WAVS Custom Promo Codes & Coupons February 2026

When WAVS Custom shows an error like "invalid promo code" or "code expired" for codes like WINTER40 or BLKFRIDAY, it typically means these seasonal codes are no longer active in their system. "Invalid promo code" indicates the code isn't recognized, while "code expired" means it has reached its end date or usage limit.

This commonly happens with seasonal promotions that WAVS Custom offers during specific events like Black Friday or winter sales. These codes have limited validity periods and are deactivated once the promotional period ends.

If you encounter this error, try these steps:

1. Copy a fresh code like HAVE10 or WETHRIFT50 from recently verified sources
2. Paste it into the "Promo Code" box at checkout
3. Click "Apply" to validate the code
4. If it fails, try clearing your browser cookies or using incognito mode, as WAVS sometimes caches previous attempts

Remember that WAVS Custom codes typically work storewide on their IEMs but exclude items already on sale, and are limited to one per order.

Pro tip: Check coupon tracking sites like Wethrift for the most current WAVS Custom codes, as they monitor real-time usage statistics for discounts ranging from 10-40% off.

No, WAVS Custom doesn't allow stacking multiple promo codes. You can only use one code per checkout, whether it's WETHRIFT50, a first-order discount, or any other promotion. However, these codes do apply to custom IEMs as they're considered storewide offers.

When checking out, the system will only accept one code, typically applying the one with the highest value. For example, WETHRIFT50 (50% off) would override a first-order 10% discount code like HAVE10, but they cannot be combined for a 60% discount.

To apply a promo code to custom IEMs:

1. Add your custom IEMs to your cart
2. Enter your preferred code (such as WINTER40 for 40% off) in the "Promo Code" field
3. Click "Apply" to see the discount
4. If testing multiple codes, try them separately to see which offers the best value

Pro tip: For maximum savings on your first custom IEM order, prioritize using the highest percentage discount code available rather than the standard first-order discount.

Yes, WAVS Custom promo codes like WINTER40 or HAVE10 do apply to customized IEMs and personalized products. These codes work storewide with no exclusions for custom products noted in their active promotions.

Shoppers have confirmed that discount codes successfully reduce prices on custom IEMs (which start from $399) during checkout. Discount percentages typically range from 10-77% off and apply across all product categories, including bespoke earphones.

To use a promo code on customized products:

1. Complete your product customization selections
2. Proceed to checkout
3. Enter your code in the "Promo Code" box
4. The discount will apply instantly if the code is valid

Pro tip: Always customize your IEMs completely before applying your promo code. WAVS processes discounts before shipping, and you'll save the most when applying discounts to higher-priced personalized items.

If your WAVS Custom promo code applies but then disappears from your cart, it's likely due to a browser cache issue or session timeout on the website, which is particularly common when ordering custom IEMs.

This typically happens during the customization process or when there are conflicts with cookies or when your cart session exceeds time limits during the code validation process.

To resolve this issue:

1. Save your cart items if possible
2. Clear your browser cache and site data specifically for wavscustom.com
3. Try using incognito or private browsing mode
4. Re-add your items to the cart
5. Paste your promo code (like WETHRIFT50) in the "Promo Code" box
6. Apply the code just before final review and payment

Be aware that codes like WINTER40 may disappear if your session is idle for more than 10 minutes, and you'll need to re-enter the code due to the one-code-per-order rule.

Pro tip: Copy your promo code to your clipboard before starting checkout and apply it as the very last step to avoid WAVS Custom's automatic session resets that can occur during the custom configuration process.

WAVS Custom occasionally issues discount codes to shoppers. In the past month, they have launched 1 new promo coupon. While the availability of these codes may vary, customers should regularly check WAVS Custom website or sign up for their email newsletter to stay informed about new discounts.

On average, WAVS Custom provides 21.7 discount coupons each month. Based on historical data, the average time between WAVS Custom coupon releases is approximately 2 days. However, this is subject to change and may depend on various factors such as seasonal promotions, product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking WAVS Custom website regularly, subscribing to their email newsletter, and following them on social media.

WAVS Custom is offering 2 working store-wide codes, and they are also offering 3 additional discount codes with a max discount of 40% off.

SimplyCodes is the #1 provider of discount codes for your favorite retailers, such as WAVS Custom. As the only crowdsourced platform for coupon codes, we have all the latest and accurate codes for over 200,000 stores. Save time and avoid expired codes by checking SimplyCodes for the latest WAVS Custom discount codes.

On average, WAVS Custom offers 21.7 coupon codes per month. As of today, WAVS Custom has 3 active coupons and offers.

As of Feb 14, 2026, it does not appear that WAVS Custom has discounts for Black Friday or Cyber Monday. We regularly check for WAVS Custom's Black Friday and Cyber Monday discounts, so be sure to check back on this page to find the latest cyber week deals.