INVINCIBLE 21.2 YG Acoustics, September 6, 2026

INVINCIBLE 21.2

Our Reference range demonstrates the very best that can be achieved in accuracy and musicality. We are honored that these models are some of the most awarded loudspeakers in the world.

lnvincible is the world’s first hyper-high-end sub-bass speaker, created to solve a specific problem. Namely that owners of the world’s finest flagship speakers often feel that adding a subwoofer to their system causes more drawbacks than improvements.

By pushing the conventional boundaries of possibility, YG Acoustics incorporated proprietary, leading-edge technology to devise a no-holds-barred assault on everything deemed possible in the sub-bass realm.

Invincible introduces the largest BilletCore driver yet. Machined in-house from a massive, 30 kg (66 lbs) slab of aircraft-grade aluminum, this cone measures 53 cm (21”) in diameter. The basket, also machined in-house, is precisely assembled from 238 parts using laboratory-grade alignment and tolerances.

The Reference speakers are structured from high-grade aerospace aluminum, machined in-house to an incredible precision and hand-built by experts in our Colorado and Cambridge workshops. Like our flagship XV, multi-layer construction provides an ideal platform for the driver. A sealed box enclosure eliminates port-issues and the associated timing issues.

The single driver Invincible 21.1 can be upgraded to an Invincible 21.2, sporting dual, opposing-yet-tilted drivers. This combines the freedom from vibration of a push-push setup, with the ease of room-integration typically associated with front-firing subwoofers.

SPECS

Bandwidth
Truly full output (-0 dB), even anechoically, to below 20 Hz
Usable output extends below 15 Hz

Drivers
BilletCore ultra-high-rigidity subwoofer(s) with a diameter of 53 cm (21")
InVincible 21.2 – dual driver

Amplifier
Up to 6,000 Watts RMS (requires a 230 Volt AC hookup, otherwise 3,000 watts)

DSP
Proprietary DualCoherent-inspired crossover with user-controllable frequency
Designed using software developed in-house
Pre-programmed for precise matching with YG Acoustics speakers
Extensive options for matching with third-party speakers

Dimensions
30 x 27 x 27" (H x W x D)
75 x 68 x 66 cm (H x W x D)

Weight
244 lbs / 111 kg

Press Release Documents

Website Address

https://www.yg-acoustics.com/
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