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12S CG23M 2.1 STEREO SYSTEM

Greater Scale. Effortless Power. Full-Range Authority.

The 12S CG23M 2.1 System brings together expansive sound, dynamic impact, and commanding low-frequency performance. It pairs the larger, more capable CG23M speakers with the effortless power of the Speedwoofer 12S.

At the core of the system, the CG23M speakers deliver exceptional clarity, detailed midrange, and a larger, more dimensional soundstage, filling the room with ease and precision . Their dual-woofer design provides greater output, improved dynamics, and a stronger sense of scale, while maintaining a natural, balanced presentation.

With the addition of the Speedwoofer 12S, the system reaches its full potential.

Its unapologetically large enclosure allows the driver to operate exactly as intended; delivering deeper extension, higher output, and powerful bass without strain. The result is bass that feels effortless, controlled, and authoritative, adding weight and realism without overwhelming the system.

Rather than forcing performance through extreme power or excursion, the 12S is engineered as a complete system; allowing physics to work in its favor for greater depth, precision, and dynamic impact.

The result is a system that feels larger, more immersive, and more effortless, delivering performance that rivals much bigger and more expensive setups while remaining clean, balanced, and refined. Perfect for living rooms, listening spaces, and setups where you want room-filling sound with deep, effortless bass and greater dynamic impact.

Terms & Conditions:

  • Free shipping within the 48 states!
  • Highly discounted international shipping available
  • 30-day in-home trial period
  • Cancellations must be requested prior to shipping
  • A 3.5% cancellation fee will apply
  • $150 flat-rate return fee per Speedwoofer 12S from the 48 states. (measure your space!)

RSL Notice

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California Proposition 65 Notice

Our speakers are built using CARB 2–compliant wood, which is manufactured with ultra-low-emitting resins that may involve trace amounts of formaldehyde, a chemical included on California’s Proposition 65 list. These traces relate to the manufacturing process of the MDF itself, not to the normal use of the finished loudspeaker.The finished product maintains extremely low emissions that meet strict California air-quality standards, and everyday use of the speaker does not meaningfully increase exposure. This notice is provided simply to comply with California’s labeling requirements and to keep consumers fully informed.


$1,183
Free Shipping within the Continental US
* TAXES (GST) INCLUDED *
View Specifications
If you’re not thrilled with an RSL product within 30 days, return it hassle-free. Just contact us and we will email a return label with instructions. A return fee will apply to each Speedwoofer, wireless device, and amplifier / AV receiver included. (For International Returns are different, call us.) International returns are to be arranged and paid by the customer. RSL does not cover international return shipping, or shipping insurance.
All products ship for free to the contiguous 48 States. This includes all Speedwoofers, System Packages, A/V Receivers, Individual Speakers, and Accessories!
A $150 flat-rate return fee applies per Speedwoofer 12S returned from the 48 states. Returning a defective item under warranty for replacement does not carry a return fee, as the return label will be supplied by RSL (U.S. Only)
All RSL speakers are covered under a 5 year warranty. (Excludes Speedwoofers)
All Speedwoofer 12S's include a 3-year amplifier warranty, and a 5-year warranty on the woofer and enclosure. If something isn't performing like new throughout the warranty period, please don't hesitate to email us for assistance!
Return any RSL speaker within 30 days in "like-new" condition, and receive your full money back. EXCLUDES SPEEDWOOFERS, iA255.1s, and WIRELESS TRANSMITTERS. *Items received with blemishes or without proper packaging may result in minor fees.

12S CG23M 2.1 STEREO SYSTEM

CG23M Components
Features
CG23M Size
Mounting
Speedwoofer

SUPERIOR BUILD FROM TOP TO BOTTOM
A NO-COMPROMISE HI-FI AND HOME THEATER SOLUTION
Included: 1 Speedwoofer 12S, 2 x CG23M Bookshelf Speaker

Compact bookshelf and “LCR” models, available for flexible multi-channel options.

Scratch resistant matte finish blends into any environment

Patented Compression Guide tuning for extended bass response

Improved efficiency over original gloss models

Audiophile grade crossover components

Mineral-filled woven aramid fiber cones

Recommended for use with amplifiers rated from 40W to 150W per channel

FLEXIBLE MOUNTING SOLUTIONS

Speedwoofer 12S

Speedwoofer 12S

The award-winning Speedwoofer 12S takes revolutionary performance to a level that the Speedwoofer name has never been before. This XDR™ series (extended dynamic range) proprietary DSP amplifier design delivers even more peak and continuous power than ever before – 500 watts RMS with 1550 watts peak. The XDR™ amplifier now offers 4 selectable DSP modes for a fine tuned movie and music experience. Select 'Movie' mode to unleash a 25-30Hz rumble that ensures every godzilla stomp is felt throughout the room, choose music mode from your handy remote to ensure the 12S delivers an articulate musical performance with effortless extension, tap the boundary mode to help reduce the lowest frequencies from traveling through walls and disturbing neighbors, or sit back and enjoy RSL's Reference mode to get the perfect balance of deep bass extension, articulation, and dynamic range performance. An internally radiused C-channel, turbulent-free, rear-vented Compression Guide™ tuning achieves the class leading performance but with reduced air restriction and port noise.

COMPRESSION GUIDE TECHNOLOGY

THE ACE UP OUR SLEEVE

Compression Guide technology is the difference between RSL speakers and all other speakers. It's the secret behind our award-winning sound. It's why RSL speakers sound so clear and incredibly realistic.

STANDARD SPEAKERS & SUBWOOFERS

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RSL SPEAKERS & SPEEDWOOFERS

SPECIFICATIONS

Speedwoofer 12S
(1 included)
  • 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 (black / heather gray)
  • 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: 26” W: 24” D: 27”
  • Shipped Weight: ~104 lbs.
  • Fuse: 115V (T6.3AL/250V) – 230V (T3.15AL/250V)
CG23M Bookshelf Speaker
(2 included)
  • Woofer: Dual 4” mineral-filled woven aramid fiber cones with Y35 high-grade ferrite magnets
  • Tweeter: 1” silk dome, neodymium magnet
  • Frequency Response: 80-20,000 Hz ± 3db
  • Nominal Impedance: 4 ohms
  • Recommended Impedance setting for amplifiers: 6 or 8 ohms
  • Sensitivity: 89 dB SPL @ 1W/1M
  • Recommended Power: 40-150 watts
  • Crossover Frequency: 2,800 Hz
  • Crossover Slope: Asymmetric 12 dB/octave
  • Crossover Parts: Air-core Inductors, poly capacitors, and gold-plated binding posts
  • Tuning Method: Compression Guide™
  • System Resonance: 75 Hz
  • Weight: 10 lbs.
  • Dimensions (vertical): H: 16” W: 6” D: 6 1/2 “(Without grille 6 ”)