Questions, answered.

Deliveries within Germany usually arrive in 3–5 days, deliveries to other countries in 5–7 days after the contract is concluded. We ship from Düsseldorf and deliver as fast as possible. No delivery on Sundays and public holidays.

As soon as your order ships, you'll receive a tracking link by email. Every package can also be tracked on 17track.net.

Deliveries within Germany are free (€0.00 per order). For deliveries to other countries, shipping is calculated based on the gross order value. Full details on the Payment & Shipping page.

First check whether your card has expired or lacks sufficient funds. If everything looks correct, your bank may have declined the transaction — contact your bank to authorize it and try again.

You have a 14-day right of withdrawal under EU law. Details on condition and deadlines can be found in our return policy.

The fastest way is to return the existing item and, once the return is accepted, place a separate order for the new item.

Manuals for every product (Thunder Pro+, Duo, Lite, S3/S5/S21, Storm G2/A2) are available on request from our support team. Contact us — we'll send you the PDF for your product.

With the OXS Audio App you can adjust lighting, EQ, and channel volume on the Thunder Pro+ and Thunder Duo. Here's the OXS Audio App guide.