Yes, you can absolutely use the:
-Jensen RV Stereo # JWM45 in your 2001 Coachmen Royal 5th Wheel.
This stereo features 1 HDMI, 1 USB, 1 RCA input, 1 RCA output, 1 video output, 1 antenna socket, and 1 auxiliary input, operates off of 12VDC, and a single disc slot that can hold one CD or DVD.
Additionally, this stereo measures 8-3/16" wide, 3-3/8" tall, and 4-5/16" deep. view full answer...