Electronics collector said: foreign fans are getting high-quality machines at bargain prices.
In recent years, well-known music artists have also begun releasing music on tape, but the effect has not been significant.
Experts said the challenge for cassette players is that the tapes have deteriorated after a long period of use.
Meanwhile, the number of new tapes recorded was too small.
“New tracks will determine the popularity of cassettes in the future,” he said.
An old Sony Walkman TPS-L2 catssette currently costs five times the original price but is still sought after by some Japanese and Americans.
Beenos, the Tokyo-based company, said this year, the price of cassette players on the cross-border e-commerce platform is 50% higher than last year.