These are currently the top 10 best-selling Line 6 Spider Guitar Amplifiers at Musicians Friend.

1. Line 6 Spider III 15 15W 1×8 Guitar Combo Amp
2. Line 6 Spider III 75 75W 1×12 Guitar Combo Amp
3. Line 6 Spider III 150 75Wx2 2×12 Stereo Guitar Combo Amp
4. Line 6 Spider Jam 75W 1×12 Guitar Combo Amp
5. Line 6 Spider III 30 30W 1×12 Guitar Combo Amp
6. Line 6 Spider III 120 60Wx2 2×10 Stereo Guitar Combo Amp
7. Line 6 Spider Valve HD100 100W Guitar Amp Head
8. Line 6 Spider III HD150 75Wx2 Guitar Amp Head
9. Line 6 Spider III HD75 75W Guitar Amp Head
10. Line 6 Spider Valve 212 40W Guitar Combo Amp

Check out the Best Selling Musical Instruments Archive.
Search for Line 6 Amplifiers on eBay.