dual den cd cassette player?

Answer 1

Or, you're speaking of dual Denon cassette deck.

Contact Pro Sound and Stage Lighting pssl.com or 800-945-9300.

Or, American Musical Supply at americanmusical.com or 800-458-4076.

I would try PSSL first. these people are very knowledgeable.

Answer 2

You're probably looking for Dual DIN??
This is the slot size for fitting audio components & other electronics into your car dashboard. Standard is DIN - normal radio/cassette slot, Dual DIN is a double-sized slot for larger components - hope this helps...