JBL Club 122SL 12" Shallow-Mount SSI Subwoofer
Key features
- Subwoofer size: 12.0 inches
- RMS power per subwoofer: 400 W
- Voice-coil options: Switchable 2Ω / 4Ω
- Frequency response (-6 dB): 30 Hz–500 Hz
- Sensitivity (1 W/1 m): 85 dB
- Mounting depth: 82.5 mm
JBL Club 122SL 12" Shallow-Mount SSI Subwoofer is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Add 12-inch bass where a standard-depth subwoofer will not fit with the JBL Club 122SL shallow-mount subwoofer. Its 83mm mounting depth, 400W RMS power handling and selectable 2- or 4-ohm impedance suit space-conscious car audio installations.
The rigid aluminum cone and high-roll rubber surround are designed for the shallow motor structure. Consider it for a behind-seat, under-floor or shallow trunk installation, after checking the available mounting space.
Key Features & Benefits
- Shallow profile: The 83mm mounting depth helps accommodate locations with limited subwoofer clearance.
- Selectable impedance: SSI™ lets you switch between 2 and 4 ohms to match your amplifier setup without rewiring.
- Rigid aluminum cone: Its stiffness-to-mass ratio supports accurate bass reproduction at shallow excursion depths.
- High-roll rubber surround: It allows available cone excursion within the shallow motor structure.
- Vented basket: Moving air helps dissipate heat around the 50mm voice coil during high-output operation.
- Clean mounting appearance: The inverted dust cap and hidden-fastener trim ring create a finished look without exposed hardware.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | JBL |
| Model | Club 122SL |
| Size | 12" (300mm) |
| Power Handling (RMS) | 400W |
| Power Handling (Peak) | 1,200W |
| Sensitivity (1W/1m) | 85dB |
| Frequency Response | 30Hz – 500Hz |
| Impedance | 2 or 4 ohms (SSI™ Selectable) |
| Voice Coil Diameter | 50mm |
| Cone Material | Rigid Aluminum |
| Surround Material | High-Roll Rubber |
| Basket | Vented |
| Cutout Diameter | 27.9 cm |
| Mounting Depth | 83mm (3.27") |
| Weight | 5.5 kg |
Why Choose This Product?
The Club 122SL combines a 12-inch driver and 400W RMS power handling with a low-profile design for installations where depth is limited. Its aluminum cone distinguishes it from the standard Club 122, which uses a polypropylene cone and double-stacked magnet. Both models share SSI™ selectable impedance and 400W RMS power handling; the standard Club 122 has a standard mounting depth.
Compared with the 10-inch Club 102SL, this model offers more cone area and a frequency response reaching 30Hz rather than 35Hz. The 102SL is rated at 350W RMS and has an 82.5mm mounting depth, making it the shallower option when space is especially tight.
Installation & Compatibility Notes
Plan for a 27.9 cm cutout diameter and 83mm of mounting depth. The listed use locations include behind seats, under floors and in shallow trunks; confirm your available space and enclosure dimensions before installation.
Pair the subwoofer with a mono amplifier rated 300–400W RMS at the selected impedance. The JBL Club A600 is listed as a match, with ratings of 350W RMS at 4 ohms and 600W RMS at 2 ohms; keep the gain conservative at 2 ohms to stay within the subwoofer’s 400W RMS rating.
A sealed shallow-mount enclosure is a practical option for behind-seat and shallow trunk installations. A purpose-built shallow ported enclosure can extend low-frequency output further if space allows. The source recommends an 80Hz low-pass crossover, a 28Hz subsonic filter and 8 AWG or heavier speaker wire from amplifier to subwoofer.
Frequently Asked Questions
What does SSI™ selectable impedance let me do?
It lets you switch the subwoofer between 2 and 4 ohms to match your amplifier’s chosen output impedance without rewiring.
What amplifier rating should I choose?
Use a mono amplifier rated 300–400W RMS at your chosen impedance. The JBL Club A600 is listed at 350W RMS at 4 ohms and 600W RMS at 2 ohms; use conservative gain at 2 ohms.
What enclosure is recommended?
A sealed shallow-mount enclosure is a practical choice for behind-seat and shallow trunk installs. A purpose-built shallow ported enclosure can extend low-frequency output if space allows.
How does it compare with the Club 102SL?
The Club 102SL is a 10-inch, 350W RMS subwoofer with an 82.5mm mounting depth and a 35Hz low-frequency response. The Club 122SL is 12 inches, handles 400W RMS and reaches 30Hz, with an 83mm mounting depth.
How does it differ from the standard Club 122?
The Club 122SL has a rigid aluminum cone and an 83mm shallow-mount structure. The standard Club 122 uses a polypropylene cone, a double-stacked magnet and standard mounting depth. Both share SSI™ selectable impedance and 400W RMS power handling.
Explore More
Shop the JBL Club 122SL at 12 Volt Outlet, and explore the JBL brand profile.
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Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.






