Hello onlinejames,
Starting on Page 91 from the HP Pavilion dv6 Notebook PC Maintenance and Service Guide will show you how to remove and replace the speaker(s) in your HP Pavilion dv6-6c35tx Entertainment Notebook PC.
Speaker Kit (includes left and right speakers and cable).
Spare part number: 665340-001
If you have any issues with finding/ordering the part needed, follow this link: http://partsurfer.hp.com/ContactUs.aspx
Best regards,