wisdom audio sts 2021 - mate black

combination of high efficiency, massive output (130dB+), and the kind of transient response that only high-end planar/ribbon systems typically demand.
This unit has been meticulously cared for in a smoke-free, dedicated theater environment. It is in mint/like-new condition both aesthetically and functionally.
Specifications & Highlights:
• Design: Regenerative Transmission line.
• Sensitivity: 101 dB (extremely efficient).
• Frequency Response: 20Hz - 80Hz +/- 2dB.
• Output: Capable of exceeding 130dB at 20Hz.
• Dimensions: Roughly 70" × 21" × 7" (Versatile enough for behind-the-screen or under-floor installs).
Condition: 

Condition:
• Cosmetic: 10/10. No scratches, dents, or signs of wear.
• Functional: 10/10. Performs exactly as it did on day one.
Included in Sale:
• Wisdom Audio STS Subwoofer.
• Original Custom Wood Shipping Coffin: This is crucial for safe transit given its size and weight.
Price: $8,500 USD

• MSRP is significantly higher $15,500, making this an incredible deal for anyone building a world-class high-end theater.
Reason of selling I've recently moved to a smaller place and unfortunately don't have the room for it anymore. It's a great piece, but I need to clear out some space as soon as possible 

Reason of selling I've recently moved to a smaller place and unfortunately don't have the room for it anymore. It's a great piece, but I need to clear out some space as soon as possible
• Shipping: Buyer pays actual freight shipping costs. I am happy to assist with quotes. Having the original crate/coffin makes freight shipping safe and straightforward.
• Payment: PayPal (Buyer covers fees), Zelle, or Bank Wire.
Local pickup is also an option if you have a vehicle large enough.