Sell Your Gear

Acoustic guitar with case

Got gear gathering dust?

List your second-hand guitars, pedals, and amps for free. Everything on UnderThreeHundred is priced fairly and sold securely.

List Your Gear

Why sell with UnderThreeHundred?

🎯 Targeted Buyers, Not Tyre-Kickers

No endless lowball offers or time-wasters. Our buyers are real musicians actively searching for affordable gear under £300. Your listing gets seen by people ready to buy.

💰 You Keep 92% - That's It

Just 8% commission when your item sells. No listing fees, no hidden charges, no surprises. Plus you keep 100% of shipping costs to cover your postage.

🔒 Secure Payment Protection

Your payment is guaranteed. We hold the buyer's money securely and release it to you once they confirm the item arrived as described. No PayPal disputes, no chargebacks.

⚡ Fast & Simple Listing

Submit your gear details and photos - we handle the rest immediately. No complicated seller dashboards, no waiting for approval. Your listing goes live straight away.

🎸 Built for Musicians, By Musicians

We understand gear. Fair prices, honest descriptions, and a community that values quality over quantity. No inflated listings, no marketplace chaos.

How to list your gear

  • Fill out the form below with all the details about your gear.
  • Upload up to 10 clear photos of your item.
  • Price must be £300 or under and all faults must be listed honestly.
  • Once submitted, we'll review and publish your listing on UnderThreeHundred.

Submit Your Listing

Fill out all required fields and upload your photos. Make sure your description is accurate — you'll be responsible for any disputes if it isn't.

Featured collection

View all