BASSBOSS SSP118-MKII Single 18″ Powered Subwoofer

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Sale price$3,495.00 Regular price$5,060.76

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Deep Bass Fills the Room

For Mobile Professionals who provide superior sound quality. The SSP118-MKII delivers premium sonic experiences unavailable with another manufacturer’s single 18″. One cabinet will replace 3-4 competing cabinets, for more sound out of less space and cost.

Nightclub Mobilized

Bad-boy for mobile DJs and small venues, a single 18″ cabinet that delivers like a double 18″. With low frequency output down to 30 Hz and sustained output up to 130 dB, you can easily bring serious bass for mid-size rooms with a single cabinet.

Mobile Power

For Mobile Professionals who provide superior sound quality, the SSP118-MKII allows you to deliver premium service with less equipment and labor. With two SSP118-MKII Subwoofers, you will have the output of one of the world’s finest double-18” subwoofers, the BASSBOSS SSP218, divided into two smaller, more manageable pieces.

Optimized for Deep

Optimized for remarkably deep bass response from a cabinet of mobile size, SSP118-MKII Subwoofers are each loaded with a single 18” long-excursion, neodymium motor, low frequency driver. Each driver has a 4” voice coil and is rated for 1500W nominal power handling, 3000W program power handling.


It is practically impossible to blow drivers on the SSP118-MKII, as with all BASSBOSS Subwoofers, due to the combination of extremely rugged, very high-power handling, long excursion drivers, carefully optimized cabinet and port design and several effective but transparent protection systems.

The protection systems prevent thermal overload of the voice coils and minimize long-term thermal compression while having virtually no effect on the transient response and peak output of the loudspeakers.

Didn’t Event Break A Sweat

The gig over the weekend was great and the sub was even better. I used JBL tops with it and at max volume the sub didn’t event break a sweat, and the JBLs were blinking like it was X-Mas. In most cases, subs can’t keep up with the tops, but in this case, I would need to have 2 JBL tops to keep up with one SSP118, and just maybe they may have a fighting chance. The BASSBOSS SSP118 sub is a little more expensive but, in my 20 plus years in audio, I’ve never heard anything like what they make. They are easily twice as loud as any single sub on the market with a lower USABLE response as well. I compared this with every other competitor on the market- no one moves as much air. No one.

Extremely tight and articulate response!

Hands down nothing touches these for their size. Without a doubt these are twice the punch and loudness of any front firing 18″s I’ve used. Extremely tight and articulate response!

Extremely Flat

Extremely flat, delivering response that is ±3.0dB from 30Hz to 100Hz. No equalization is required to achieve this response. Unlike designs that require equalization, the SSP118’s tone, response and sensitivity are native to the design. Systems that require processing to achieve their stated response are still subject to the physical excursion and thermal limits of their drivers.

Boosting low frequency EQ to achieve extended low-frequency response results in excessive distortion or woofer damage at full power unless limiting is applied. The limiting necessary to prevent failure also prevents the realization of their claimed frequency response at full power. The SSP118-MKII does not suffer from these limitations. It faithfully delivers the low bass where most others either roll off or die trying.


Finished in extremely durable black textured weatherproof polyurethane coating. A top mounted pole socket in each SSP118-MKII provides for mid-high loudspeakers to be mounted on a straight speaker pole above the subwoofer. The enclosures also feature four large rubber feet and corresponding recesses in their tops to facilitate interlocking the boxes when stacked. The woofers’ cones are made from a waterproof fiber matrix which can withstand exposure to spills and rain and can be wiped clean with a damp cloth.

Product Specifications:

Loudspeaker Description: High-output Single 18-inch Subwoofer

Frequency Response (±3 dB): 30-100 Hz

Maximum Sustained Output: 130 dB SPL, 1-meter, half-space (ground plane)

Max SPL (Peak): 136 dB

Nominal Dispersion (H° x V°): 360 x 360 Cardioid Mode Available with Multiple Boxes

Amplification: 2400-Watt Continuous RMS Class D Subwoofer Amplifier

Processing: Integrated comprehensive DSP provides high pass, low pass, phase alignment and limiting

Enclosure Type: Direct radiating, vented enclosure, optimally tuned for low frequency response with high sensitivity and high-power handling

Transducer: 1 x 18 in. diameter (457 mm) neodymium motor woofer with 4 in. (100 mm) copper winding voice coil and 56 mm (2.2″) peak to peak excursion. Waterproof fiber composite cone

Cabinet Construction: 18 mm Baltic Birch plywood, extensive integrated bracing. Equipped with 4 integrated handles, 1 pole socket, 4 large rubber feet, and 4 interlocking foot pockets

Dimensions (HxWxD): 22.5 in. x 30 in. x 24 in.

Net Weight: 125 lbs

Shipping Weight: 140 lbs

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