JBL Synthesis SSW-2
Best high-performance subwoofer for dedicated home cinema enthusiasts.
The JBL Synthesis SSW-2 is an ultra-high-performance passive subwoofer designed to perfectly complement JBL Synthesis Custom Loudspeakers. It features dual 12-inch woofers with massive 4-inch voice coils, capable of handling up to 1200W RMS for powerful and dynamic bass. The cabinet utilizes dual front-firing tuned ports with JBL's patented Slipstream™ contouring for exceptionally low-noise performance. Constructed from robust 1-inch MDF with extensive internal bracing, this subwoofer offers tremendous placement flexibility, allowing for vertical or horizontal orientation in various applications like built-in, behind-screen, or in-room setups. It delivers accurate and impactful bass ideal for medium to large-sized rooms.
$4234.95
Owner Satisfaction
4.7
/ 5
Category Rank
578
/ 8447
#578 in Speakers
Price vs Category Average
+189%
Above average
Speaker Type
12300
/ Dual ” (mm) Passive Subwoofer
Who it's for
- Audiophiles seeking reference-level home cinema bass performance
- Homeowners prioritizing clean, minimalist interior design aesthetics
- Serious enthusiasts investing in long-term, high-fidelity audio reliability
Who should skip it
- Budget-conscious shoppers looking for entry-level audio components
- Users wanting a simple, all-in-one plug-and-play subwoofer
- DIY hobbyists avoiding the expense of professional installation services
Performance breakdown
Bass Impact
Dual 12-inch drivers deliver visceral, room-shaking low-end authority.
Transient Response
Massive voice coils ensure tight, precise control during complex musical passages.
Enclosure Rigidity
Heavy-duty MDF construction eliminates unwanted resonance at high output levels.
Port Efficiency
Slipstream technology keeps airflow silent even during extreme excursion demands.
Installation Versatility
Flexible orientation options allow for seamless integration into custom theater spaces.
Power Handling
Handles 1200W RMS with ease for high-output cinematic performance.
Key Specs
Speaker Type
Dual 12” (300mm) Passive Subwoofer
Frequency Response
20Hz - 400Hz (-6dB)
Maximum Recommended Amplifier Power
1200 Watts RMS per channel
Impedance
8 Ohms nominal
Sensitivity
93dB (1 Watt at 1 meter) @60Hz
Dimensions (H x W x D)
33” x 19” x 15.3” (838.2 x 482.6 x 389.16mm)
Weight
141 lbs (64kg) per speaker
Driver Size
Dual 12" (300mm) black-anodized aluminum cone woofers
Features
- Dual 12" woofers with 4" voice coils for high power handling
- Patented Slipstream™ port contouring for low-noise bass
- Robust MDF enclosure with extensive internal bracing
- Flexible placement with vertical or horizontal orientation
- Designed for seamless integration with JBL Synthesis SCL series speakers
- Suitable for medium to large-sized rooms
- Delivers powerful, dynamic, and accurate bass response
What customers say
Customers consistently commend the JBL Synthesis SSW-2 for its truly exceptional sound quality, delivering deep, impactful bass that profoundly transforms home theater experiences. Its discreet in wall design is equally celebrated, allowing for seamless integration into sophisticated living spaces without compromising aesthetics. Users frequently highlight its powerful yet refined performance, making it a premier choice for discerning audio enthusiasts. The overwhelming sentiment points to a product that genuinely elevates the listening experience, offering remarkable performance for its premium segment.
Know before you buy
The SSW-2 is designed for flexible placement and can be oriented either vertically or horizontally to suit your specific room layout, whether you are installing it behind a screen or in a custom built-in cabinet.
Yes, the SSW-2 is a passive subwoofer, meaning it does not have a built-in amplifier. You will need to pair it with a separate, high-quality power amplifier capable of handling its 1200W RMS power requirement.
JBL’s patented Slipstream port contouring is designed to minimize turbulence and port noise. This ensures that even at high output levels, the bass remains clean, accurate, and free from the audible 'chuffing' often found in ported designs.
While the SSW-2 is powerful enough for large spaces, its dual 12-inch driver configuration is optimized for medium to large-sized rooms. If your room is on the smaller side, you may find the output excessive unless you have significant acoustic treatment.
The SSW-2 is specifically voiced to complement the JBL Synthesis SCL series. Using them together ensures a cohesive, timbre-matched sound signature across your entire home theater system.
The cabinet is built from 1-inch thick MDF and features extensive internal v-bracing. This heavy-duty construction is essential for minimizing cabinet resonance, allowing the drivers to produce tight, impactful bass without unwanted vibrations.
Still have a question?
Ask Hayley anything about this product before you decide.