300 watt, 4 ohm, 10” lightweight driver in as new excellent condition. Bought as an upgrade to fit in my little Trace BLX 1x10” ext cab (planned to use it with the Elf as a grab and go mini rig). In the end it was used at home for a total of approximately 2 hours so it won’t even be broken in yet. It’s one of these:  https://www.lean-business.co.uk/eshop/celestion-bn10300x-4ohm-neo-magnet-bass-guitar-speaker-10-p-542.html   £60 posted to GB or £50 collected