Cinema Singe 18" 4 Ω Subwoofer - Fly able
Share
- Brand new in original box
- Full Cinema manufacturer's warranty
- Free shipping in the continental US
In stock
- SKU
- 3181F
. Description
JBL Cinema 3181F 18" 4 Ω Subwoofer – Flyable
The JBL Cinema 3181F is a purpose-built cinema subwoofer engineered for professional installations where compact footprint and flying capability are essential. Its shallow 14.97-inch enclosure depth allows integration into tight architectural spaces without sacrificing the low-frequency impact demanded by Dolby Atmos and DTS:X mixes. Built-in rigging points and top-mounted connectors streamline both installation and concealment in theatrical and high-end commercial environments.
Power & Frequency Response
Rated at 650 watts of amplified output, this subwoofer delivers authoritative bass extension across cinema-grade spectral demands. The 18-inch driver and 4 Ω impedance configuration provide the acoustic foundation required for immersive soundtrack reproduction and low-frequency effects in professional sound design.
Installation & Integration
Purpose-designed for both ground placement and flying applications, the 3181F features integrated rigging points that eliminate external hardware visibility and reduce installation footprint. Top-positioned connectors keep cables routed cleanly away from sight lines, critical for theatrical venues and commercial spaces where aesthetics matter as much as performance.
Key Features
- 18-inch driver
- 650-watt amplified output
- 4 Ω impedance
- 14.97-inch (355 mm) shallow enclosure depth
- Built-in rigging points for fly mounting
- Top-mounted connectors for clean cable routing
- Dolby Atmos compatible
- DTS:X compatible
- Professional cinema-grade construction
- Compact profile for architectural integration
The Cinema 3181F combines JBL's cinema-specific engineering with practical installation flexibility, making it a serious choice for venues requiring transparent low-frequency reproduction without visible hardware.
More Information
| Condition | New |
|---|
Reviews
At a Glance
The JBL Cinema 3181F is an 18-inch subwoofer purpose-built for professional live performance, theater, and installed sound systems where compact depth and flying capability matter. Its 650-watt amplified output and cinema-grade low-end deliver transparent, authoritative bass extension for Dolby Atmos and DTS:X mixes without the visual footprint of conventional subs. Choose it for venues and touring rigs where you need serious sub performance in tight spaces and clean rigging integration.
Who This Is For
Great for
- ✓ live performance
- ✓ cinema/theater sound
- ✓ installed sound systems
Not the best pick for
- – home recording
- – practice
Skill level: Professional
Frequently Asked Questions
What does the 4 Ω impedance rating mean, and how does it affect setup?
The 4 Ω impedance configuration is part of the subwoofer's design to deliver its rated 650-watt amplified output efficiently. It's built into the unit and requires no special configuration on your end—the internal amplifier handles the impedance load. This specification supports the cinema-grade power and headroom the sub is engineered to deliver.
Can this subwoofer actually be flown, or is that just a feature?
Yes, the 3181F is purpose-designed for flying applications and includes integrated rigging points that eliminate external hardware visibility. It's engineered for both ground placement and aerial mounting in theatrical and commercial venues, making it genuinely flexible for installed sound systems.
How shallow is the enclosure, and why does that matter?
The enclosure is 14.97 inches deep—significantly shallower than conventional subwoofers—allowing integration into tight architectural spaces without sacrificing low-frequency impact. This compact profile is critical for theater, cinema, and commercial installations where space behind walls or in confined areas is limited.
Is this subwoofer compatible with Dolby Atmos and DTS:X mixing?
Yes, the 3181F is Dolby Atmos and DTS:X compatible, engineered to handle the full spectral demands of immersive theatrical soundtrack reproduction and low-frequency effects in professional sound design.
What are the top-mounted connectors for, and do they affect cable routing?
The top-positioned connectors allow clean cable routing away from sight lines—a key feature for venues and installations where aesthetics matter as much as performance. This design choice streamlines both installation and concealment in professional environments.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $58 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
Similar Gear
Complete the Rig
Gear that pairs well with this.
✨ For You
Based on what you've been looking at.