Contact us

Last updated: November 12, 2026

Evoxen USA is the trading name of EVOXEN LLC, a Utah limited liability company. We sell 5 Core car audio, PA and cable products online and ship to the 48 contiguous US states and Washington, DC.

Customer service

Email is the best way to reach us. We usually reply within 1–2 business days, Monday through Friday (US Mountain Time). Please include your order number or the email address used at checkout if you already have an order.

You can also read the FAQ for common questions about shipping, delivery, payments and returns.

What to include

• Orders, shipping or tracking: your order number, shipping address, and what you need help with.
• Damaged, defective, wrong or missing items: your order number and clear photos. Report transit damage within 3 days of delivery, and wrong or missing items within 36 hours, as described in the Refund & Return Policy.
• Returns: email us first for authorization. Do not ship a return until we reply with instructions. See the Refund & Return Policy.
• Fitment questions before you buy: your vehicle make, model and year, or the speaker cabinet or amplifier you are matching, plus the product you are considering.

Shipping and delivery

Standard shipping is free to the contiguous United States. Orders usually leave a US warehouse within 1 business day and typically arrive about 6 business days after dispatch (an estimate, not a guarantee). Tracking details are emailed when available. Full details are in the Shipping Policy.

Company details

Legal name, registered address and registration number are also listed on our Legal Notice / Imprint. Your contract of sale is with EVOXEN LLC. We are an independent retailer and are not owned by, endorsed by, or affiliated with 5 Core except as a reseller.