The Line 6 Spider III 15 is a 15 watt solid state guitar amplifier with built-in amp and effects modeling. It has an 8-inch speaker. The amp is a discontinued model.

Spider® III 15 Features

• 4 Essential Amp Models (Clean, Crunch, Metal, Insane)
• 6 Smart Control FX Effects (2 simultaneous) including phaser, Chorus/Flanger, Tremolo, Sweep Echo, Tape Echo, and Reverb
• 4 User-programmable channels
• CD/MP3 input jack
• Headphone/Direct Out for practice or recording
• Custom 8-inch Speaker
• 15-Watt Mono
• Dimensions: 15.5L x 14.5H x 8.25D