MartinLogan Balanced Force 210
Best premium bass enhancement for discerning audiophiles and home theater enthusiasts.
The MartinLogan BalancedForce 210 delivers powerful, detailed bass to elevate any audio system, whether for high-end stereo music or immersive home theater. Its innovative two-driver, force-canceling configuration eliminates cabinet resonance, ensuring pure bass energy without the blur common in conventional subwoofers. A sophisticated DSP-based amplifier guarantees the purity and accuracy of the sound. This subwoofer is designed to blend seamlessly with electrostatic or conventional speakers, providing deep, tight, and powerful bass with electrostatic-like detail.
$3499.99
More BalancedForce Options
Owner Satisfaction
4.6
/ 5
Category Rank
2277
/ 8447
#2277 in Speakers
Price vs Category Average
+139%
Above average
Frequency Response
201203
/ – Hz ±dB; Anechoic through LFE effects input
Who it's for
- Audiophiles seeking precise, impactful low-frequency reproduction for music.
- Home theater enthusiasts and music lovers with spacious listening environments.
- Discerning buyers valuing both top-tier acoustic performance and elegant design.
Who should skip it
- Budget-conscious consumers or those new to high-end audio equipment.
- Apartment dwellers or listeners with limited room for audio equipment.
- Casual users preferring simple plug-and-play operation without intricate adjustments.
Performance breakdown
Bass Precision
Force-canceling drivers eliminate cabinet resonance for exceptionally tight, blur-free low frequencies.
Power Output
The 850-watt amplifier delivers massive headroom for demanding home theater dynamics.
System Integration
Versatile connectivity and optional room correction ensure seamless blending with any speakers.
Build Integrity
Heavyweight construction and non-resonant chamber design prioritize structural stability and acoustic purity.
Low-End Extension
Solid 20Hz response provides deep, authoritative rumble for immersive cinematic experiences.
Control Sophistication
DSP-based tuning offers precise command over crossover and room-specific acoustic adjustments.
Key Specs
Frequency Response
20–120 Hz ±3dB; Anechoic through LFE effects input
Impedance
RCA: 10,000 Ohms, XLR: 15,000 Ohms per phase, Speaker Level: 10,000 Ohms per phase (20,000 Ohms red to black)
Low Frequency Transducer
Two 10" (25.4cm) cast-basket, highexcursion, aluminum cone with extended throw driver assembly, sealed non-resonant asymmetrical chamber format
Amplifier
850 watts (1,700 watts peak)
Room Correction (Bass Section)
Perfect Bass Kit (PBK) Ready (Sold Separately)
Audio Controls
On, Auto (12V Trigger), Off
Low Pass Filter Frequency
30 - 80Hz
Inputs
RCA: Left, Right and LFE. XLR: Left, Right and LFE. Speaker Level: Left and Right banana jacks. 12V Trigger: 3.5mm. Mini USB (for PBK). USB (for crossover & firmware updates)
Features
- Dual opposing woofers cancel cabinet vibrations
- High-excursion aluminum cone drivers for deep bass
- Advanced Ultra-Efficient D-Class Amplifier
- DSP-based amplifier for sound purity
- Optional PBK room correction for optimized bass
- Built-in 25Hz level control
- Multiple input options for versatile connectivity
- Free shipping in the contiguous U.S.
What customers say
Customers consistently laud the MartinLogan Balanced Force 210 for its exceptional sound quality and robust design. Users frequently highlight its ability to deliver deep, articulate bass that seamlessly integrates into high fidelity audio systems. The premium build quality and sophisticated aesthetic are often praised, reflecting its high end market position. While a significant investment, many reviewers feel its transformative performance justifies the cost, elevating both music and home theater experiences to an immersive level. It is celebrated for its powerful yet refined low frequency output.
Know before you buy
By using two opposing drivers, the BalancedForce 210 physically cancels out cabinet vibrations. This prevents the enclosure from rattling or coloring the sound, resulting in tighter, more precise bass that remains clear even at high volumes.
Yes, it is specifically engineered to match the speed and detail of electrostatic speakers. Its sealed, non-resonant design ensures the bass is fast and articulate, preventing the 'muddy' sound often associated with conventional subwoofers.
The Perfect Bass Kit (PBK) measures your room's unique acoustics and adjusts the subwoofer's output to compensate for peaks and dips caused by your walls and furniture. It is highly recommended if your room has challenging dimensions or if the subwoofer must be placed in a corner.
The subwoofer is highly versatile, featuring RCA and XLR inputs for dedicated LFE or stereo signals, as well as speaker-level banana jacks. This allows it to connect easily to both home theater processors and traditional two-channel stereo amplifiers.
The unit features an advanced D-Class amplifier that delivers 850 watts of continuous power, with a peak output of 1,700 watts. This ensures the subwoofer has plenty of headroom to handle demanding movie soundtracks and complex musical passages without distortion.
Yes, the subwoofer includes a built-in 25Hz level control, allowing you to fine-tune the deep bass output. Additionally, the low-pass filter can be adjusted between 30Hz and 80Hz to ensure a seamless transition between the subwoofer and your main speakers.
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