SHIPPING

We have warehouses located in the US, EU, Canada, and Australia; orders placed in other regions will be delivered via international shipping.

RETURNS

Free returns within 60 days of purchase date. Once we receive the item, a refund will be initiated immediately.

WARRANTY

All purchases from Avantree.com automatically comes with a 24-month warranty.

BULK DISCOUNTS

Discount prices will automatically
be reflected in the shopping cart

For same item orders:

• 5-9receive 5%   off order total
• 10-19receive 10% off order total
• 20+receive 15% off order total

I can't adjust the volume on the headphones. How to fix?

This guide applied to multiple products.

Click on the product name to view this guide & find more help on the full product support page:

Categories
I can't adjust the volume on the headphones. How to fix?

This guide applies to multiple products

Go to the full support page of the related products: Quartet, Quartet-Extra

If you cannot adjust the volume of the headpones, you can try the following:
1. Firm click the outter side of the (+/-) buttons on the headphone instead of the middle button. Do not long press or do not hold down.

2. It may take multiple quick taps of the (+/-) buttons to hear the volume change.

If still no luck, please fill this Verification Form so we can help you further.

Go to full product support page of [Quartet, Quartet-Extra]
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