Have you tried asking the company you bought the 2803 from if they will do a swap.
Many companies will swap items of the same or greater value within a reasonable time limit.
You might wanna give creative a call, as emails are not always the most reliable of communication!
Otherwise I think Audio T do exchanges, so may be worth giving them a call to see if they would be interested, and the agreement you could arrange with them. They have various outlets around the country.