Synergistic Research FEQ Carbon Frequency Equalizer

Synergistic Research FEQ Carbon Frequency Equalizer Product Description: 

Next Stop: The Twilight Zone

Imagine listening to Charlie Parker at Birdland—then walking into Carnegie Hall and taking the best seat in the house. That’s what it feels like when you add the Atmosphere FEQ Carbon to your listening room.

The FEQ Carbon is a third-generation, two-channel acoustic field generator designed to shape the size and scale of your soundstage with stunning realism. It enables your system to portray both the music and the recording venue with uncanny accuracy, pulling you deeper into the performance.

Dual RF Design, Carbon Chassis

The FEQ Carbon introduces a newly engineered PCB with dual RF generators—one for refined wave shaping and another for an independently controlled ULF (Ultra Low Frequency) channel. This is the first FEQ to feature such dual functionality, derived from our flagship Atmosphere Infinity, and tuned through hundreds of hours of critical listening to achieve the ideal balance of focus, clarity, and immersion.

Its carbon fiber chassis isn’t just visually striking—it enhances the propagation of ULF frequencies through its conductive weave, creating deeper layering, greater dimensionality, and a more holographic presentation. In many systems, the FEQ Carbon even rivals the complexity and performance of the larger Atmosphere Infinity, thanks to two precisely voiced frequency modes that deliver a perfect yin and yang between precision and space.

Two Frequency Bias Modes

• Blue Frequency — Voiced for acoustic instruments, vocals, and intimate performances.

(Note: FEQ Carbons manufactured before Dec. 5, 2022 used the red setting for this mode.)

• Red Frequency — Tuned for large-scale performances and electronic music, delivering a grand, enveloping sound field.

(Note: FEQ Carbons manufactured before Dec. 5, 2022 used the purple setting for this mode.)

Together, these two frequency profiles allow you to tailor your soundstage to match your music’s emotional and spatial character—whether you’re after pinpoint imaging or expansive immersion.

The Science Behind the Sound

Solar activity—like solar flares, coronal holes, and sudden disappearing filaments (SDFs)—affects the Earth’s RF environment, influencing how we perceive space, detail, and energy in sound. The FEQ Carbon was designed to replicate the stable, refined RF conditions of late-night listening, enhancing musical realism even in the middle of the day.

Synergistic Research FEQ Carbon Frequency Equalizer Key Features: 

• Dual RF Generators with Independent ULF Channels – Provides two independently controllable ultra-low frequency channels, allowing precise tailoring of your soundstage for both small acoustic performances and large-scale recordings.
• Carbon Fiber Chassis – Enhances ULF frequency propagation while reducing mechanical resonance, resulting in improved layering, three-dimensionality, and holographic realism.
• Two Frequency Bias Options (Blue & Red) – Optimizes playback for different music types: Blue for acoustic instruments and vocals, Red for large-scale performances and electronic music, giving flexibility to match your listening preference.
• Advanced Acoustic Field Generation – Tailors the size and scale of your room’s soundstage, delivering a natural and immersive listening experience that replicates live venue dynamics.

Dimensions and Weight: