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YG Acoustics Large Sonja 2.3i 3-way passive floorstander

YG Acoustics Large Sonja 2.3i 3-way passive floorstander

SKU: Sonja 2.3iYG Acoustics
$97,720.00 each
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Product Description

  • Sonja 2 incorporates YG Acoustics' latest technologies, BilletDome and ViseCoil, which until now were exclusive to the flagship Sonja XV. Marrying these technological breakthroughs with stunning industrial design, the result is a loudspeaker which is transformative in both performance and sheer visual beauty. Sonja 2 has unparalleled sonics, timelessly elegant form and pure seduction. Precision crafted in Colorado, U.S.A.

    Sonja 2 is distinguished first and foremost by the patent-pending BilletDome tweeter. BilletDome is YG Acoustics' most complex mechanical invention to date: a resonance-free soft dome is supported by a stiff, light airframe machined from aluminum billet. The airframe weighs a mere 30 milligrams (a thousandth of an ounce), but its critical sections are up to 14 times thicker than a typical hard dome, so its structural strength is vastly superior even to domes made of the most exotic hard materials. Finally, a tweeter that ends the age-old debate of hard dome versus soft dome, combining the best of both.

    Sonja 2's bass crossover uses a brand-new technology: ViseCoil inductors are CNC-wound in-house, then encased in a vise-like milled structure to eliminate vibration and tighten tolerances. Residual loss is reduced by 24%, and linearity is improved by 60%. The result is better control over the woofers, far greater bass impact, and an easier job for most amplifiers.

    The bass and midrange units are made in-house using YG Acoustics' proprietary BilletCore technology: the drivers are precisely machined out of massive slabs of aircraft-grade aluminum. This unique process offers overwhelmingly superior dynamics, musical delicacy and low distortion due to industry-leading rigidity and accuracy (tight tolerances).

    The BilletDome tweeter's motor incorporates YG Acoustics' ingenious ForgeCore system: in-house CNC-cutting introduces sophisticated 3D geometries into the magnet system. The resulting improvement is greatly reduced distortion and a sense of ease to the sound.

    YG Acoustics' crossover circuits are all created using proprietary software developed entirely in-house. DualCoherent technology provides the best frequency response and relative phase available. Competing speakers are optimized in either the frequency domain (most common) or time domain. Only YG Acoustics has the ability to optimize both domains simultaneously.

    Sonja 2's mid and tweeter crossover uses ToroAir technology: in-house CNC-wound toroidal air-core inductors are unique in eliminating cross-talk (cross-contamination) common in crossover circuits. The result is preservation of high-frequency detail without harshness, brightness or sibilance.

    Sonja 2's exquisite cabinet combines visual refinement with over-engineering. It is constructed of precision-machined aircraft-grade aluminum alloy. This material, using vibration-free pressurized assembly, allows for the most acoustically desirable enclosure achievable. The multi-layered structure is optimized for each module's specific frequency range. This ensures the lowest vibration achievable, even at extreme volume levels.

    FocusedElimination anti-resonance technology keeps mechanical losses lower than any competing speaker, by combining the minimized turbulence of a sealed design with the low friction otherwise associated with enclosure-free concepts.

    YG Acoustics' speakers are not voiced. All measurements are verified using extensive listening tests, but the speakers are not artificially manipulated. YG Acoustics speakers simply convey the recording - nothing more, nothing less.

    The end-result: Sonja 2 sets benchmarks in transparency, 3D-soundstaging, dynamics, bandwidth, inner-detail and the natural sound of a live performance that YG Acoustics is famous for. This is all presented in a refined, elegant speaker with an exquisite fit and finish that is the showpiece of the world's finest listening environments.
  • Configurations

    Sonja 2 is available in four fully modular configurations, each of which can be expanded to the next, without the need to replace existing modules:

    Sonja 2.1 - an ultra-high-end compact speaker, available with or without a matching stand.

    Sonja 2C - a center-channel speaker, available with or without a matching stand.

    Sonja 2.2 - an ultra-high-end medium-sized floorstanding speaker.
    Consists of Sonja 2.1 interlocked atop a matching bass module.

    Sonja 2.3 - an ultra-high-end large floorstanding speaker.
    Consists of Sonja 2.1 interlocked atop dual matching bass modules.

    Sonja 2, in addition to its remarkable two-channel (stereo) performance, is fully compatible with multi-channel audio and home theater systems.

  • Upgradability

    A hallmark of YG Acoustics speakers is their future-proof design. Owners of most Anat and Sonja (1st generation) speakers enjoy the ability to upgrade to our latest Sonja 2 technology, and/or to expand to the Sonja XV flagship. In most cases, upgrades and expansions can be done in the field (i.e. in the customer's home) without the need to ship the speakers anywhere, in a matter of hours. For details please contact YG Acoustics.

  • Specifications

    ±1 dB in the audible band
    ±5° relative phase throughout entire overlap
    Exceptional pair-matching
    Usable output extends from below 20 Hz to above 40 kHz

    BilletCore ultra-high-rigidity woofers and mids
    BilletDome ultra-low-distortion tweeter with ForgeCore motor

    Sonja 2 is fully-passive
    Proprietary DualCoherent crossover at 65 Hz and 1.75 kHz
    Designed using software developed in-house
    ViseCoil bass inductors reduce residual loss and improve linearity for greater bass impact and an easier job for most amplifiers
    ToroAir inductors eliminate cross-talk

    88 dB / 2.83 V / 1 m π anechoic

    4Ω nominal, 3Ω minimum

    Sonja 2.1 - 50x21x53 cm (20x8x21") HxWxD
    Sonja 2C - 21x49x53 cm (8x20x21") HxWxD

    Sonja 2.2 - 129x33x63 cm (51x13x25") HxWxD
    Sonja 2.3 - 179x43x72 cm (70x17x28") HxWxD

    Sonja 2.1 / Sonja 2C - 46 kg (102 lbs) per channel unpackaged
    Sonja 2.2 - 130 kg (286 lbs) per channel unpackaged
    Sonja 2.3 - 205 kg (452 lbs) per channel unpackaged


All orders are processed within 48 hours from date of order.

We offer Free Ground Shipping on all orders regardless of size.  

  • If you would like to receive your order quicker you can request Express shipping during Check-Out in the Comments section.  Additional charges will apply.
  • In-stock items are shipped from our Vancouver warehouse and will reach major Canadian cities in 5-7 business days.
  • Items not in stock will either ship from one of our manufacturer partners' warehouses or in rare cases first must be sent to Vancouver and then to you.  
    • If the expected arrival to you will be more than 7 business days you will be notified by email and at that point you will have the option to proceed or if you cannot wait then order can be cancelled.

Returns Policy 

We will gladly:

  • (a) exchange a product that is not special ordered, or shipped from one of our partner warehouses, for a new product of equal value (product purchased must be unopened)
  • (b) exchange a product if it is defective or damaged for the same product

within 15 days after the product has been delivered to you.

Returns for refund are not accepted.

For an exchange, you must notify us by email at We will acknowledge receipt of your email by reply and assist you in returning the product as identified below. Make sure to send and have your return package post marked within the 15 days after the product has been delivered to you.


  • Headphones may not be returned or exchanged for any reason, only defective units will be replaced for the same model
  • Items that have been opened may not be returned


Notwithstanding the foregoing, you may cancel an order if the product is not delivered to the delivery address on your order form within 30 days of the date your order is accepted.

To cancel, you must notify us by email at We will acknowledge receipt of your email and process the cancellation.

Returns Packaging:

Products returning for exchange must be unused and in their sealed, original factory packaging.

Buyer is responsible for return shipping costs.

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