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NOW IN WHITE!

the new!
Speedwoofer
12s
16 Hz-200 Hz ± 3db

*EVERY SPEEDWOOFER COMES STANDARD WITH ITS BLACK OR WHITE GRILLE COLOR*

Experience everything, sacrifice nothing
The 12S is born from passion, bred with great lineage, engineered to perform, and guaranteed to thrill. After several years in development, the Speedwoofer 12S represents the next tier and evolution of performance to complement the award-winning and undisputed market leader, the Speedwoofer 10S model.
Experience everything, sacrifice nothing
12S white in living room
The 12S is born from passion, bred with great lineage, engineered to perform, and guaranteed to thrill. After several years in development, the Speedwoofer 12S represents the next tier and evolution of performance to complement the award-winning and undisputed market leader, the Speedwoofer 10S model.
12S black in living room
Grab your convenient 12S remote control for instant adjustments on the fly. No need to disturb the movie or fumble through a phone app.
12S remote control
a subwoofer for any room size
award winning performance and value

Customer Reviews

Based on 62 reviews
98%
(61)
2%
(1)
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K
KOly
Great Value and Performance

Lifelong customer here after having a 12S, 10e, ia255.1 and tried the CG23M.

The 12s is incredible in how much punch it provides to movies. My mother has texted me on 3 occasions saying how amazing her bass is now lol.

All great products and value.

J
J.K.
Great Sub

I wanted to upgrade subs so I bought the 12s wow this thing can thump still dialing it in but so far absolutely no complaints. It’s played lows from movies no problem and music is absolutely good. This replaced my dual 12” system it plays everything they did and more!

R
Roy C.
Excellent product

Very powerful sub

J
Jose A.
Absolutely Superb

Outstanding quality, sound, and price. You can not get a better deal on an amazing subwoofer. I have installed and listened to countless subs and this one was very impressive in size stature and sound (plentiful deep bass with body and life).

T
Ted S.
So this is what I’ve been missing

Fast shipping, well packaged as shown in the unboxing vid.

Used the wireless receiver/transmitter - one less cable to hide! Had some weird humming at first but it stopped after some trial and error testing with old sub.

I knew what to expect as far as size because I stood there with a tape measure visualizing it. It’s still bigger than I expected. Not a problem though.

Wife said “please don’t shake the house apart, the windows are rattling up here!”

Lots of music tests from Fleetwood Mac to Post Malone to Metallica, all sounded better than ever.
John Wick 4, 9unfire goes right through your soul. The obligatory T-Rex footsteps from Jurrasic sound and feel just as you would expect. Holiday guests were in awe…quite fun to show off…mated in a 7.1 with Aurora 1000,s a 30, 22f’s and 11f’s.

I can’t believe I waited as long as I did for this upgrade. The value is also worth mentioning. This performance with wireless for under a grand is absolutely amazing. Well done RSL.

Meticulously crafted for excellence
500w
rms
1550w
peak
"...A LOW FREQUENCY MONSTER"
TECHNICALLY SPEAKING...
REFERENCE: Minimal EQ processing, “natural” response for ideal transient performance
MOVIE: Enhanced output between 25-35Hz to augment low frequency content at low levels
MUSIC: Shelved response for extension, but with good upper bass impact
BOUNDARY: “Neighbor friendly”…Reduced lower frequencies to limit rumble through walls
SPECIFICATIONS
  • Frequency Response:
    • Reference Mode (anechoic): 16 Hz-200 Hz ± 3db (SEE GRAPH FOR VARIOUS DSP RESPONSES)
  • Woofer:
    • 12” 500+ watt rated woofer
    • 4 ohm nominal Impedance
    • Proprietary RSL Die-cast aluminum frame with dual spider integration
    • Klippel optimized linear magnet motor and matched suspension
    • High-Excursion FEA optimized design motor structure
      • Integral VC Heat Sink/Inductance Control Sleeve
      • 1008 low-carbon steel motor parts (T-yoke and field plate)
      • Premium grade dual-stacked ceramic magnets
      • Ultra-high Temp (>200° C), Multi-layer Copper Voice Coil
    • Dual-mirrored, High yield fatigue-resistant Nomex™ spiders
    • Integrated Dual Spider spacer clamp ring
    • Kevlar™ reinforced paper cone with full anodized aluminum dust cap
    • High durability NBR surround
    • High duty cycle periodically stitched flexible tinsel lead wire with strain relief features
  • Enclosure:
    • Scratch and fingerprint resistant textured matte finish
    • Front multi-segment LED display/indicator (Volume, Mute, & DSP MODE)
      • Display sleeps after ~10 sec. of inactivity
    • Rear-vented Compression Guide™ tuning with turbulent free slot port
    • Internal structural reinforcement (Side to side, front to back, and top cross-bracing)
    • ¾” thick MDF panels with dado reinforced joints plus corner bracing
    • Laminated 1” front woofer baffle
    • Internally optimized damping
    • Removable cloth grille
  • XDR Series Amplifier:
    • IR Remote Control (Power Toggle, Volume +-, Mute, DSP Mode direct select (Reference, Music, Movies, Boundary)
    • External 3.5mm IR input for wiring external IR sensor (eye)
    • 500 watts RMS < 1% THD
    • 1550 watts peak
    • Patent Pending HSS™ Heat Sink/Shield Technology for greater thermal efficiency and capacity
    • DSP Modes – Reference, Music, Movies, Boundary (Rear LED indicator matches front display)
      • Reference – Minimal EQ processing, “natural” response for ideal transient performance
      • Music – Shelved response for extension, but with good upper bass impact
      • Movies – Enhanced output between 25-35Hz to augment low frequency content at low levels
      • Boundary – “Neighbor friendly”…Reduced lower frequencies to limit rumble through walls
    • Integrated double-precision 56-bit, 50 MIPS DSP processor
    • Intelligent class D topology, >85% Efficiency
    • Signal to noise ratio: >85dB
    • Auto-ON Threshold: 3mV
    • Auto-OFF: ~20 minutes (no signal)
    • Stand-by power consumption: ~1 watt
    • Power Input: Selectable 110/230VAC 50-60Hz switch
    • Low EMI design, CE & C-Tick compliant
    • Gold-plated RCA Line level inputs and RCA High-pass signal outputs (high-pass is adjustable and can be bypassed)
    • Speaker level inputs (Gold-plated, 5-way binding posts)
    • Chassis ground screw
    • USB Power port, easily connect external AR-4 2.4GHz wireless receiver
  • Low Pass Crossover Frequency: 30-250 Hz variable (with integrated bypass switch)
  • Low Pass Crossover Slope: 24 db/oct.
  • High Pass RCA Output Crossover Frequency: 30-250 Hz variable (with integrated bypass switch)
  • High Pass RCA Output Crossover Slope: 24 db/oct.
  • Phase Control: 0 to 180 continuously variable
  • Power Input: 115V, 60Hz, 230V, 50/60Hz AC
  • Feet: Includes 4 rubber feet
  • Dimensions with Feet: H: 22 1/4” W: 18 7/8” D: 22 1/8”
  • Weight: 82 lbs.
  • Shipping Dimensions: H: 29” W: 25” D: 29”
  • Shipped Weight: ~106 lbs.
  • Fuse: 115V (T6.3AL/250V) – 230V (T3.15AL/250V)