FiiO has some that aren't super pricey (they run a range, their entry level stuff is usually really affordable), their amps and DACs are pretty solid in my experience so I'd totally look into one, second hand would definitely be an option there too.
FiiO has some that aren't super pricey (they run a range, their entry level stuff is usually really affordable), their amps and DACs are pretty solid in my experience so I'd totally look into one, second hand would definitely be an option there too.