Sell my Sonos Era 300

Your Sonos Era 300 trade-in value depends on its condition. In excellent condition, you could receive up to £155. Devices in fair or faulty condition receive a lower but still competitive offer. Get an instant, no-obligation quote above - it only takes a few seconds.

In the UK, the Sonos Era 300 is currently worth up to £155 in Excellent condition through Envirofone. Prices typically drop £25–£35 a month after a new generation launches, so locking in your quote with our 14-day price guarantee is the best way to maximise your payout.

Send the charging case, the ear tips and the cables it came with - a missing part drops the grade. Anything you bought separately is yours to keep - your quote is for the Era 300 itself.

Trading in with Envirofone is faster, safer and free. Private sales on marketplaces can get you a slightly higher price, but you handle the listing, the buyer questions, the meet-up or the postage, and the risk of payment fraud. With Envirofone you get a guaranteed price, free Royal Mail postage, no listing fees, and same-day payment with zero scam risk.

Yes. Envirofone buys faulty Sonos Era 300 devices - whether yours has a driver or connectivity fault, water damage, or a charging case that won't charge. Select "Faulty" as the condition above and we'll give you a fair price. It does need to switch on: we cannot accept a device that will not power up, or one reported lost or stolen.

Envirofone is one of the most trusted places to sell your Era 300 in the UK. Since 2005, we've paid over £160 million to customers and recycled millions of devices. We offer competitive prices, free postage, same-day payment and no seller fees. Unlike marketplace listings or comparison sites, you sell directly to us - no middlemen, no waiting, and no risk of scams.

Before sending your Sonos Era 300, unpair it from every device you have paired it with, take it off any companion app, and reset it to factory settings. This protects your personal data and allows us to process your trade-in quickly.

We test your Sonos Era 300 on the day it arrives at our facility. Once it passes inspection, payment is processed the same day via bank transfer - or choose EnviroCash for a 7% bonus to spend on a refurbished device. Most customers receive their money within 3–5 days of accepting their quote, including postage time.

Trade-in values for the Era 300 drop by roughly £25–£35 each month, with steeper drops around major launch events when newer models arrive. Selling sooner rather than later locks in the highest value. Our 14-day price guarantee on every quote protects you from drops while your device is in the post.

Yes - trade-in prices decrease over time as newer models launch, so selling sooner means getting more cash. Your Sonos Era 300 still holds strong value on the refurbished market. Lock in today's price with a 14-day price guarantee and sell before the value drops further.