Has AC hum plugged in / no hum w/ batteries; turns on and can hear station but has constant AC type hum ; Might be my house,.see video. Please read the entire ad. Please look at pictures for details and condition. Ask all questions prior to bidding. Fast shipping! Most items paid by 1 pm EST ship next business day! Weekends and holidays are not business days. Check our related items. We have many items and will combine shipping, contact us for a shipping quote. If you need something you don't see, please contact us, we will do our best to help you find it! Everything we list is from our own stock. One owner, dry, smoke pet free; well cared for. Payment must be received in 24 hours. Cash on pickup is preferred for local pickup. Please leave positive feedback and we'll do the same immediately after receiving feedback. Please contact us if there's a problem, we will resolve issues. Most items are for sale locally and we reserve the right to end listing with no bids/ offers. Please get your offer in early. Check all our shipping options for the least expensive method. Feel free to make an offer , the worst that can happen is a counter offer! All items are cleaned with disinfecting wipes where applicable. All items are handled and packed by 1 Covid free person. I have been fully quarantined since March 2020 and no one has entered our facility. US Seller. Fast Shipping!!