The Realiser A16 allows multichannel immersive audio to be heard accurately through stereo headphones, with head tracking.One owner, like new condition. Sale includes all items as received from the manufacturer. Unit decodes Dolby Atmos, DTS-X, and Auro-3D. The Realiser A16 package contains the items below. Main processor components:1. Realiser A16 processor (the 2U 19” version)2. Power Supply (input 100-240V AC, 50/60 Hz, output 12V DC @ 3A)3. IR remote control Set-top head-tracking components: (as yet unused)4. Set-top IR reference unit (for head-tracking)5. Set-top cable (3.5mm plug to 3.5mm plug, 4-pole)6. Set-top extension cable (3.5mm socket to 3.5mm plug, 4-pole) Head-top head-tracking components:7. Head-top head-tracker8. Clip for mounting the head-top to headphones9. Rubber bands (for connecting head-top clip to headphones - 3 sizes)10. Head-top cable (2.5mm plug to 2.5mm plug, 4-pole)11. Head-top extension cable (2.5mm socket to 2.5mm plug, 4-pole)12. Cable clips (to attach the head-top cable to the headphone cable) Measurement microphone components: (as yet unused)13. Lanyard (orange neck strap)14. Clip for lanyard (for supporting in-ear microphones during PRIR measurements)15. In-ear microphones (one pair)16. Foam earplugs (for microphones - 3 sizes)17. Grounding wrist strap (for earthing body during PRIR measurements)18. Headband for mounting a Head-top device during PRIR measurements