?
Rack-amplified systems with an unused amplifier channel. Beyond that, the honest test is whether its numbers match your room rather than whether it is a good product in the abstract. Work out what your room actually needs first, then check this model against that answer.
Where do these specifications come from?
The manufacturer’s published figures, taken from the product listing and data sheet. We do not test products in person and we never claim to, so nothing here is a measured result. Where a specification is not published by the manufacturer it is omitted rather than estimated.
Researched, not professional advice. This page is compiled from published manufacturer specifications, operator manuals, FCC rules, published standards and owner-review consensus, not hands-on testing. Sound system design, rigging loudspeakers overhead, and any electrical work are jobs for a qualified professional: have flown loudspeakers and their attachment points signed off by a structural engineer or a certified rigger, and have all wiring done by a licensed electrician to your local code. Wireless microphone rules change, so confirm the current FCC position before buying. As an Amazon Associate we earn from qualifying purchases.