I changed the speaker to one of my own to improve the bass - see picture. I will include the original.
You can see I also played around with adding insulation / sound deadening to the underside of the roof - there is double sided tape residue here. Finally, I broke a couple of the catches on the roof. It still fits snuggly and make no difference to the external appearance. Apart from the above mentioned it is in excellent condition. Comes boxed with instructions for the sound file.
Instructions for the Zimo MX644D Decoder can be found on the Zimo website. Will pack well for posting. The item "Class 08 Blue Inverness 08717 fitted with Zimo Digitrains Paul Chetter DCC Sound" is in sale since Friday, June 25, 2021.
This item is in the category "Collectables\Model Railways & Trains\O Gauge\Locomotives". The seller is "btnmod" and is located in Suffolk. This item can be shipped to United Kingdom.