Synergistic Research FEQ X4 Frequency Equalizer

Name: Synergistic Research FEQ X4 Frequency Equalizer
Brand: Synergistic Research
SKU: 98855
Price: 529.0 USD
Availability: InStock

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$995.00 (47% Off Est. Retail)

From $529.00

$995.00 (47% Off Est. Retail)

$529.00

From $529.00

$529.00

+$37.00 Shipping to contiguous US.
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Product Highlights

Synergistic Research FEQ X4 Frequency Equalizer. Specifications: Dimensions: 14" H x 4.1" W x 4.1" D; Generator Type: Ultra Low Frequency (ULF) RF Pulse Generator. Description: The Synergistic Research FEQ X4 is an acoustic field generator engineered to neutralize ambient atmospheric interference in your listening space. Operating as a single-channel ULF pulse generator, it emits a specialized frequency field that overpowers local RFI and EMI. By stabilizing the surrounding RF environment, the FEQ X4 creates a pristine acoustic backdrop, enabling your audio system to reproduce music with enhanced clarity, expanded soundstage geometry, and natural harmonic fullness.

Reviews and audio critics consistently praise the FEQ X4 for providing an immediate, noticeable lift in system performance. Listeners highlight a dramatically lower noise floor, allowing micro-details, vocal nuances, and delicate instrumental decays to emerge clearly. Reviewers frequently note a wider, deeper three-dimensional soundstage with superior image placement and enhanced midrange presence. Switching the unit off reportedly results in an immediate loss of soundstage focus, proving its active role in delivering a lifelike listening experience.

Controlling room interactions and environmental interference is essential for unlocking an audio system's true potential. The FEQ X4 solves this challenge by actively purifying the listening environment without requiring bulky room treatments. By delivering consistent, late-night sound quality at any hour, it ensures your music always plays with the clarity, warmth, and holographic depth your high-end setup was designed to produce.

Brand	Synergistic Research
Type	Misc.
MSRP	$995.00
SKU #	98855
Serial #	FEQ1033
Cosmetic Rating	7 - Good cosmetic condition with some minor visible cosmetic wear including scratches and other blemishes on the faceplate and sides. Despite these cosmetic imperfections, the unit functions well and would make a great addition to any setup.
Functional Notes	Operational condition of this item is excellent, fully tested and no issues found.
Age	7 years
Owners	1
Service History	None

Frequency Equalizer, Power Supply, Ground Connection, Factory Packaging

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