Ayre QB-9 Twenty Factory Upgrade
SKU: 55108171825

Ayre QB-9 Twenty Factory Upgrade

Sale price$1305.00 Regular price$1450.00
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Ayre QB-9 Twenty Factory UpgradeQB 9 Twenty Factory Upgrade This is for existing QB 9 or QB 9 DSD units that need to be sent to our factory and upgraded to the Twenty version. When entering billing and shipping details, enter your QB 9 QB 9 DSD serial number in the Order Notes section. The generated sales number will act as the RMA number to authorize the return of the QB 9 for the upgrade. Once we receive your QB 9, the upgrade will take approximately 7 10 days to process, upgrade,

QB-9 Twenty Factory Upgrade

This is for existing QB-9 or QB-9 DSD units that need to be sent to our factory and upgraded to the Twenty version.

When entering billing and shipping details, enter your QB-9/QB-9 DSD serial number in the “Order Notes” section.

The generated sales number will act as the RMA number to authorize the return of the QB-9 for the upgrade.

Once we receive your QB-9, the upgrade will take approximately 7-10 days to process, upgrade, and run all necessary testing before returning.

Here is what has been improved with the Twenty update:

  • Our Diamond output circuit improves musicality and bass response.
  • A new JFET differential stage lowers the noise floor.
  • AyreLock power supply regulation for better rendering of fine musical detail.
  • New AC noise filtering for improved resolution.
  • Custom Ayre Asynchronous USB technology further reducing electrical noise in the system.
  • New ESS DAC chip (ES9038Q2M) for improved signal to noise ratio and spacial detail.
  • Six layer board design for optimal circuit isolation.
  • Proprietary reclocking to eliminate USB domain jitter.
  • PCM play back up to 384 kHz
  • Native DSD capability up to DSD256 (4x)
  • HDCD decoding
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55108171825

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 1619 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
K
Verified Purchase
Kevin Keegan
Belleville, US
★★★★★ 3
Runs large
Size: 7 Big Kid, Color: White
Runs very large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
L
Verified Purchase
Lou
Louisville, US
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
K
Verified Purchase
KNE
Battle Creek, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
Mike Summers
Lake Worth, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
T
The Pacific Northwesterners
Omaha, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026

recommand products